| Carries | Crosses | Location | Design | Status | Year Built | Year Recon. | Span Len. | Total Len. | Condition | Suff. Rating | ID | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NBI report | SPARTAN ROAD | TRIBUTARY TO JAMES CREEK | .1 MI N OF MD-108 | Steel Culvert | -- | -- | -- | 12.1 | 24.0 | Fair | 99.6 | 200000M-0285030 |
| NBI report Bridgehunter | MACARTHUR BLVD. | CABIN JOHN CREEK | 1.5 MI. E. OF I-495 | Masonry Arch - Deck | NR listed | 1863 | 2001 | 219.8 | 449.8 | Fair | 78.2 | CEPNABMD-000001 |
| NBI report Bridgehunter | KENSINGTON PARKWAY | ROCK CREEK | 0.2 MI S OF BEACH DRIVE | Steel Arch - Deck (4 spans) | -- | 1910 | -- | 24.0 | 103.0 | Fair | 82.0 | 200000M-0073010 |
| NBI report | BRIGHTON DAM ROAD | REDDY BRANCH | 0.9 MI E OF JCT SR 97 | Steel Stringer/Multi-beam or girder | -- | 1910 | 1975 | 24.9 | 27.9 | Fair | 64.9 | 200000M-0117010 |
| NBI report Bridgehunter | MONTEVIDEO ROAD | DRY SENECA CREEK | 1.1 M N OF RIVER RD | Steel Truss - Thru | -- | 1910 | 1989 | 49.9 | 50.9 | Good | 15.7 | 200000M-0030010 |
| NBI report Bridgehunter | BALTIMORE ROAD | ROCK CREEK | 0.5 MI S OF JCT SR 28 | Concrete Arch - Deck | -- | 1911 | -- | 59.1 | 59.1 | Fair | 64.8 | 200000M-0201010 |
| NBI report | RIVER ROAD | BROAD RUN | 0.3 MI E OF ELMER SCHOOL | Steel Stringer/Multi-beam or girder | -- | 1911 | 1992 | 28.9 | 32.5 | Fair | 64.7 | 200000M-0040010 |
| NBI report Bridgehunter | MD 115 | NORTH BR OF ROCK CREEK | 0.29 M E OF GRIST MILL DR | Concrete Arch - Deck | -- | 1917 | 1970 | 29.9 | 34.5 | Fair | 81.7 | 100000150016010 |
| NBI report Bridgehunter | TALBOT AVENUE | CSXT RAILROAD | 0.2 MI E OF MICHIGAN AVE | Steel Girder and floorbeam system (3 spans) | Closed | 1918 | 1995 | 58.1 | 105.0 | Poor | 11.3 | 200000M-0085010 |
| NBI report | BIG WOODS ROAD | LITTLE MONOCACY RIVER | 0.6 MI S OF JCT SR 28 | Steel Stringer/Multi-beam or girder | -- | 1919 | 1972 | 56.1 | 62.0 | Fair | 84.2 | 200000M-0044010 |
| NBI report Bridgehunter | GRIFFITH ROAD | HAWLINGS RIVER | 1 MI W OF JCT SR 650 | Concrete Arch - Deck | -- | 1920 | -- | 23.0 | 24.9 | Fair | 48.0 | 200000M-0120010 |
| NBI report | RANNOCH ROAD | MINNEHAHA BRANCH | 0.05 MILES WEST OF MD 614 | Concrete Culvert | -- | 1920 | -- | 9.8 | 21.0 | Fair | 86.9 | 200000M-0152020 |
| NBI report | MD 320 | SLIGO CREEK | 0.69 MILE SOUTH OF MD 193 | Concrete Tee beam (2 spans) | -- | 1920 | 1933 | 20.0 | 44.9 | Fair | 57.2 | 100000150051010 |
| NBI report Bridgehunter | US 29 | NORTHWEST BRANCH | 0.27 M S OF LOCKWOOD DR | Concrete Arch - Deck | -- | 1920 | 1961 | 47.9 | 51.5 | Fair | 69.0 | 100000150009010 |
| NBI report | HUNTMASTER ROAD | GOSHEN BRANCH | 0.2 MI NORTH OF BRINK RD | Steel Stringer/Multi-beam or girder | -- | 1920 | 1974 | 59.1 | 61.0 | Fair | 92.5 | 200000M-0141010 |
| NBI report | BRIGHTON DAM ROAD | HAWLINGS RIVER | 0.9 MI W OF JCT SR MD 650 | Steel Stringer/Multi-beam or girder | -- | 1920 | 1975 | 27.9 | 34.1 | Fair | 61.9 | 200000M-0108010 |
| NBI report | PARTNERSHIP RD | RUSSELL BRANCH | 1.2 MI S OF JCT SR 107 | Steel Stringer/Multi-beam or girder | -- | 1920 | 1976 | 23.0 | 25.9 | Fair | 67.8 | 200000M-0037010 |
| NBI report | SOUTHLAWN LANE | ROCK CREEK | 0.25 MI W OF AVERY RD | Steel Stringer/Multi-beam or girder | -- | 1920 | 2002 | 29.9 | 32.5 | Fair | 62.1 | 200000M-0050010 |
| NBI report | MD 355 | LITTLE SENECA CREEK | 1.44 MILES NORTH OF MD 27 | Concrete Tee beam | -- | 1922 | -- | 24.9 | 27.9 | Fair | 73.2 | 100000150054010 |
| NBI report | MD 28 | LITTLE MONOCACY RIVER | 1.86 MILES E OF FRED CO | Concrete Tee beam | NR possible | 1925 | -- | 36.1 | 40.0 | Fair | 64.2 | 100000150001010 |
| NBI report | MD 355 | LITTLE BENNETT CREEK | 0.10 MILE SOUTH OF MD 109 | Concrete Tee beam | -- | 1925 | -- | 40.0 | 44.0 | Poor | 43.1 | 100000150053010 |
| NBI report | SCHAEFFER ROAD | LITTLE SENECA CREEK | 0.5 MI E MD RTE 121 | Steel Stringer/Multi-beam or girder | -- | 1925 | -- | 39.0 | 48.9 | Poor | 50.3 | 200000M-0137010 |
| NBI report | WHITE GROUND ROAD | TRIBUTARY OF SENECA CREE | .4 MI N OF MD 28 | Concrete Slab | -- | 1925 | -- | 4.9 | 28.9 | Fair | 65.3 | 200000M-0299010 |
| NBI report | MARTINSBURG ROAD | POTOMAC RIVER TRIBUTARY | 1.2 MI N OF WHITES FERRY | Steel Stringer/Multi-beam or girder | -- | 1925 | 1953 | 24.9 | 27.9 | Fair | 87.2 | 200000M-0042010 |
| NBI report | HARRIS ROAD WEST | LITTLE MONOCACY RIVER | 0.7 MI S OF MT EPHRAM RD | Steel Stringer/Multi-beam or girder | -- | 1925 | 1992 | 24.9 | 26.9 | Fair | 62.4 | 200000M-0046010 |
| NBI report | SNOUFFER SCHOOL RD | CABIN BRANCH | 0.1 MI N OF CENTERWAY RD | Slab | -- | 1925 | 2001 | 25.9 | 29.5 | Fair | 70.1 | 200000M-0065010 |
| NBI report | BARNES ROAD | BENNETT CREEK | 0.1 MI N OF CLARKSBURG RD | Steel Stringer/Multi-beam or girder | -- | 1925 | 2004 | 34.1 | 38.4 | Fair | 66.0 | 200000M-0008010 |
| NBI report Bridgehunter | HAVILAND MILL ROAD | HAWLINGS RIVER | 0.8 MI EAST OF MD 650 | Concrete Arch - Deck | -- | 1926 | -- | 40.0 | 40.0 | Fair | 67.1 | 200000M-0098010 |
| NBI report | MD 97 | REDDY BRANCH | 2.89 MILES S OF MD 650 | Concrete Tee beam | -- | 1927 | -- | 24.0 | 26.9 | Fair | 53.4 | 100000150012010 |
| NBI report Bridgehunter | MD 108 | PATUXENT RIVER | ON HOWARD CO LINE | Concrete Arch - Deck | NR possible | 1928 | -- | 85.0 | 85.0 | Fair | 54.0 | 100000150008010 |
| NBI report | MD 410 | BRANCH OF ROCK CREEK | 0.34 MILE WEST OF MD 390 | Concrete Slab | -- | 1929 | -- | 24.0 | 27.9 | Fair | 56.0 | 100000150060010 |
| NBI report | MD 650 | HAWLINGS RIVER | 1.88 MILES N OF MD 108 | Concrete Tee beam | NR possible | 1929 | -- | 40.0 | 44.0 | Fair | 77.7 | 100000150017010 |
| NBI report | FLOWER AVENUE | SLIGO CREEK | 0.28 MI SE OF MONT CO | Steel Stringer/Multi-beam or girder | -- | 1930 | -- | 33.1 | 35.8 | Fair | 40.8 | 200000M-T-02010 |
| NBI report | MAPLE AVENUE | SLIGO CREEK | 0.5 MI N OF JCT SR 410 | Concrete Slab (2 spans) | -- | 1930 | -- | 20.0 | 45.6 | Fair | 53.7 | 200000M-T-01010 |
| NBI report | MD 97 | HAWLINGS RIVER | 0.88 MILE SOUTH OF MD 650 | Concrete Tee beam | NR possible | 1930 | -- | 29.9 | 33.1 | Fair | 55.5 | 100000150011010 |
| NBI report Bridgehunter | ZION ROAD | HAWLINGS RIVER | 2.8 MILES NORTH OF MD 108 | Concrete Arch - Deck | -- | 1930 | -- | 22.0 | 22.0 | Poor | 40.0 | 200000M-0121010 |
| NBI report | CLUB HOLLOW ROAD | BROAD RUN | 0.2 MI W OF EDWARDS FERRY | Steel Stringer/Multi-beam or girder | -- | 1930 | 1982 | 25.9 | 28.9 | Fair | 68.7 | 200000M-0041010 |
| NBI report | GOSHEN ROAD | WHETSTONE RUN TRIBUTARY | .25 MI N OF MIDCOUNTY HWY | Steel Stringer/Multi-beam or girder | -- | 1930 | 1992 | 22.0 | 24.0 | Fair | 54.0 | 200000M-0060010 |
| NBI report | BERRYVILLE RD | SENECA CREEK TRIB | 1 MI N OF JCT SR 112 | Steel Stringer/Multi-beam or girder | -- | 1930 | 1996 | 27.9 | 33.1 | Fair | 62.4 | 200000M-0028010 |
| NBI report | GLEN ROAD | WATTS BRANCH | 1.5 MI W OF JCT SR 189 | Steel Stringer/Multi-beam or girder | -- | 1930 | 1998 | 37.1 | 40.4 | Fair | 59.1 | 200000M-0014010 |
| NBI report | MD 182 | BATCHELLOR'S RUN | 0.391 MILE SOUTH OF MD 28 | Concrete Tee beam | -- | 1931 | -- | 25.9 | 28.9 | Fair | 79.2 | 100000150023010 |
| NBI report | MD 182 | BUCKHORN BR | 1.345 M S OF MD 28 | Concrete Slab | -- | 1931 | -- | 20.0 | 23.0 | Fair | 79.2 | 100000150024010 |
| NBI report | PARK VALLEY ROAD | SLIGO CREEK | AT SLIGO CR PKWY | Concrete Tee beam | -- | 1931 | -- | 29.9 | 30.8 | Poor | 48.6 | 200000M-PK03010 |
| NBI report | WHITES FERRY ROAD | BROAD RUN | 3 MILES WEST OF MD 109 | Concrete Slab (2 spans) | -- | 1931 | -- | 16.1 | 40.4 | Fair | 74.6 | 200000M-0186010 |
| NBI report | MD 396 | LITTLE FALLS BRANCH | 0.69 MILE WEST OF WASH DC | Prestressed Slab | -- | 1931 | 1973 | 27.9 | 29.9 | Fair | 91.2 | 100000150057010 |
| NBI report | MD 118 | GREAT SENECA CREEK | 1.3 MILES NORTH OF MD 28 | Steel Stringer/Multi-beam or girder | -- | 1931 | 1993 | 85.0 | 89.9 | Fair | 96.5 | 100000150020010 |
| NBI report | MD 117 | BUCKLODGE BRANCH | 3.12 MILES NORTH OF MD 28 | Concrete Slab (2 spans) | NR possible | 1932 | -- | 14.1 | 33.1 | Fair | 62.7 | 100000150018010 |
| NBI report | MD 547 | ROCK CREEK | 0.66 MILE WEST OF MD 185 | Concrete Tee beam | NR possible | 1932 | -- | 47.9 | 52.2 | Fair | 62.5 | 100000150062010 |
| NBI report | MD 193 | SLIGO CREEK | 1.26 MILES EAST OF MD 97 | Concrete Culvert (2 spans) | -- | 1932 | 1961 | 11.2 | 24.9 | Fair | 86.3 | 100000150032010 |
| NBI report Bridgehunter | MD 195 | SLIGO CR PKWY & SLIGO CR | 0.5 MILE NORTH OF MD 410 | Concrete Arch - Deck (3 spans) | NR possible | 1932 | 2017 | 89.9 | 226.1 | Good | 95.3 | 100000150033010 |
| NBI report | WEST OLD BALTIMORE | LITTLE SENECA CREEK | 1.0 MILES WEST OF MD 355 | Steel Stringer/Multi-beam or girder | -- | 1934 | 1972 | 57.1 | 63.0 | Fair | 70.5 | 200000M-0001010 |
| NBI report | GLEN ROAD | PINEY BRANCH | 0.6 MI W OF GLEN MILL RD | Concrete Tee beam | -- | 1935 | -- | 22.0 | 25.9 | Fair | 27.2 | 200000M-0015010 |
| NBI report | WILDCAT ROAD | WILDCAT BRANCH | 2.4 MI SW OF MD 124 | Steel Stringer/Multi-beam or girder | -- | 1935 | 2006 | 24.9 | 32.2 | Fair | 66.8 | 200000M-0068010 |
| NBI report | MD 650 | SLIGO CREEK | 0.43 MILE NORTH OF MD 410 | Steel Stringer/Multi-beam or girder | -- | 1935 | 2014 | 60.0 | 65.0 | Fair | 94.8 | 100000150013010 |
| NBI report | BRINK ROAD | GREAT SENECA CREEK | 2.1 MILES EAST OF MD 27 | Steel Stringer/Multi-beam or girder | -- | 1936 | 1972 | 58.1 | 64.0 | Poor | 39.1 | 200000M-0064010 |
| NBI report | US 29 | SLIGO CREEK | 0.14 M S OF FRANKLIN AVE | Concrete Slab | -- | 1936 | 1972 | 20.0 | 23.0 | Fair | 68.1 | 100000150010010 |
| NBI report | MD 185 | CSX TRANS. | 0.10 MILE NORTH OF MD 547 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1936 | 1991 | 37.1 | 116.1 | Fair | 89.8 | 100000150031010 |
| NBI report | BARNESVILLE ROAD | LITTLE MONOCACY RIVER | 0.6 MI E OF MT EPHRAIM RD | Concrete Tee beam | -- | 1940 | -- | 44.9 | 49.9 | Fair | 68.5 | 200000M-0045010 |
| NBI report Bridgehunter | KENSINGTON PARKWAY | SILVER CREEK | 0.5 MI EAST OF MD 193 | Steel Arch - Deck | -- | 1940 | -- | 20.0 | 20.0 | Fair | 94.6 | 200000M-K-03010 |
| NBI report Bridgehunter | KENT STREET | SILVER CREEK | 0.1 MI E KENSINGTON PKWY | Steel Arch - Deck | -- | 1940 | -- | 20.0 | 20.0 | Fair | 64.5 | 200000M-K-04010 |
| NBI report | GLEN ROAD | KILGOUR BRANCH | 1.5 MI WEST OF MD 189 | Steel Stringer/Multi-beam or girder | -- | 1942 | 1992 | 26.9 | 28.2 | Fair | 45.0 | 200000M-0013010 |
| NBI report | BRIGHTON DAM ROAD | BRIGHTON DAM & TRIADELPH | 1 MILE EAST OF MD 650 | Prestressed Slab (15 spans) | -- | 1944 | 1999 | 40.0 | 602.1 | Fair | 77.2 | 200000M-0229010 |
| NBI report | EAST DEER PARK DRI | CSXT RAILROAD | 0.6 MILES EAST OF MD 355 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1945 | 2014 | 36.1 | 85.0 | Fair | 74.1 | 200000M-0132010 |
| NBI report | PEDESTRIAN | US 29 | 0.06 MI S OF SLIGO AVE | Steel Girder and floorbeam system | -- | 1948 | -- | 77.1 | -- | -- | -- | 100000150078130 |
| NBI report | GREENTREE ROAD | BULLS RUN | 0.5 MI E OF JCT SR 191 | Concrete Culvert | -- | 1949 | -- | 12.1 | 24.9 | Poor | 48.4 | 200000M-0180020 |
| NBI report | MD 190 | WATTS BRANCH | 3.42 MILES WEST OF MD 189 | Steel Culvert | -- | 1949 | -- | 24.9 | 53.2 | Fair | 94.3 | 100000150098010 |
| NBI report Bridgehunter | JONES MILL ROAD | COQUELIN RUN | 0.5 MILES NORTH OF MD 410 | Steel Culvert (2 spans) | -- | 1949 | 2000 | 13.1 | 36.7 | Fair | 84.1 | 200000M-0165030 |
| NBI report | EDWARDS FERRY ROAD | C&O CANAL | 0.1 miles north of Potoma | Steel Stringer/Multi-beam or girder | -- | 1950 | 1989 | 14.1 | 20.3 | Poor | 31.2 | 3100001P0000000 |
| NBI report | IS 270 NB | MD 109, LITTLE BENNETT C | 0.22 MI S OF FREDERICK CO | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1950 | 2001 | 54.1 | 168.0 | Good | 85.4 | 100000150036011 |
| NBI report | IS 270 SB | MD 109, LITTLE BENNETT C | 0.22 MI S OF FREDERICK CO | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1950 | 2001 | 54.1 | 168.0 | Good | 85.4 | 100000150036012 |
| NBI report | PARKLAWN ENTRANCE | ROCK CREEK | RT 28 SOUTH OF ROCKVILLE | Steel Stringer/Multi-beam or girder | -- | 1950 | 2002 | 36.1 | 40.0 | Poor | 39.5 | 200000M-PK17010 |
| NBI report | STOKES ROAD | STONEY CREEK | 50M EAST OF E PALMER RD | Prestressed Tee beam | -- | 1950 | 2011 | 21.3 | 23.3 | Fair | 72.6 | 1MD0180 |
| NBI report | MD 117 | GREAT SENECA CREEK | 1.82 MILES EAST OF MD 118 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1951 | -- | 40.0 | 107.9 | Fair | 68.5 | 100000150093010 |
| NBI report | MD 117 | GUNNERS BRANCH | 1.21 MILES EAST OF MD 118 | Concrete Culvert | -- | 1951 | -- | 12.1 | 24.9 | Fair | 78.9 | 100000150094020 |
| NBI report | RANDOLPH ROAD (WB) | ROCK CREEK | 0.6 MILES WEST OF MD 586 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1951 | 1993 | 40.0 | 82.0 | Fair | 75.4 | 200000M-0080014 |
| NBI report | MD 109 | LITTLE BENNETT CREEK | UNDER IS 270 OVERPASS | Steel Stringer/Multi-beam or girder | -- | 1951 | 2009 | 60.0 | 65.0 | Fair | 93.5 | 100000150099010 |
| NBI report | IS 270 NBR | BR OF LITTLE BENNETT CRK | 0.32 MILE SOUTH OF MD 109 | Concrete Culvert | -- | 1952 | -- | 12.1 | 27.9 | Fair | 89.1 | 100000150072020 |
| NBI report | RIFFLE FORD ROAD | GREAT SENECA CREEK | 1.8 MILES EAST OF MD 118 | Steel Stringer/Multi-beam or girder | -- | 1952 | 1971 | 50.9 | 55.1 | Fair | 82.5 | 200000M-0140010 |
| NBI report | COMUS ROAD | IS 270 | 1.3 MI N OF MD 121 | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1952 | 1976 | 66.9 | 215.9 | Fair | 81.6 | 100000150037010 |
| NBI report | RANDOLPH ROAD (EB) | ROCK CREEK | 1.5 MILES EAST OF MD 355 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1953 | 1966 | 40.0 | 82.0 | Fair | 60.6 | 200000M-0080013 |
| NBI report | MD 117 | LITTLE SENECA CREEK | 1.03 MILES EAST OF MD 121 | Steel Culvert (2 spans) | -- | 1953 | 1972 | 26.9 | 57.1 | Fair | 77.6 | 100000150095030 |
| NBI report | IS 270 | LITTLE SENECA CREEK | 1.84MILES S OF MD 118 | Concrete Culvert | -- | 1954 | -- | 20.0 | 42.0 | Fair | 70.0 | 100000150040020 |
| NBI report | MD 28 | BR OF DRY SENECA CREEK | 0.98 MILE WEST OF MD 117 | Concrete Culvert | -- | 1954 | -- | 20.0 | 23.0 | Fair | 79.5 | 100000150066020 |
| NBI report | MD 118 | IS 270 | 0.33 M N OF AIRCRAFR DR | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1954 | 1982 | 159.1 | 319.9 | Good | 83.0 | 100000150041010 |
| NBI report | US 29 | PATUXENT RIVER | ON HOWARD CO LINE | Steel Girder and floorbeam system (4 spans) | -- | 1954 | 1984 | 140.1 | 524.0 | Fair | 65.6 | 100000150034010 |
| NBI report | MD 586 | ROCK CREEK | 1.68 MILES EAST OF MD 28 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1954 | 1986 | 47.9 | 104.0 | Fair | 84.0 | 100000150063010 |
| NBI report | IS 270 | MD 117 | 0.62 MILE SOUTH OF MD 124 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1954 | 1987 | 55.1 | 123.0 | Fair | 81.0 | 100000150045010 |
| NBI report | MD 190 | MUDDY BRANCH | 0.98 M E OF PETTIT WAY | Steel Stringer/Multi-beam or girder | -- | 1954 | 1987 | 46.9 | 49.9 | Fair | 81.7 | 100000150007010 |
| NBI report | IS 270 | GR SENECA CR & GAME PRE | 1.17 MILES N OF MD 124 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1954 | 1989 | 85.0 | 231.0 | Fair | 80.0 | 100000150043010 |
| NBI report | IS 270 | WEST OLD BALTIMORE RD | 1.28 MILES S OF MD 121 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1954 | 1998 | 38.1 | 105.0 | Fair | 78.0 | 100000150039010 |
| NBI report | MD 28 & RAMP 6 | WATTS BRANCH | 0.18 MILE WEST OF IS 270 | Concrete Culvert | -- | 1955 | -- | 24.9 | 24.9 | Fair | 70.0 | 100000150005020 |
| NBI report | MD 586 | TURKEY BRANCH | 0.98 MILE WEST OF MD 185 | Concrete Culvert | -- | 1955 | -- | 24.9 | 53.2 | Fair | 70.0 | 100000150075020 |
| NBI report | NELSON STREET | WATTS BRANCH | 0.5 MILES NORTH OF MD 28 | Concrete Culvert | -- | 1955 | -- | 24.9 | 30.8 | Fair | 98.8 | 200000M-R-07020 |
| NBI report | BEL PRE ROAD | BEL PRE CREEK | 0.5 MILES WEST OF MD 182 | Steel Stringer/Multi-beam or girder | -- | 1955 | 1969 | 20.0 | 26.9 | Poor | 49.0 | 200000M-0092010 |
| NBI report | MD 28 | IS 270 & C-D ROADS | 0.96 MILE NORTH OF MD 189 | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1955 | 1985 | 81.0 | 296.9 | Fair | 73.1 | 100000150048010 |
| NBI report | IS 270 & CD RDS | WATTS BRANCH | 0.21 MILE NORTH OF MD 28 | Concrete Culvert | -- | 1955 | 1988 | 24.9 | 27.9 | Fair | 70.0 | 100000150064020 |
| NBI report | IS 270 | MD 124 | 0.62 MILE NORTH OF MD 117 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1955 | 1991 | 86.0 | 173.9 | Fair | 85.0 | 100000150044010 |
| NBI report | MD 586 | BRANCH OF ROCK CREEK | 0.06 M E OF ANDREW STREET | Steel Culvert | -- | 1956 | -- | 21.0 | 21.0 | Fair | 80.7 | 100000150165030 |
| NBI report | INWOOD AVENUE | TRIBUTARY TO SLIGO CREEK | AT FOLK STREET | Steel Stringer/Multi-beam or girder | -- | 1956 | 2006 | 41.0 | 42.0 | Good | 83.4 | 200000M-0139010 |
| NBI report | US 29 | MD 650 | 0.35 M S OF STEWART LANE | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1957 | 1984 | 60.0 | 205.1 | Fair | 76.7 | 100000150067010 |
| NBI report | MD 185 | ROCK CREEK | 0.13 MILE NORTH OF IS 495 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1957 | 1986 | 65.0 | 174.9 | Fair | 93.8 | 100000150030010 |
| NBI report Bridgehunter | US 29 NB | PAINT BRANCH | 0.87 MILE NORTH OF MD 650 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1957 | 1990 | 140.1 | 365.2 | Fair | 92.0 | 100000150076011 |
| NBI report | US 29 SB | PAINT BRANCH | 0.87 MILE NORTH OF MD 650 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1957 | 1990 | 140.1 | 365.2 | Fair | 92.0 | 100000150076012 |
| NBI report | LITTLE FALLS PARKW | WILLET BRANCH | 0.1 MI S OF HILLANDALE RD | Concrete Culvert | -- | 1958 | -- | 19.0 | 24.0 | Fair | 69.0 | 200000M-PK02020 |
| NBI report | IS 495 | BR OF ROCK CREEK | 0.6 MILE EAST OF MD 355 | Steel Culvert | -- | 1958 | 1964 | 8.9 | 22.0 | Fair | 70.0 | 100000150141030 |
| NBI report | IS 270 | OLD FARM CREEK | 0.13 MILE N OF IS 270Y | Concrete Culvert | -- | 1958 | 1988 | 20.0 | 21.0 | Fair | 70.0 | 100000150080020 |
| NBI report | IS 270 | TUCKERMAN LANE | 0.08 MILE N OF IS 270Y | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1958 | 1990 | 45.9 | 103.0 | Fair | 84.0 | 100000150081010 |
| NBI report | IS 270 RAMP C | IS 270Y RAMPS B & B3 | 0.85 MILE NORTH OF MD 187 | Steel Stringer/Multi-beam or girder | -- | 1958 | 1990 | 120.1 | 298.9 | Fair | 81.0 | 100000150082010 |
| NBI report | IS 495 | MD 97 | 0.62 M E OF SEMINARY ROAD | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1958 | 2002 | 63.0 | 198.2 | Good | 80.0 | 100000150130010 |
| NBI report | LITTLE FALLS PARKW | WILLET BRANCH | 0.1 MI N DORSET AVE | Prestressed Box beam or girders - Multiple | -- | 1958 | 2005 | 45.9 | 48.9 | Good | 80.9 | 200000M-PK01011 |
| NBI report | GROSVENOR LANE | IS 270 | 0.27 MILE NORTH OF I-495 | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1958 | 2008 | 78.1 | 274.9 | Fair | 79.7 | 100000150077010 |
| NBI report | MD 355 NB | IS 495 OL | 0.07 MILE NORTH OF IS 495 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1958 | 2008 | 122.1 | 264.1 | Good | 62.0 | 100000150119010 |
| NBI report | GOLD MINE ROAD | HAWLINGS RIVER | 0.4 MILES WEST OF MD 650 | Steel Stringer/Multi-beam or girder | Closed | 1958 | 2009 | 29.9 | 33.1 | Fair | 38.6 | 200000M-0096010 |
| NBI report | MD 193 | IS 495 | 0.59 MILE EAST OF US 29 | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1958 | 2016 | 101.1 | 298.9 | Good | 68.5 | 100000150136010 |
| NBI report | BOWIE MILL ROAD | ROCK CREEK NORTH BRANCH | 1.8 MI NE OF MD 115 | Steel Stringer/Multi-beam or girder | -- | 1959 | -- | 39.0 | 42.0 | Fair | 78.9 | 200000M-0069010 |
| NBI report | CSX TRANSPORTATION | IS 495 | 0.69 MILE WEST OF MD 97 | Steel Girder and floorbeam system | -- | 1959 | -- | 110.9 | -- | -- | -- | 100000150128140 |
| NBI report | CO 141 & RAMP N(6) | GUNNERS BRANCH | 0.1 MILE WEST OF IS 270 | Steel Culvert (2 spans) | -- | 1959 | 1991 | 13.1 | 28.9 | Good | 79.2 | 100000150184030 |
| NBI report | MD 390 | CSX TRANSPORTATION | 0.45 MI N OF MD 410 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1959 | 2001 | 103.0 | 195.9 | Fair | 89.4 | 100000150089010 |
| NBI report | RIVER ROAD | SENECA CREEK | 0.5 MI W OF SENECA ROAD | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1959 | 2001 | 42.0 | 126.0 | Fair | 66.6 | 200000M-0027010 |
| NBI report | IS 495 | SLIGO CREEK PARKWAY | 0.604 MILE EAST OF MD 97 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1959 | 2002 | 48.9 | 112.9 | Fair | 85.0 | 100000150133010 |
| NBI report | IS 495 | BRUNETT AVENUE | 0.297 MILE WEST OF US 29 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1959 | 2002 | 67.9 | 143.1 | Fair | 83.0 | 100000150134010 |
| NBI report | US 29 | IS 495 | 0.34 MILE SOUTH OF MD 193 | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1959 | 2004 | 81.0 | 254.9 | Good | 79.8 | 100000150135010 |
| NBI report Bridgehunter | CEDAR LANE | ROCK CREEK | AT BEACH DRIVE | Prestressed Slab (4 spans) | -- | 1959 | 2011 | 41.0 | 171.9 | Good | 74.1 | 200000M-0074010 |
| NBI report | IS 495 | SLIGO CREEK | 0.55 MILE EAST OF MD 97 | Concrete Culvert | -- | 1960 | -- | 14.1 | 33.1 | Fair | 70.0 | 100000150132020 |
| NBI report | MD 355 SB | IS 495 OL | 0.07 MILE NORTH OF IS 495 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1960 | -- | 119.1 | 326.1 | Fair | 78.4 | 100000150118010 |
| NBI report | MD 355 SB | IS 495 IL | 1.31 MILES S OF MD 547 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1960 | -- | 138.1 | 294.0 | Fair | 64.8 | 100000150120010 |
| NBI report | VALLEYWOOD DRIVE | JOSEPH'S BRANCH | 0.5 MI. EAST OF ROUTE 185 | Prestressed Channel beam | -- | 1960 | -- | 42.0 | 42.0 | Fair | 65.9 | 200000M-0354010 |
| NBI report | MD 355 NB | IS 495 IL | 1.31 MILES S OF MD 547 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1960 | 1983 | 124.0 | 232.0 | Fair | 62.0 | 100000150121010 |
| NBI report | SEVEN LOCKS ROAD | CABIN JOHN CREEK | .1 MI S OF DEMOCRACY BLVD | Concrete Culvert (3 spans) | -- | 1960 | 1992 | 14.1 | 44.9 | Fair | 80.6 | 200000M-0143020 |
| NBI report | MD 355 SB | MD 355 RAMP 1 | 0.1 MILE N OF IS 495 WBL | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1960 | 1998 | 49.9 | 139.1 | Fair | 60.0 | 100000150117010 |
| NBI report | GLEN MILL ROAD | PINEY BRANCH | 0.6 MI N OF GLEN RD. | Steel Stringer/Multi-beam or girder | -- | 1960 | 2002 | 26.9 | 28.9 | Fair | 90.7 | 200000M-0016010 |
| NBI report | WAYNE AVENUE | SLIGO CREEK | AT MANCHESTER AVENUE | Prestressed Box beam or girders - Multiple (2 spans) | -- | 1960 | 2004 | 36.1 | 75.1 | Fair | 75.1 | 200000M-0162010 |
| NBI report | CLARA BARTON PARKW | RIVERSIDE AVENUE | 0.7 MILES SOUTH OF I-495; | Concrete Frame | -- | 1961 | -- | 28.2 | 28.2 | Fair | 92.5 | 3300031P0000000 |
| NBI report | DENNIS AVENUE | SLIGO CREEK TRIBUTARY | 0.32 MI E OF JCT SR 97 | Prestressed Slab | -- | 1961 | -- | 29.9 | 34.1 | Fair | 78.9 | 200000M-0194010 |
| NBI report Bridgehunter | FUTURE ALIGNMENT | CLARA BARTON PARKWAY (NB | 2.5 MILES SOUTH OF I-495. | Concrete Frame (3 spans) | -- | 1961 | -- | 77.1 | 216.9 | Good | 78.3 | 3300034P0000000 |
| NBI report | HAWKINS CREAMERY R | GREAT SENECA CREEK | 1.3 MILES WEST OF MD 108 | Steel Stringer/Multi-beam or girder | -- | 1961 | 1992 | 28.9 | 30.8 | Fair | 96.7 | 200000M-0129010 |
| NBI report | CLARA BARTON PARKW | LITTLE FALLS BRANCH | 4.5 MILES SOUTH OF I-495. | Prestressed Stringer/Multi-beam or girder | -- | 1961 | 1993 | 51.8 | 59.4 | Fair | 92.4 | 3300037P0000000 |
| NBI report | GREENWAY DRIVE | LITTLE FALLS BRANCH | 0.1 MI SOUTH OF MD 190 | Concrete Slab (2 spans) | -- | 1962 | -- | 13.1 | 26.9 | Fair | 69.3 | 200000M-0116010 |
| NBI report | MD 190 | BOOZE CREEK | 0.56 MILE EAST OF IS 495 | Concrete Culvert | -- | 1962 | -- | 13.1 | 40.4 | Fair | 72.4 | 100000150028020 |
| NBI report | MD 190 | LITTLE FALLS | 0.44 MI W OF WASH DC | Concrete Culvert | -- | 1962 | -- | 7.9 | 25.9 | Good | 81.2 | 100000150071020 |
| NBI report | MD 190 | IS 495 | 1.19 MILES WEST OF MD 188 | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1962 | 1970 | 86.0 | 314.0 | Fair | 83.6 | 100000150110010 |
| NBI report | PERSIMMON TREE RD | IS 495 | 0.06 MI S OF MD 996 | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1962 | 1970 | 75.1 | 223.1 | Fair | 67.3 | 100000150105010 |
| NBI report | FERNWOOD RD | IS 495 | @ IS 495 | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1962 | 1971 | 65.9 | 207.0 | Fair | 71.0 | 100000150114010 |
| NBI report | GREENTREE RD | IS 495 | @ IS 495 | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1962 | 1971 | 74.2 | 237.9 | Fair | 78.4 | 100000150113010 |
| NBI report | MD 191 | IS 495 & THOMAS BRANCH | 1.9 MILES NORTH OF MD 190 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1962 | 1971 | 107.9 | 342.9 | Fair | 69.8 | 100000150111010 |
| NBI report | IS 495 | SEVEN LOCKS RD | 0.59 MILE EAST OF MD 190 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1962 | 1990 | 74.2 | 154.9 | Fair | 80.0 | 100000150106010 |
| NBI report | CARDEROCK ACCESS C | CLARA BARTON PARKWAY | 0.7 MILES WEST OF MACARTH | Prestressed Stringer/Multi-beam or girder | -- | 1962 | 1991 | 110.9 | 117.8 | Fair | 70.2 | 3300030P0000000 |
| NBI report | ERICSSON ROAD | CLARA BARTON PARKWAY | 1.3 MILES SOUTH OF I-495. | Prestressed Stringer/Multi-beam or girder | -- | 1962 | 1991 | 120.1 | 120.1 | Fair | 70.2 | 3300032P0000000 |
| NBI report | IS 495 & RAMP K(4) | IS 495X & C J CR | 0.49 MILE WEST OF MD 190 | Steel Stringer/Multi-beam or girder (5 spans) | -- | 1962 | 1991 | 83.0 | 354.0 | Fair | 81.0 | 100000150108010 |
| NBI report | BEACH DRIVE | ROCK CREEK | 1.3 MI SOUTH OF MD 547 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1962 | 1995 | 64.0 | 153.9 | Fair | 75.9 | 200000M-PK09010 |
| NBI report | CLARA BARTON PKWY | ROCK RUN | W OF INTERCHANGE | Concrete Culvert | -- | 1963 | -- | 9.8 | 509.9 | Fair | 80.5 | 100000150102020 |
| NBI report | LITTLE FALLS PARKW | WILLET BRANCH | 0.1 MI N DORSET AVE | Prestressed Box beam or girders - Multiple | -- | 1963 | -- | 43.0 | 45.9 | Fair | 64.4 | 200000M-PK01012 |
| NBI report | MD 185 | BR OF ROCK CREEK | 0.14 MILE SOUTH OF MD 586 | Concrete Culvert | -- | 1963 | -- | 18.0 | 42.0 | Fair | 74.0 | 100000150052020 |
| NBI report | CLARA BARTON PARKW | CABIN JOHN CREEK & CABIN | 1.6 MILES SOUTH OF I-495. | Concrete Box beam or girders - Multiple (3 spans) | -- | 1963 | 1985 | 149.9 | 378.0 | Fair | 80.2 | 3300033P0000000 |
| NBI report Bridgehunter | IS 495 | POTOMAC RIVER | ON VIRGINIA LINE | Steel Girder and floorbeam system (8 spans) | -- | 1963 | 1986 | 279.9 | 1443.0 | Fair | 67.0 | 100000150100010 |
| NBI report | IS 495 SE RAMP | CLARA BARTON PKY & CANAL | 0.39 MI E OF VA LINE | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1963 | 1990 | 97.1 | 439.0 | Fair | 91.3 | 100000150142010 |
| NBI report | HOWARD CHAPEL ROAD | HAIGHTS BRANCH | 1.7 MI NORTH OF MD 650 | Steel Stringer/Multi-beam or girder | -- | 1963 | 1991 | 23.0 | 25.6 | Fair | 59.7 | 200000M-0123010 |
| NBI report | IS 495 | CLARA BARTON PKWY EBR | 0.34 MILE EAST OF VA LINE | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1963 | 1991 | 96.1 | 360.9 | Fair | 81.0 | 100000150101010 |
| NBI report | IS 495 | MACARTHUR BLVD, CB PKWY | 0.52 MILE EAST OF VA LINE | Steel Stringer/Multi-beam or girder (5 spans) | -- | 1963 | 1991 | 108.9 | 607.0 | Fair | 69.0 | 100000150104010 |
| NBI report | IS 495 NW RAMP | MACARTHUR BOULEVARD | 0.58 MI E OF VA LINE | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1963 | 1991 | 107.0 | 336.0 | Fair | 83.6 | 100000150143010 |
| NBI report | IS 495 | MD 650 | 0.28 MI W OF PG CO | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1963 | 1993 | 65.0 | 201.1 | Fair | 81.0 | 100000150138010 |
| NBI report | EAST RANDOLPH ROAD | PAINT BRANCH | 0.5 MI W OLD COLUMBIA PK | Prestressed Box beam or girders - Multiple (3 spans) | -- | 1963 | 1999 | 32.2 | 96.1 | Fair | 69.0 | 200000M-0090010 |
| NBI report | IS 495 RAMP | CLARA BARTON PKWY WBR | 0.55 MI W OF MD 191 | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1963 | 2008 | 73.2 | 220.2 | Fair | 93.3 | 100000150103010 |
| NBI report | BEACH DRIVE | SILVER CREEK | 0.4 MILES EAST OF MD 185 | Steel Arch - Deck (3 spans) | -- | 1964 | -- | 8.9 | 43.3 | Poor | 48.3 | 200000M-PK24010 |
| NBI report | IS 495X | BOOZE CREEK | 0.48 MILE SOUTH OF IS 495 | Concrete Culvert | -- | 1964 | -- | 14.1 | 46.9 | Fair | 77.4 | 100000150084020 |
| NBI report | KEMP MILL ROAD | TRIBUTARY TO NORTHWEST B | 200 FT S OF GLENALLAN AVE | Concrete Culvert | -- | 1964 | -- | 9.8 | 21.0 | Good | 96.3 | 200000M-0350020 |
| NBI report | IS 495X | CABIN JOHN CREEK | 0.22 MILE NORTH OF GV 6 | Steel Stringer/Multi-beam or girder (5 spans) | -- | 1964 | 1970 | 62.0 | 289.1 | Fair | 75.2 | 100000150085010 |
| NBI report | IS 495X NB | CABIN JOHN CREEK | 0.11 MILE NORTH OF GV 6 | Concrete Box beam or girders - Multiple (3 spans) | -- | 1964 | 1970 | 107.0 | 272.0 | Fair | 59.7 | 100000150087010 |
| NBI report | IS 495X SB | CABIN JOHN CREEK | 0.02 MILE SOUTH OF GV 6 | Concrete Box beam or girders - Multiple (3 spans) | -- | 1964 | 1970 | 104.0 | 253.0 | Fair | 80.0 | 100000150086010 |
| NBI report | FOREST GLEN ROAD | IS 495 | .86 W OF MD 97 | Steel Stringer/Multi-beam or girder (6 spans) | -- | 1964 | 1971 | 75.1 | 377.0 | Fair | 65.4 | 100000150127010 |
| NBI report | IS 495 RAMP 'E' | KENSINGTON PKWY | 0.19 MI E OF MD 185 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1964 | 1971 | 64.0 | 133.9 | Fair | 82.4 | 100000150125010 |
| NBI report | SEMINARY ROAD | IS 495 | 0.10 MI E OF MD 192 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1964 | 1971 | 112.9 | 356.0 | Poor | 77.1 | 100000150129010 |
| NBI report | IS 495 | CEDAR LANE | 0.65 MILE EAST OF MD 355 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1964 | 1990 | 54.1 | 107.0 | Fair | 67.0 | 100000150122010 |
| NBI report | IS 495 | MD 185 | 1.53 MILES WEST OF MD 355 | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1964 | 1990 | 66.9 | 226.1 | Fair | 80.0 | 100000150123010 |
| NBI report | IS 495 | KENSINGTON PKWY | 0.19 MILE EAST OF MD 185 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1964 | 1990 | 66.9 | 130.9 | Fair | 80.0 | 100000150124010 |
| NBI report | IS 495 | STONEY BROOK DR, ROCK CR | 0.97 MILE EAST OF MD 185 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1964 | 1990 | 144.0 | 379.0 | Fair | 68.3 | 100000150126010 |
| NBI report | IS 495 RAMP E(10) | CABIN JOHN CREEK | 0.12 MI W OF IS 495X | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1964 | 1991 | 77.1 | 294.0 | Fair | 93.6 | 100000150107010 |
| NBI report | TWINBROOK PARKWAY | CSXT RR & WMATA METRO | 0.24 MILES EAST OF MD 355 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1964 | 1998 | 81.0 | 165.0 | Fair | 70.0 | 200000M-0154010 |
| NBI report | IS 495 RAMP 'K'(4) | IS 495X NBR | 0.48 MI W OF MD 190 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1964 | 2006 | 84.0 | 205.1 | Good | 91.4 | 100000150109010 |
| NBI report | IS 495 RAMP 'F'(1) | IS 495 | 2.19 MILE NORTH OF MD 193 | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1964 | 2012 | 82.0 | 241.2 | Fair | 86.5 | 100000150139010 |
| NBI report | VALLEY ROAD | BOOZE CREEK | 40 FT E OF FALLEN OAK RD | Prestressed Slab | -- | 1964 | 2015 | 28.9 | 32.2 | Good | 99.0 | 200000M-0111010 |
| NBI report | BEACH DRIVE | ROCK CREEK TRIBUTARY | 0.81 MI N OF JCT SR 547 | Prestressed Box beam or girders - Multiple | -- | 1965 | -- | 42.0 | 44.9 | Fair | 67.4 | 200000M-PK05010 |
| NBI report | DAYTON STREET | TRIBUTARY TO SLIGO CREEK | 825 FEET EAST OF MD 97 | Concrete Tee beam | -- | 1965 | -- | 24.0 | 24.0 | Fair | 99.7 | 200000M-0347010 |
| NBI report | FAIRLAND ROAD | PAINT BRANCH | 1.5 MI WEST OF US 29 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1965 | -- | 58.1 | 124.0 | Fair | 72.0 | 200000M-0091010 |
| NBI report | LAURIE DRIVE | HOLLYWOOD BRANCH | 0.4 MI S JCT RANDLPH RD E | Steel Culvert | -- | 1965 | -- | 9.8 | 21.0 | Fair | 99.9 | 200000M-0256030 |
| NBI report | NEEDWOOD ROAD | ROCK CREEK | .6 MI W OF MUNCASTER MILL | Concrete Slab | -- | 1965 | -- | 29.9 | 33.1 | Fair | 96.8 | 200000M-0055010 |
| NBI report | QUINCE ORCHARD ROA | MUDDY BRANCH | 1.8 MILES SOUTH OF MD 28 | Steel Stringer/Multi-beam or girder | -- | 1965 | -- | 28.9 | 33.1 | Fair | 63.8 | 200000M-0023010 |
| NBI report | SEVEN LOCKS ROAD | CABIN JOHN CREEK TRIBUTA | 0.5 MI N. OF MD 191 | Steel Culvert | -- | 1965 | -- | 5.9 | 22.0 | Fair | 85.8 | 200000M-0432030 |
| NBI report | FALSTONE AVENUE | LITTLE FALLS BRANCH | 0.1 MI E OF WARWICK AVE | Steel Stringer/Multi-beam or girder | -- | 1965 | 1990 | 23.0 | 25.9 | Fair | 58.9 | 200000M-S-01010 |
| NBI report | BLACK ROCK RD | GREAT SENECA CREEK | 0.7 MI N OF JCT SR 28 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1965 | 1993 | 39.0 | 74.2 | Fair | 68.3 | 200000M-0047010 |
| NBI report | GARRETT PARK ROAD | ROCK CREEK | 100 FT W OF BEACH DRIVE | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1965 | 2000 | 76.1 | 153.9 | Poor | 70.0 | 200000M-PK04010 |
| NBI report | BEACH DRIVE | ROCK CREEK | 0.15 MI N OF JCT SR 547 | Concrete Culvert | -- | 1966 | -- | 14.1 | 44.0 | Fair | 73.8 | 200000M-PK06020 |
| NBI report | LYTTONSVILLE PLACE | HIKER-BIKER TRAIL | 1 MILES NORTH OF MD 410 | Steel Stringer/Multi-beam or girder | -- | 1966 | -- | 91.9 | 94.2 | Poor | 38.2 | 200000M-0081010 |
| NBI report | TUCKERMAN LANE | CABIN JOHN CREEK | 1 MI E OF SEVEN LOCKS RD | Concrete Culvert (4 spans) | -- | 1966 | -- | 14.1 | 59.1 | Good | 86.2 | 200000M-0145020 |
| NBI report | TUCKERMAN LANE | SNAKEDEN BRANCH | .5 MI W OF SEVEN LOCKS RD | Steel Culvert (2 spans) | -- | 1966 | -- | 12.1 | 27.9 | Fair | 71.4 | 200000M-0169030 |
| NBI report | DEMOCRACY BOULEVAR | CABIN JOHN CREEK | .1 MI E OF SEVEN LOCKS RD | Concrete Culvert | -- | 1967 | -- | 13.1 | 44.9 | Fair | 81.6 | 200000M-0144020 |
| NBI report | IS 495 | NORTHWEST BRANCH | 0.62 MILE EAST OF MD 193 | Steel Truss - Deck (3 spans) | -- | 1967 | 2012 | 200.1 | 505.9 | Fair | 80.0 | 100000150137010 |
| NBI report | BEACH DRIVE | ROCK CREEK | 0.5 MI S OF JCT SR 547 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1968 | -- | 75.1 | 154.9 | Fair | 66.6 | 200000M-PK08010 |
| NBI report | BEACH DRIVE | TRIB TO ROCK CREEK | 0.9 MI SOUTH OF MD 547 | Concrete Culvert | -- | 1968 | -- | 9.8 | 20.3 | Fair | 98.6 | 200000M-PK11020 |
| NBI report | BEACH DRIVE | TRIB TO ROCK CREEK | 1.1 MI SOUTH OF MD 547 | Concrete Culvert | -- | 1968 | -- | 14.1 | 27.9 | Fair | 98.6 | 200000M-PK12020 |
| NBI report | EDISON PARK DRIVE | TRUCK LOADING DOCKS | 0.4 MI NORTH OF MD 28 | Concrete Slab (7 spans) | -- | 1968 | -- | 22.0 | 142.1 | Good | 95.0 | 200000M-0358010 |
| NBI report | LONG CORNER ROAD | PATUXENT RIVER | 1 MILE NORTH OF GUE ROAD | Steel Stringer/Multi-beam or girder | -- | 1968 | -- | 44.9 | 48.9 | Fair | 98.0 | 200000M-0128010 |
| NBI report | MD 185 | PROPOSED ROADWAY | 0.92 MILE SOUTH OF MD 97 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1968 | -- | 112.9 | 306.1 | Fair | 91.4 | 100000150088010 |
| NBI report | SPRING STREET | CSXT RR & WMATA METRO | 0.3 MI SOUTH OF MD 97 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1968 | 1973 | 88.9 | 212.9 | Poor | 63.3 | 200000M-0078010 |
| NBI report | EAST GUDE DRIVE (W | CSXT RR & WMATA METRO | 0.1 MI EAST OF MD 355 | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1968 | 2012 | 58.1 | 189.0 | Fair | 74.1 | 200000M-0131014 |
| NBI report | TURKEY FOOT ROAD | MUDDY BRANCH | 100 FT N OF QUERY MILL RD | Steel Stringer/Multi-beam or girder | -- | 1968 | 2016 | 39.0 | 41.0 | Fair | 84.2 | 200000M-0019010 |
| NBI report | CARNATION DRIVE | WATTS BRANCH TRIBUTARY | 1.25 MI N OF MD 28 | Steel Culvert | -- | 1969 | -- | 12.1 | 26.6 | Good | 83.7 | 200000M-R-10030 |
| NBI report | HURLEY AVENUE | WATTS BRANCH TRIBUTARY | 0.1 MI S OF JCT SR 28 | Steel Stringer/Multi-beam or girder | -- | 1969 | -- | 60.0 | 62.0 | Fair | 84.6 | 200000M-R-03010 |
| NBI report | MD 185 | TURKEY BRANCH | 0.99 MILE SOUTH OF MD 97 | Concrete Culvert | -- | 1969 | -- | 11.2 | 42.0 | Fair | 72.6 | 100000150091020 |
| NBI report | JONES MILL ROAD | ROCK CREEK | 0.1 MI S FORSYTHE AVENUE | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1969 | 2000 | 50.9 | 201.1 | Fair | 71.7 | 200000M-0075010 |
| NBI report | AMBLESIDE DRIVE | WATTS BRANCH | 0.6 MI NORTH OF GLEN ROAD | Steel Stringer/Multi-beam or girder | -- | 1970 | -- | 91.9 | 91.9 | Fair | 82.3 | 200000M-0170010 |
| NBI report | LONG CORNER ROAD | PATUXENT RIVER TRIB | 1.90 MI. N. OF MD108 | Steel Culvert | -- | 1970 | -- | 5.9 | 21.0 | Fair | 98.8 | 200000M-0479030 |
| NBI report | MD 115 | ROCK CREEK | 0.34 M E OF OLDE MILL RUN | Concrete Culvert | -- | 1970 | -- | 11.2 | 36.1 | Fair | 89.7 | 100000150015020 |
| NBI report | MD 28 | BRANCH OF ROCK CREEK | 0.55 MILE EAST OF MD 911 | Steel Culvert | -- | 1970 | -- | 11.2 | 41.0 | Fair | 81.1 | 100000150147030 |
| NBI report | MD 28 EB | ROCK CREEK | 0.31 M E OF AVERY ROAD | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1970 | -- | 80.1 | 319.9 | Fair | 86.4 | 100000150092013 |
| NBI report | MD 28 WB | ROCK CREEK | 0.31 M E OF AVERY ROAD | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1970 | -- | 80.1 | 319.9 | Fair | 74.0 | 100000150092014 |
| NBI report | WATTS BRANCH PARKW | WATTS BRANCH | 0.2 MI S OF HURLEY AVE | Concrete Culvert (3 spans) | -- | 1970 | -- | 12.1 | 41.0 | Good | 99.7 | 200000M-R-05020 |
| NBI report | BONIFANT ROAD | NORTHWEST BRANCH | 0.6 MILES EAST OF MD 182 | Concrete Culvert (3 spans) | -- | 1971 | -- | 12.1 | 55.8 | Fair | 85.0 | 200000M-0093020 |
| NBI report | MOUTH OF MONOCACY | LITTLE MONOCACY RIVER | 0.5 MI E OF MT EPHRAM RD | Steel Stringer/Multi-beam or girder | -- | 1971 | -- | 46.9 | 48.9 | Poor | 29.4 | 200000M-0043010 |
| NBI report | SUGARLAND ROAD | DRY SENECA CREEK | 2.3 MI S OF JCT SR 28 | Steel Stringer/Multi-beam or girder | -- | 1971 | -- | 52.2 | 56.1 | Fair | 99.9 | 200000M-0033010 |
| NBI report | WOOTTON PARKWAY | WATTS BRANCH | 0.9 MI W OF JCT SR 189 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1971 | -- | 54.1 | 113.9 | Fair | 74.7 | 200000M-R-04010 |
| NBI report | WOOTTON PARKWAY | TRIBUTARY TO WATTS BRANC | 0.8 MI W OF JCT SR 189 | Concrete Culvert | -- | 1971 | -- | 9.8 | 21.0 | Good | 96.7 | 200000M-R-08020 |
| NBI report | CASHELL ROAD | WILLIAMSBURG RUN | 0.9 MI S OF BOWIE MILL RD | Concrete Culvert | -- | 1972 | -- | 12.1 | 26.9 | Fair | 95.5 | 200000M-0070020 |
| NBI report | CHANDLEE MILL ROAD | JAMES CREEK | 0.4 MI S OF GOLD MINE RD | Concrete Frame | -- | 1972 | -- | 36.1 | 38.1 | Fair | 99.0 | 200000M-0147040 |
| NBI report | LOGAN DRIVE | ROCK RUN | 1.0 MILE SOUTH OF MD-190 | Concrete Culvert | -- | 1972 | -- | 11.2 | 23.0 | Fair | 98.8 | 200000M-0391020 |
| NBI report | MONTGOMERY VILLAGE | CABIN BRANCH | 2.2 MI N OF JCT SR MD 355 | Steel Culvert | -- | 1972 | -- | 16.1 | 125.0 | Fair | 79.7 | 200000M-0171030 |
| NBI report | MONTGOMERY VILLAGE | NORTH CREEK | 2.8 MI NORTH OF MD 355 | Steel Culvert | -- | 1972 | -- | 11.2 | 25.9 | Fair | 82.4 | 200000M-0172030 |
| NBI report | TILDEN LANE | OLD FARM CREEK | 1.2 MILES WEST OF MD 187 | Steel Arch - Deck | -- | 1972 | -- | 23.0 | 23.0 | Fair | 67.4 | 200000M-0146010 |
| NBI report | GEORGE WASHINGTON | TRIBUTARY TO NORTH BRANC | .5 MI NORTH OF MD-200 | Steel Culvert (2 spans) | -- | 1973 | -- | 9.8 | 28.2 | Fair | 92.5 | 200000M-0397030 |
| NBI report | HIPSLEY MILL ROAD | PATUXENT RIVER | 1.8 MILES NORTH OF MD 650 | Steel Stringer/Multi-beam or girder | -- | 1973 | 1996 | 38.1 | 42.0 | Fair | 85.5 | 200000M-0125010 |
| NBI report | BRIGGS CHANEY ROAD | PAINT BRANCH | 2.4 MILES EAST OF MD 650 | Concrete Culvert | -- | 1974 | -- | 15.1 | 47.9 | Fair | 84.0 | 200000M-0094020 |
| NBI report | FOREST GLEN ROAD | SLIGO CREEK | 0.6 MI EAST OF MD 97 | Concrete Culvert | -- | 1974 | -- | 14.1 | 28.9 | Fair | 96.3 | 200000M-0225020 |
| NBI report | MD 190 | CABIN JOHN CREEK | 0.74 MILE EAST OF MD 191 | Steel Stringer/Multi-beam or girder | -- | 1974 | -- | 89.9 | 95.1 | Fair | 94.8 | 100000150027010 |
| NBI report | MD 410 | ROCK CREEK | 0.55 MILE EAST OF MD 186 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1974 | -- | 85.0 | 200.1 | Fair | 87.9 | 100000150059010 |
| NBI report | WOODFIELD SCHOOL R | GREAT SENECA CREEK | 0.5 MILES NORTH OF MD 124 | Steel Culvert | -- | 1974 | -- | 5.9 | 33.1 | Fair | 99.9 | 200000M-0130030 |
| NBI report | E. RIXEY ROAD | STONEY CREEK | 10M W STONE LAKE RD | Concrete Culvert (2 spans) | -- | 1975 | -- | 12.5 | 25.9 | Fair | 100.0 | 1MD0265 |
| NBI report | MD 410 | CSXT, WMATA | 0.09 MILE EAST OF US 29 | Prestressed Box beam or girders - Multiple (2 spans) | -- | 1975 | -- | 65.0 | 100.1 | Fair | 82.7 | 100000150061010 |
| NBI report | PURDUM ROAD | BENNETT CREEK TRIBUTARY | 0.6 MI N OF MOUNTAIN VIEW | Steel Culvert (2 spans) | -- | 1975 | -- | 5.9 | 20.0 | Fair | 98.8 | 200000M-0005030 |
| NBI report | SERPENTINE WAY | TRIB TO PAINT BRANCH | 0.7 MILES WEST OF US-29 | Steel Culvert | -- | 1975 | -- | 8.9 | 21.0 | Good | 99.5 | 200000M-0385030 |
| NBI report | SHADY GROVE ROAD | MILL CREEK | 1.1 MI SOUTH OF MD 115 | Concrete Culvert | -- | 1975 | -- | 12.1 | 24.9 | Good | 74.4 | 200000M-0193020 |
| NBI report | TOWER OAKS BOULEVA | CABIN JOHN CREEK | 0.1 M N OF MONTROSE ROAD | Concrete Culvert (3 spans) | -- | 1975 | -- | 9.8 | 32.2 | Good | 76.6 | 200000M-R-23020 |
| NBI report | CATTAIL ROAD | DRY SENECA CREEK | 1.5 MI S OF JCT SR 28 | Steel Stringer/Multi-beam or girder | -- | 1975 | 2009 | 58.1 | 63.0 | Fair | 86.3 | 200000M-0155010 |
| NBI report | BROOKVILLE ROAD | CSXT RAILROAD | 0.4 MI SW OF MD 192 | Steel Frame (3 spans) | -- | 1976 | -- | 44.0 | 124.0 | Fair | 84.2 | 200000M-0083010 |
| NBI report | RANDOLPH ROAD | NORTHWEST BRANCH | 0.1 MI E OF KEMP MILL RD | Concrete Culvert | -- | 1976 | -- | 18.0 | 75.1 | Fair | 70.0 | 200000M-0204020 |
| NBI report | SHADY GROVE RD EB | CSXT RAILROAD | 0.5 MI EAST OF MD 355 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1976 | -- | 88.9 | 182.1 | Fair | 65.6 | 200000M-0191013 |
| NBI report | SHADY GROVE RD WB | CSXT RAILROAD | 0.5 MI EAST OF MD 355 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1976 | -- | 88.9 | 182.1 | Fair | 77.5 | 200000M-0191014 |
| NBI report | LONGDRAFT ROAD | LONG DRAUGHT BRANCH | 0.4 MI N OF GREAT SENECA | Concrete Culvert | -- | 1977 | -- | 9.8 | 21.0 | Good | 97.8 | 200000M-0052020 |
| NBI report | PERSIMMON TREE RD | CONGRESSIONAL CC UNDERPA | 0.4 MI N OF I-495 | Steel Culvert | -- | 1977 | -- | 15.1 | 20.3 | Fair | 82.7 | 200000M-0298030 |
| NBI report | FIELDCREST ROAD | ROCK CREEK | 0.6 MI. E. OF MD 124 | Steel Culvert | -- | 1980 | -- | 6.9 | 30.8 | Good | 97.8 | 200000M-0471030 |
| NBI report | FOUNDERS MILL DRIV | MILL CREEK TRIB | 0.7 MI. S. OF MD 115 | Steel Culvert | -- | 1980 | -- | 8.9 | 21.0 | Fair | 100.0 | 200000M-0466030 |
| NBI report | HARVEST SQUARE COU | BUCK BRANCH TRIB | 1.8 MI. E. OF MD 190 | Steel Culvert | -- | 1980 | -- | 5.9 | 21.7 | Fair | 94.9 | 200000M-0427030 |
| NBI report | HATHAWAY DRIVE | LUTES RUN | 1300 FT. W. OF MD 182 | Steel Culvert | -- | 1980 | -- | 6.9 | 24.9 | Good | 100.0 | 200000M-0449030 |
| NBI report | HOMECREST ROAD | NORTHWEST BRANCH TRIB | 0.9 MI. E. OF MD 97 | Steel Culvert | -- | 1980 | -- | 9.8 | 21.0 | Good | 100.0 | 200000M-0452030 |
| NBI report | HOWELL ROAD | BOOZE CREEK TRIB | 900 FT. W. OF MD 191 | Steel Culvert | -- | 1980 | -- | 14.1 | 28.9 | Fair | 93.3 | 200000M-0435010 |
| NBI report | LOCBURY DRIVE | TRIB TO LAKE CHURCHILL | 0.5 MI. W. OF I-270 | Steel Culvert | -- | 1980 | -- | 7.9 | 28.5 | Fair | 100.0 | 200000M-0412030 |
| NBI report | MORNINGWOOD DRIVE | WILLIAMSBURG RUN TRIB | 0.90 MI. W. OF MD 108 | Steel Culvert | -- | 1980 | -- | 6.9 | 37.4 | Fair | 87.7 | 200000M-0467030 |
| NBI report | OLD BALTIMORE ROAD | TRIBUTARY TO JAMES CREEK | 0.5 MI N OF MD 108 | Steel Culvert | -- | 1980 | -- | 7.9 | 20.7 | Good | 98.8 | 200000M-0287030 |
| NBI report | REDLAND ROAD | CSXT RR & WMATA METRO | 0.2 MI E OF MD RTE 355 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1980 | -- | 113.9 | 233.0 | Fair | 75.3 | 200000M-0203010 |
| NBI report | RUSSETT ROAD | ROCK CREEK TRIBUTARY | 0.65 MI SOUTH OF MD-28 | Steel Culvert | -- | 1980 | -- | 11.2 | 23.6 | Poor | 71.7 | 200000M-0399030 |
| NBI report | SEVEN LOCKS ROAD | CABIN JOHN CREEK | 0.1 MI S OF JCT SR MD 190 | Steel Stringer/Multi-beam or girder | -- | 1980 | -- | 80.1 | 85.0 | Fair | 79.2 | 200000M-0110010 |
| NBI report | VICTORY FARM DRIVE | TRIBUTARY TO WHETSTONE R | 0.3 MI N OF GIRARD ST | Steel Culvert | -- | 1980 | -- | 6.9 | 25.9 | Fair | 99.8 | 200000M-G-05030 |
| NBI report | WITEX ROAD | ROCK RUN | 0.1KM S OF MACARTHUR BLVD | Steel Stringer/Multi-beam or girder | -- | 1980 | -- | 23.0 | 25.6 | Fair | 77.2 | 1MD0135 |
| NBI report | SOUTH PALMER ROAD | PARKING GARAGE | 1 KM W OF RT. 185 | Concrete Slab (22 spans) | -- | 1980 | 2014 | 30.8 | 665.4 | Fair | 99.0 | 1MD0071 |
| NBI report | EDMONSTON DRIVE | CSXT RR & WMATA METRO | 0.05 MILES EAST OF MD 355 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1981 | -- | 43.0 | 123.0 | Fair | 58.3 | 200000M-R-01010 |
| NBI report | INDIANOLA DRIVE | CSXT RR & WMATA METRO | 1 MI E OF MD RTE 355 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1981 | -- | 105.0 | 206.0 | Fair | 73.8 | 200000M-0133010 |
| NBI report | MD 28 | CSXT, WMATA, RAMP | 0.19 MILE WEST OF MD 911 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1981 | -- | 104.0 | 313.0 | Fair | 92.0 | 100000150006010 |
| NBI report | PALMER ROAD SOUTH | STONE LAKE RD/PARKING LT | 600M E OF WOOD RD | Concrete Box Beam or girders - Single or Spread (3 spans) | -- | 1981 | -- | 109.9 | 272.0 | Fair | 63.8 | 1MD260E |
| NBI report | PALMER ROAD SOUTH | E PALMER RD,STONEY CREEK | 500M E OF WOOD RD | Concrete Box Beam or girders - Single or Spread (3 spans) | -- | 1981 | -- | 109.9 | 279.9 | Fair | 65.6 | 1MD260W |
| NBI report | REDLAND ROAD | CRABBS CREEK | 0.7 MILES EAST OF MD 355 | Concrete Culvert | -- | 1981 | -- | 9.8 | 20.3 | Good | 73.8 | 200000M-0057020 |
| NBI report | BUREAU DRIVE | LONG DRAUGHT BRANCH | 0.4 MILES NORTH OF MD 117 | Metal Culvert (2 spans) | -- | 1982 | -- | 16.1 | 38.1 | Fair | 83.4 | 200000M-G-02030 |
| NBI report | CRABBS BRANCH WAY | CRABBS CREEK | 0.1 MI W OF REDLAND RD | Concrete Culvert | -- | 1982 | -- | 9.8 | 32.2 | Fair | 73.1 | 200000M-0207020 |
| NBI report | EDWARDS FERRY ROAD | BROAD RUN | 1 MI N OF WESTERLY ROAD | Concrete Culvert | -- | 1982 | -- | 11.2 | 23.0 | Fair | 81.9 | 200000M-0181020 |
| NBI report | RABBITT ROAD | LONG DRAUGHT BRANCH | 1 MILE SOUTH OF MD 117 | Steel Culvert (3 spans) | -- | 1982 | -- | 7.9 | 29.9 | Fair | 99.8 | 200000M-G-03030 |
| NBI report | CRABBS BRANCH WAY | METRO ACCESS ROAD | .7 MI S OF SHADY GROVE RD | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1983 | -- | 112.9 | 202.1 | Fair | 68.4 | 200000M-0205010 |
| NBI report | MIDDLEBRIDGE DRIVE | BELL PRE CREEK | 0.1 MI EAST OF MD-182 | Steel Culvert | -- | 1983 | -- | 19.0 | 62.7 | Fair | 92.8 | 200000M-0396030 |
| NBI report | MD 121 | LITTLE SENECA LAKE | 0.39 MILE NORTH OF MD 117 | Steel Girder and floorbeam system (3 spans) | -- | 1984 | -- | 200.1 | 537.1 | Fair | 92.5 | 100000150021010 |
| NBI report | WISCONSIN AVENUE | BETHESDA METRO PED. TUNN | 70 FT SOUTH OF MD 410 | Concrete Culvert | -- | 1984 | -- | 35.1 | 35.1 | Good | 81.3 | 200000M-0355020 |
| NBI report | MIDCOUNTY HWY & MI | MILL CREEK | .5 MI W OF SHADY GROVE RD | Steel Culvert | -- | 1984 | 1990 | 21.0 | 64.0 | Fair | 62.0 | 200000M-0219030 |
| NBI report | BEXHILL DRIVE | SILVER CREEK | AT KENSINGTON PARKWAY | Steel Arch - Deck | -- | 1985 | -- | 23.0 | 23.0 | Fair | 84.9 | 200000M-0340010 |
| NBI report | GOLDLEAF DRIVE | MINNEHAHA BRANCH | 0.1 MI N OF JCT SR MD 614 | Steel Culvert | -- | 1985 | -- | 11.2 | 37.1 | Fair | 89.6 | 200000M-0249030 |
| NBI report | GUDE DRIVE WEST | I-270 | 0.35 MILES EAST OF MD 28 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1985 | -- | 125.0 | 253.9 | Poor | 45.1 | 200000M-R-11010 |
| NBI report | LAKE POTOMAC DRIVE | WATTS BRANCH | 0.1 MI N OF JCT SR 190 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1985 | -- | 69.9 | 184.1 | Fair | 99.0 | 200000M-0208010 |
| NBI report | GOSHEN ROAD | WHETSTONE RUN | 0.1 MI S MID-COUNTY HWY | Metal Culvert (2 spans) | -- | 1986 | -- | 24.9 | 55.1 | Fair | 88.4 | 200000M-0059010 |
| NBI report | WARING STATION ROA | CSX RAILROAD | 0.5 MI NORTH OF MD 117 | Steel Stringer/Multi-beam or girder | -- | 1986 | -- | 115.2 | 117.1 | Fair | 98.3 | 200000M-0134010 |
| NBI report | MD 124 | WHETSTONE RUN | 0.32 M N OF GOSHEN ROAD | Metal Culvert (4 spans) | -- | 1986 | 1990 | 9.8 | 77.1 | Fair | 70.8 | 100000150166030 |
| NBI report | CSX TRANSPORTATION | PERRY PARKWAY | 0.49 MILE NORTH OF MD 117 | Steel Girder and floorbeam system | -- | 1987 | -- | 104.0 | -- | -- | -- | 100000150096140 |
| NBI report | MD 119 | GUNNERS BR,CSXT RR | .5 MI S OF MIDDLEBROOK RD | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1987 | -- | 136.2 | 332.0 | Good | 98.9 | 100000150172011 |
| NBI report | MD 119 | GUNNERS BR,CSXT RR | .5 MI S OF MIDDLEBROOK RD | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1987 | -- | 134.8 | 329.1 | Good | 99.0 | 100000150172012 |
| NBI report | MD 355 | CSX TRANS, MU 681, MU 77 | 0.19 M S OF BROOKS AVENUE | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1987 | -- | 122.1 | 398.0 | Fair | 89.1 | 100000150056010 |
| NBI report | MUDDY BRANCH ROAD | MUDDY BRANCH | 1 MI N GREAT SENECA HWY | Concrete Culvert | -- | 1987 | -- | 14.1 | 42.0 | Fair | 78.5 | 200000M-0053020 |
| NBI report | MUDDY BRANCH ROAD | SHADY BRANCH | 0.5 MILES NORTH OF MD 28 | Concrete Culvert | -- | 1987 | 1991 | 12.1 | 40.0 | Good | 81.3 | 200000M-0054020 |
| NBI report | SHADY GROVE ROAD | IS 270 & C-D ROADS | 1.02 MI S OF MD 355 | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1987 | 1995 | 86.9 | 345.2 | Fair | 76.0 | 100000150047010 |
| NBI report | BRIMSTONE ACADEMY | TRIBUTARY TO JAMES CREEK | 0.2 MI. S. OF MD 108 | Concrete Culvert | -- | 1988 | -- | 9.8 | 29.5 | Fair | 100.0 | 200000M-0364020 |
| NBI report | CLARKSBURG ROAD | LITTLE BENNETT CREEK TRI | 2.8 MILES NORTH OF MD 355 | Concrete Culvert (3 spans) | -- | 1988 | -- | 8.9 | 32.2 | Good | 92.2 | 200000M-0011020 |
| NBI report | CRYSTAL ROCK DRIVE | TRIB TO LITTLE SENECA CR | .6 M. N. OF MD. 27 | Steel Culvert | -- | 1988 | -- | 7.9 | 32.5 | Good | 64.0 | 200000M-0365030 |
| NBI report | DEMOCRACY BLVD | BUCK BRANCH | 2 MI E OF JCT SR MD 189 | Concrete Culvert | -- | 1988 | -- | 9.8 | 48.2 | Fair | 96.1 | 200000M-0240020 |
| NBI report | MD 119 | MUDDY BRANCH | 0.9 MI SE OF JCT SR 124 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1988 | -- | 108.9 | 248.0 | Good | 90.3 | 100000150176010 |
| NBI report | MD 189 | IS 270 & C-D ROADS | 0.96 MILE SOUTH OF MD 28 | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1988 | -- | 75.1 | 250.0 | Fair | 93.0 | 100000150049010 |
| NBI report | MD 28 | BR OF WATTS BRANCH | 0.53 MILE WEST OF IS 270 | Concrete Culvert | -- | 1988 | -- | 13.1 | 40.7 | Good | 70.0 | 100000150004020 |
| NBI report | MD 355 | CAPITAL CRESCENT TRAIL | 0.08 MILE SOUTH OF MD 410 | Steel Stringer/Multi-beam or girder | -- | 1988 | -- | 62.0 | 65.9 | Fair | 93.6 | 100000150050010 |
| NBI report | MD 927 & RAMP 'D' | IS 270 RAMP 'I' | 0.13 M E OF BR NO 1506800 | Concrete Frame | -- | 1988 | -- | 37.1 | 37.1 | Fair | 89.3 | 100000150170040 |
| NBI report | MD 927 & RAMP 'D' | IS 270 RAMP 'I' | 0.13 MILE EAST OF IS 270 | Concrete Frame | -- | 1988 | -- | 37.1 | -- | -- | -- | 100000150170010 |
| NBI report | MD 927-MONTROSE RD | IS 270 & C-D ROADS | 1.36 MILES S OF MD 189 | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1988 | -- | 81.0 | 314.0 | Fair | 83.0 | 100000150068010 |
| NBI report | MD 119 | SHADY BRANCH | 0.3 M S OF SAM EIG HWY | Concrete Culvert (2 spans) | -- | 1988 | 1990 | 9.8 | 32.2 | Fair | 81.7 | 100000150178020 |
| NBI report | MD 119 | SHADY BRANCH | 0.13 M N OF SAM EIG HWY | Concrete Culvert (3 spans) | -- | 1988 | 1991 | 12.1 | 65.0 | Good | 73.7 | 100000150177020 |
| NBI report | IS 370 | IS 370 RAMP 'M' | 0.21 MILE EAST OF MD 355 | Steel Stringer/Multi-beam or girder | -- | 1988 | 2010 | 100.1 | 105.0 | Good | 93.0 | 100000150153013 |
| NBI report | DEER RIDGE ROAD | MD 119 | 1.39 M N OF MD 124 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1989 | -- | 95.1 | 174.9 | Fair | 95.0 | 100000150175010 |
| NBI report | DEMOCRACY BLVD | BUCK BRANCH TRIBUTARY | 1.5 MI E OF JCT SR MD 189 | Steel Culvert | -- | 1989 | -- | 8.9 | 27.9 | Fair | 84.5 | 200000M-0237030 |
| NBI report | EAST GUDE DRIVE (E | CSXT RR & WMATA METRO | 0.1 MILE EAST OF MD 355 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1989 | -- | 77.1 | 159.1 | Fair | 73.0 | 200000M-0131013 |
| NBI report | MD 119 | GREAT SENECA CREEK | 2.0 MILES NORTH OF MD 124 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1989 | -- | 109.9 | 255.9 | Good | 83.7 | 100000150173011 |
| NBI report | MD 119 | GREAT SENECA CREEK | 2.0 MILES NORTH OF MD 124 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1989 | -- | 109.9 | 255.9 | Fair | 99.1 | 100000150173012 |
| NBI report | MD 124 | GREAT SENECA CREEK | 0.23 MI S OF WATKINS RD | Concrete Culvert | -- | 1989 | -- | 14.1 | 42.7 | Fair | 95.5 | 100000150022020 |
| NBI report | MD 124 | GOSHEN BRANCH | 0.6 MI N OF BRINK RD | Concrete Culvert | -- | 1989 | -- | 9.8 | 22.0 | Good | 81.7 | 100000150074020 |
| NBI report | MUDDY BRANCH RD EB | IS 270 & NB C-D ROAD | 0.73 MI E OF MD 117 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1989 | -- | 116.1 | 320.9 | Good | 70.4 | 100000150046013 |
| NBI report | MUDDY BRANCH RD WB | IS 270 & NB C-D ROAD | 0.85 MI N OF IS 370 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1989 | -- | 116.1 | 320.9 | Fair | 68.1 | 100000150046014 |
| NBI report | OAKLYN DRIVE | ROCK RUN | 1 MI SOUTH OF MD 189 | Concrete Slab (2 spans) | -- | 1989 | -- | 23.0 | 47.9 | Fair | 99.5 | 200000M-0012010 |
| NBI report | SHADY GROVE ROAD | IS 370 | 2.43 MI. E. OF I-270 | Steel Girder and floorbeam system (2 spans) | -- | 1989 | -- | 116.1 | 221.1 | Good | 100.0 | 100000150149010 |
| NBI report | IS 370 & RAMP 9 | CSX/MARC | 0.56 MILE EAST OF MD 355 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1989 | 2010 | 85.0 | 149.9 | Good | 78.5 | 100000150151013 |
| NBI report | IS 370 EB | OAKMONT AVENUE | 0.37 MILE EAST OF MD 355 | Steel Stringer/Multi-beam or girder | -- | 1989 | 2010 | 128.0 | 136.2 | Good | 93.0 | 100000150152013 |
| NBI report | IS 370 | MD 355 | 1.18 MILE EAST OF IS 270 | Steel Stringer/Multi-beam or girder | -- | 1989 | 2011 | 148.0 | 152.9 | Good | 93.0 | 100000150154013 |
| NBI report | BETHESDA CHURCH RO | BENNETT CREEK | 2.6 MILES SE OF MD 75 | Concrete Frame | -- | 1990 | -- | 29.9 | 32.2 | Fair | 79.4 | 200000M-0006040 |
| NBI report | CROFTON HILL LANE | WATTS BRANCH TRIBUTARY | 0.1 MILES SOUTH OF MD 28 | Steel Stringer/Multi-beam or girder | -- | 1990 | -- | 37.1 | 41.0 | Fair | 84.2 | 200000M-R-13010 |
| NBI report | EDNOR ROAD | NORTHWEST BRANCH | 1.6 MILES WEST OF MD 650 | Prestressed Slab | -- | 1990 | -- | 39.0 | 42.0 | Fair | 98.0 | 200000M-0106010 |
| NBI report | GAME PRESERVE ROAD | WHETSTONE RUN | 0.2 MI NORTH OF MD 355 | Metal Culvert | -- | 1990 | -- | 27.9 | 27.9 | Good | 81.2 | 200000M-0224010 |
| NBI report | INDUSTRIAL DRIVE | IS 370 | 0.51 MI E OF IS 270 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1990 | -- | 175.9 | 318.9 | Good | 88.5 | 100000150155010 |
| NBI report | IS 270 | IS 370 AND RAMP 'B' | 1.53 MILE SOUTH OF MD 117 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1990 | -- | 153.9 | 311.0 | Fair | 98.0 | 100000150157010 |
| NBI report | IS 270 RAMP 'A'(6) | IS 495 OL | 1.19 MILE SOUTH OF MD 187 | Steel Stringer/Multi-beam or girder | -- | 1990 | -- | 128.9 | 136.2 | Fair | 98.0 | 100000150162010 |
| NBI report | IS 270 RAMP 'C'(5) | IS 370 & RAMP 'B' | 1.53 MILE SOUTH OF MD 117 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1990 | -- | 180.1 | 313.0 | Fair | 97.0 | 100000150158010 |
| NBI report | IS 270 RAMP 'C'(5) | IS 270; C-D RDS & RP F/1 | AT I-270 | Steel Stringer/Multi-beam or girder (5 spans) | -- | 1990 | -- | 111.9 | 472.1 | Fair | 96.0 | 100000150159010 |
| NBI report | IS 270 SB | IS 495 OL | 1.04 MILE SOUTH OF MD 187 | Steel Stringer/Multi-beam or girder | -- | 1990 | -- | 112.9 | 118.1 | Fair | 95.0 | 100000150145010 |
| NBI report | IS 370 EB | IS 370 RAMP 'B' | 0.07 MILE WEST OF IS 270 | Steel Stringer/Multi-beam or girder | -- | 1990 | -- | 149.9 | 161.1 | Fair | 98.0 | 100000150161010 |
| NBI report | IS 370 RAMP 'F' | IS 370 | 0.16 MI E OF IS 270 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1990 | -- | 165.0 | 306.1 | Fair | 97.0 | 100000150156010 |
| NBI report | IS 370 RAMP 'F'(1) | IS 270; C-D RDS & RP C/5 | AT I-370 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1990 | -- | 148.0 | 298.9 | Fair | 97.0 | 100000150160010 |
| NBI report | MD 119 | LONG DRAUGHT BRANCH | 1.66 MILE NORTH OF MD 124 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1990 | -- | 88.9 | 182.1 | Fair | 93.8 | 100000150174011 |
| NBI report | MD 119 | LONG DRAUGHT BRANCH | 1.66 MILE NORTH OF MD 124 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1990 | -- | 90.9 | 186.0 | Good | 96.1 | 100000150174012 |
| NBI report | MD 124 | WHETSTONE RUN | 1.23 MILE NORTH OF MD 355 | Steel Arch - Deck (3 spans) | -- | 1990 | -- | 38.1 | 118.1 | Good | 83.1 | 100000150167010 |
| NBI report | MONTROSE ROAD | RAMP TO I-270 | 0.1 MI W OF I-270 | Steel Stringer/Multi-beam or girder | -- | 1990 | -- | 55.1 | 59.1 | Good | 83.9 | 200000M-0211010 |
| NBI report | PEACH ORCHARD ROAD | PAINT BRANCH | .5 M N OF BRIGGS CHANEY R | Concrete Culvert | -- | 1990 | -- | 14.1 | 31.8 | Fair | 97.7 | 200000M-0102020 |
| NBI report | SCOTT DRIVE | WATTS BRANCH | 0.1 MI W OF WOOTTON PKWY | Prestressed Slab | -- | 1990 | -- | 25.9 | 27.9 | Fair | 79.6 | 200000M-R-06010 |
| NBI report | UPSHIRE CIRCLE | SHADY BRANCH | .7 MI W OF MUDDY BR ROAD | Steel Arch - Deck | -- | 1990 | -- | 23.0 | 29.9 | Good | 82.4 | 200000M-G-04010 |
| NBI report | WATKINS MILL ROAD | CABIN BRANCH | .4 MI S OF APPLE RIDGE RD | Steel Stringer/Multi-beam or girder | -- | 1990 | -- | 109.9 | 115.2 | Fair | 97.6 | 200000M-0222010 |
| NBI report | WATKINS MILL ROAD | GREAT SENECA CREEK | .6 MI SE OF BLUNT ROAD | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1990 | -- | 134.8 | 274.9 | Good | 97.8 | 200000M-0223010 |
| NBI report | WOOTTON PARKWAY | I-270 | 0.2 MI E SEVEN LOCKS ROAD | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1990 | -- | 165.0 | 320.9 | Fair | 77.4 | 200000M-R-12010 |
| NBI report | IS 270 | MIDDLEBROOK ROAD | 0.77 MILE SOUTH OF MD 118 | Steel Stringer/Multi-beam or girder | -- | 1991 | -- | 140.1 | 145.0 | Fair | 83.0 | 100000150042010 |
| NBI report | IS 270 RAMP L(1) | GUNNERS BRANCH | IS 270/MIDDLEBROOK INTER | Steel Culvert | -- | 1991 | -- | 16.1 | 35.8 | Good | 98.0 | 100000150169030 |
| NBI report | MD 182 | BEL PRE CREEK | 1.15 MILE NORTH OF MD 97 | Concrete Culvert | -- | 1991 | -- | 16.1 | 51.2 | Fair | 75.4 | 100000150025020 |
| NBI report | MD 191 | CABIN JOHN CREEK | 0.96 MILE SOUTH OF IS 495 | Concrete Culvert (2 spans) | -- | 1991 | -- | 13.1 | 27.9 | Fair | 94.6 | 100000150029020 |
| NBI report | SAM EIG HIGHWAY | TRIBUTARY TO MUDDY BRANC | 1 MI E OF MUDDY BRANCH RD | Concrete Culvert | -- | 1991 | -- | 12.1 | 25.6 | Good | 80.5 | 200000M-0228020 |
| NBI report | WOOTTON PARKWAY | CABIN JOHN CREEK | 1.1 MILES WEST MD 355 | Concrete Culvert | -- | 1991 | -- | 12.1 | 65.9 | Fair | 75.5 | 200000M-R-15020 |
| NBI report | WOOTTON PARKWAY | TRIB CABIN JOHN CREEK | 1.1 MILES WEST OF MD 355 | Concrete Culvert | -- | 1991 | -- | 12.1 | 28.9 | Fair | 75.5 | 200000M-R-16020 |
| NBI report | MD 107 | DRY SENECA CREEK | 1.4 MILES WEST OF MD 28 | Concrete Culvert | -- | 1992 | -- | 12.1 | 38.7 | Fair | 95.6 | 100000150014020 |
| NBI report | AIRPARK ROAD | TRIBUTARY TO ROCK CREEK | 0.6 MI NEOF JCT SR MD 115 | Steel Arch - Deck | -- | 1994 | -- | 32.2 | 32.8 | Fair | 70.0 | 200000M-0238010 |
| NBI report | AVERY ROAD | ROCK CREEK | 0.75 MI N OF JCT SR 28 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1994 | -- | 73.2 | 149.9 | Good | 81.7 | 200000M-0049010 |
| NBI report | BRIGGS CHANEY ROAD | LITTLE PAINT BRANCH TRIB | 1 MI EAST OF US 29 | Concrete Culvert | -- | 1994 | -- | 8.9 | 41.3 | Fair | 98.9 | 200000M-0095020 |
| NBI report | MD 108 | TRIB TO JAMES CREEK | 1.24 MILES EAST OF MD 97 | Steel Culvert (3 spans) | -- | 1994 | -- | 8.9 | 34.1 | Good | 81.2 | 100000150164030 |
| NBI report | OBSERVATION DRIVE | TRIB TO LITTLE SENECA CR | 0.3 MI. EAST OF I-270 | Steel Culvert | -- | 1994 | -- | 14.1 | 39.4 | Good | 100.0 | 200000M-0410010 |
| NBI report | RANWORTH DRIVE | TRIBUTARY TO LITTLE SENE | 0.5 MI N OF MD RTE 117 | Steel Culvert | -- | 1994 | -- | 11.2 | 25.9 | Good | 94.0 | 200000M-0232030 |
| NBI report | WESTLAKE TERRACE-F | I-270 | 1 MI N OF DEMOCRACY BLVD | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1994 | 2004 | 143.1 | 365.2 | Good | 96.5 | 200000M-0247010 |
| NBI report | KINSTER DRIVE | LITTLE SENECA CREEK TRIB | 0.1 MI N OF CRYSTAL ROCK | Concrete Culvert | -- | 1994 | 2018 | 11.2 | 33.1 | Good | 100.0 | 200000M-0231020 |
| NBI report | FATHER HURLEY BOUL | CENTURY BOULEVARD | 0.2 MI SW OF JCT I-270 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1995 | -- | 102.0 | 188.0 | Good | 78.7 | 200000M-0250013 |
| NBI report | FATHER HURLEY BOUL | CENTURY BOULEVARD | 0.2 MI SW OF JCT I-270 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1995 | -- | 102.0 | 188.0 | Good | 80.8 | 200000M-0250014 |
| NBI report | FATHER HURLEY BOUL | I-270 | 0.5MI E. OF CRYSTAL RK DR | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1995 | -- | 160.1 | 321.9 | Good | 78.7 | 200000M-0251013 |
| NBI report | FATHER HURLEY BOUL | I-270 | .5 MI E. OF CRYSTAL RK DR | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1995 | -- | 160.1 | 321.9 | Good | 78.7 | 200000M-0251014 |
| NBI report | FATHER HURLEY BOUL | TRIB TO LITTLE SENECA CR | 0.3 MI SE OF JCT I-270 | Steel Culvert | -- | 1995 | -- | 15.1 | 44.9 | Fair | 80.2 | 200000M-0253030 |
| NBI report | IS 270 RAMP A 1 | IS 270 RAMP 'B' | AT I-270/I-270 SPUR SPLIT | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1995 | -- | 250.0 | 554.2 | Good | 93.0 | 100000150171010 |
| NBI report | POTOMAC CREST DRIV | SNAKEDEN BRANCH | 1 MILE WEST OF I-270 | Concrete Culvert | -- | 1995 | -- | 29.9 | 29.9 | Good | 91.3 | 200000M-0386010 |
| NBI report | IS 495 OL | IS 270Y | 0.26 MILE EAST OF MD 191 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1996 | -- | 158.1 | 306.1 | Fair | 85.0 | 100000150112010 |
| NBI report | LINDEN LANE | CSXT RAILROAD | 0.5 MI W OF SEMINARY ROAD | Steel Stringer/Multi-beam or girder | -- | 1996 | -- | 58.1 | 63.0 | Good | 81.4 | 200000M-0084010 |
| NBI report | MD 410 | GEORGETOWN BRANCH TRAIL | 0.52 MILE EAST OF MD 355 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1996 | -- | 88.9 | 163.1 | Good | 74.3 | 100000150058010 |
| NBI report | MONROE STREET | TRUCK STREET | 0.16 MI NORTH OF MD 28 | Steel Girder and floorbeam system (4 spans) | -- | 1996 | -- | 33.1 | 170.0 | Fair | 82.6 | 200000M-R-14010 |
| NBI report | SLIGO CREEK PARKW | TRIBUTARY TO SLIGO CREEK | 0.9 MI SOUTH OF MD 320 | Concrete Frame | -- | 1996 | -- | 22.0 | 22.0 | Fair | 84.3 | 200000M-PK15010 |
| NBI report | SUMMIT AVENUE | CSXT RAILROAD | 0.14 MILE NORTH OF MD 547 | Steel Stringer/Multi-beam or girder | -- | 1996 | -- | 49.9 | 54.1 | Good | 79.3 | 200000M-0086010 |
| NBI report | SUNDOWN ROAD | HAWLINGS RIVER | 2.0 MILES EAST OF MD 108 | Steel Stringer/Multi-beam or girder | -- | 1996 | -- | 49.9 | 55.1 | Good | 76.7 | 200000M-0122010 |
| NBI report | WATKINS MILL ROAD | WHETSTONE RUN | 0.5 MILES EAST OF MD 355 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1997 | -- | 102.0 | 209.0 | Good | 94.8 | 200000M-0241010 |
| NBI report | CLARKSBURG ROAD | LITTLE BENNETT CREEK | 1.9 MI N OF MD 355 | Steel Stringer/Multi-beam or girder | -- | 1998 | -- | 89.9 | 94.5 | Good | 89.2 | 200000M-0010010 |
| NBI report | EAST MONTGOMERY RO | ROCKVILLE CENTER MULTIPL | 0.5 MILES WEST OF MD. 355 | Prestressed Box beam or girders - Multiple (12 spans) | -- | 1998 | -- | 49.9 | 474.1 | Fair | 76.3 | 200000M-R-17010 |
| NBI report | MD 118 | CSX TRANSPORTATION | 0.98 MILE N OF MD 117 | Steel Stringer/Multi-beam or girder | -- | 1998 | -- | 136.2 | 142.1 | Good | 81.5 | 100000150179010 |
| NBI report | OLD BALTIMORE ROAD | JAMES CREEK | 1.2 MI. N. OF MD 108 | Steel Arch - Deck | -- | 1998 | -- | 39.0 | 39.4 | Good | 80.4 | 200000M-0319010 |
| NBI report | OLD BALTIMORE ROAD | JAMES CREEK TRIBUTARY | 1.2 MI. N. OF MD 108 | Steel Arch - Deck | -- | 1998 | -- | 27.9 | 30.8 | Fair | 80.4 | 200000M-0320010 |
| NBI report | WASHINGTONIAN BLVD | SAM EIG HIGHWAY | 0.5 MI WEST OF I-270 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1998 | -- | 86.9 | 180.1 | Good | 79.3 | 200000M-0257010 |
| NBI report | WHITES FERRY ROAD | BROAD RUN TRIBUTARY | 2 MI W OF JCT SR 109 | Prestressed Slab | -- | 1998 | -- | 45.9 | 48.9 | Good | 90.2 | 200000M-0188010 |
| NBI report | DENNIS AVENUE | SLIGO CREEK | 0.7 MI E OF JCT SR 97 | Prestressed Box beam or girders - Multiple | -- | 1999 | -- | 67.9 | 71.9 | Good | 96.6 | 200000M-0156010 |
| NBI report | DORSET AVENUE | WILLETT BRANCH | 1 MI N OF MD RTE 190 | Concrete Culvert | -- | 1999 | -- | 11.2 | 24.0 | Good | 99.8 | 200000M-0254020 |
| NBI report | ESWORTHY ROAD | MUDDY BRANCH | AT QUERY MILL ROAD | Steel Stringer/Multi-beam or girder | -- | 1999 | -- | 84.0 | 87.9 | Good | 80.4 | 200000M-0025010 |
| NBI report | MD 28 | BATCHELLORS RUN | 0.65 MILE WEST OF MD 182 | Concrete Culvert (3 spans) | -- | 1999 | -- | 9.8 | 33.1 | Good | 86.6 | 100000150065010 |
| NBI report | PRESERVE PARKWAY | TRIBUTARY TO CABIN JOHN | 0.1M S OF WOOTTON PKWY | Concrete Culvert | -- | 1999 | -- | 14.1 | 26.9 | Good | 84.7 | 200000M-R-22020 |
| NBI report | BROOKSIDE VISITORS | NORTHWEST BRANCH TRIBUTA | ENT. FROM GLENALLEN AVE. | Concrete Frame | -- | 1999 | 2015 | 24.0 | 24.0 | Good | 92.6 | 200000M-PK16010 |
| NBI report | CENTURION WAY | SANDY BRANCH | 3.3 MILES NORTH MD-190 | Steel Culvert | -- | 2000 | -- | 35.1 | 35.1 | Good | 80.0 | 200000M-0390010 |
| NBI report | IS 495 | MD 187 (OLD GEORGETOWN R | 1.1 MILES WEST OF MD 355 | Steel Stringer/Multi-beam or girder | -- | 2000 | -- | 134.8 | 134.8 | Good | 80.0 | 100000150115010 |
| NBI report | MD 28 | SENECA CREEK | 0.2 MILE EAST OF MD 107 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 2000 | -- | 200.1 | 526.9 | Good | 87.0 | 100000150002010 |
| NBI report | MD 355 | GREAT SENECA CREEK | 1.32 MILES N OF MD 124 | Steel Girder and floorbeam system (3 spans) | -- | 2000 | -- | 109.9 | 288.1 | Good | 78.0 | 100000150055010 |
| NBI report | PEACH TREE ROAD | CSXT RAILROAD | 1 MI S OF BARNESVILLE RD | Steel Stringer/Multi-beam or girder (3 spans) | -- | 2000 | -- | 67.9 | 149.0 | Good | 94.4 | 200000M-0150010 |
| NBI report | RICHTER FARM ROAD | TRIB TO LITTLE SENECA CR | 0.1 MILES SOUTH OF MD-117 | Steel Culvert | -- | 2000 | -- | 23.0 | 25.3 | Good | 83.6 | 200000M-0389010 |
| NBI report | MD 28 | BUCKHORN RUN | AT INTERSECTION OF MD 182 | Concrete Culvert (2 spans) | -- | 2001 | -- | 14.1 | 27.9 | Good | 70.0 | 100000150193020 |
| NBI report | STONEYBROOK DRIVE | CSXT RAILROAD | 0.1 MILE WEST OF MD 192 | Steel Stringer/Multi-beam or girder | -- | 2001 | -- | 69.9 | 74.2 | Good | 85.0 | 200000M-0076010 |
| NBI report | HAWKINS LANDING DR | GREAT SENECA CREEK TRIBU | .06 M W OF HAWK. CREAM. R | Steel Culvert | -- | 2002 | -- | 5.9 | 24.0 | Fair | 89.0 | 200000M-0317030 |
| NBI report | HOWARD CHAPEL RD | PATUXENT RIVER | 1.7 MI NORTH OF MD 650 | Steel Stringer/Multi-beam or girder | -- | 2002 | -- | 60.0 | 65.0 | Good | 89.3 | 200000M-0124010 |
| NBI report | IS 495 | SLIGO CREEK TRAIL | 0.507 M E OF BR NO 15130 | Prestressed Stringer/Multi-beam or girder | -- | 2002 | -- | 73.2 | 73.2 | Good | 80.0 | 100000150131010 |
| NBI report | KENDALE ROAD | KEN BRANCH | 0.4 MI NORTH OF MD 191 | Concrete Culvert | -- | 2002 | -- | 5.9 | 20.7 | Fair | 97.9 | 200000M-0316020 |
| NBI report | MD 187 | IS 270 | 0.404 M N/DEMOCRACY BLVD | Steel Stringer/Multi-beam or girder (2 spans) | -- | 2002 | -- | 109.9 | 221.1 | Good | 66.0 | 100000150079010 |
| NBI report | MD 187B(ROCKLEDGE) | 1S 270 | 0.29 MILE NORTH OF MD 187 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 2002 | -- | 86.0 | 173.9 | Good | 92.1 | 100000150168010 |
| NBI report | NORBECK RD & NORWO | NORTHWEST BRANCH | 0.7 MILES EAST OF MD 182 | Steel Stringer/Multi-beam or girder | -- | 2002 | -- | 83.0 | 87.9 | Good | 91.1 | 200000M-0159010 |
| NBI report | NORBECK ROAD | NURSERY RUN | 0.98 MILES EAST OF MD 182 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 2002 | -- | 85.0 | 174.9 | Good | 95.7 | 200000M-0307010 |
| NBI report | TACKBROOKE DRIVE | ROCK CRK NORTH BRANCH TR | N OF BOWIE MILL ROAD | Concrete Arch - Deck | -- | 2002 | -- | 28.9 | 30.2 | Fair | 94.5 | 200000M-0261010 |
| NBI report | US 29 NBR | MD 198 | 1.53 M S OF HOWARD CO LNE | Steel Stringer/Multi-beam or girder (2 spans) | -- | 2002 | -- | 115.2 | 214.9 | Good | 95.4 | 100000150183011 |
| NBI report | US 29 SBR | MD 198 | 1.53 M S OF HOWARD CO LNE | Concrete Girder and floorbeam system (2 spans) | -- | 2002 | -- | 115.2 | 214.9 | Good | 94.3 | 100000150183012 |
| NBI report | WICKHAM ROAD | ROCK CRK NORTH BRANCH TR | N OF BOWIE MILL ROAD | Steel Arch - Deck | -- | 2002 | -- | 29.9 | 30.8 | Good | 88.7 | 200000M-0259010 |
| NBI report | WICKHAM ROAD | TRIB. TO ROCK CREEK N. B | N OF BOWIE MILL ROAD | Steel Arch - Deck | -- | 2002 | -- | 22.0 | 22.3 | Good | 89.8 | 200000M-0260010 |
| NBI report | BETHESDA TROLLEY T | I-495 | 4.96 MI WEST OF I-270 | Steel Truss - Thru | -- | 2003 | -- | 189.0 | -- | -- | -- | 200000M-9042130 |
| NBI report | BETHESDA TROLLEY T | EAST SPUR OF I-270 | .695 MI NORTH OF I-495 | Steel Truss - Thru | -- | 2003 | -- | 162.1 | -- | -- | -- | 200000M-9043130 |
| NBI report | CLARKSBURG ROAD | BENNETT CREEK TRIBUTARY | 0.2 MI W BETHESDA CH RD | Prestressed Slab | -- | 2003 | -- | 40.0 | 44.0 | Good | 80.2 | 200000M-0007010 |
| NBI report | DUSTIN ROAD | US 29 | 0.05 M E OF COLUMBIA PIKE | Steel Girder and floorbeam system (2 spans) | -- | 2003 | -- | 103.0 | 211.0 | Good | 98.6 | 100000150185010 |
| NBI report | FALLSGROVE DRIVE | TRIBUTARY TO WATTS BRANC | 0.5M S OF MD 28 | Steel Arch - Deck | -- | 2003 | -- | 24.0 | 24.0 | Fair | 99.5 | 200000M-R-19010 |
| NBI report | MD 109 | BR OF LITTLE MONOCACY RI | 1.74 M S OFCOMUS ROAD | Concrete Culvert (2 spans) | -- | 2003 | -- | 13.1 | 26.9 | Good | 94.4 | 100000150070020 |
| NBI report | DEMOCRACY BLVD | IS 270Y | @ IS 270Y | Steel Stringer/Multi-beam or girder (2 spans) | -- | 2004 | -- | 122.1 | 246.1 | Good | 78.9 | 100000150097010 |
| NBI report | GOSHEN ROAD | CABIN BRANCH | 0.2 MI N OF CENTERWAY RD | Steel Stringer/Multi-beam or girder | -- | 2004 | -- | 48.9 | 54.1 | Good | 78.3 | 200000M-0061010 |
| NBI report | IS 270Y HOV RAMP | IS 270Y MEDIAN | AT WESTLAKE TERRACE | Steel Girder and floorbeam system (6 spans) | -- | 2004 | -- | 89.9 | 504.9 | Good | 86.2 | 100000150182010 |
| NBI report | MD 28 | MUDDY BRANCH | 0.03 MILE EAST OF MD 899A | Concrete Culvert | -- | 2004 | -- | 12.1 | 37.4 | Good | 82.2 | 100000150003020 |
| NBI report | MD 195 | LONG BRANCH | AT LONG BRANCH PARKWAY | Prestressed Slab | -- | 2005 | -- | 34.1 | 38.1 | Good | 78.6 | 100000150190010 |
| NBI report | PYRITE LANE | JAMES CREEK | 1.4 MILES EAST OF MD-97 | Steel Culvert | -- | 2005 | -- | 35.1 | 35.1 | Good | 91.3 | 200000M-0388010 |
| NBI report | DECOVERLY DRIVE | TRIBUTARY TO MUDDY BRANC | 0.7 MILES NORTH OF MD 28 | Concrete Arch - Deck | -- | 2006 | -- | 55.1 | 55.1 | Good | 80.0 | 200000M-0334010 |
| NBI report | HYATTSTOWN MILL RO | TRIBUTARY OF LITTLE BENN | 0.12 MI. E. OF JCT SR 355 | Concrete Arch - Deck | -- | 2006 | -- | 24.0 | 24.0 | Good | 82.0 | 200000M-PK21010 |
| NBI report | MD 929A | US 29 FUTURE RAMP E | 0.033 MILE WEST OF US 29 | Concrete Frame | -- | 2006 | -- | 22.0 | 28.9 | Fair | 88.3 | 100000150181040 |
| NBI report | MD 929A & MD 929B | US 29 | 0.17 MILE EAST OF MD 929C | Steel Stringer/Multi-beam or girder (2 spans) | -- | 2006 | -- | 83.0 | 170.9 | Good | 91.4 | 100000150180010 |
| NBI report | MUNCASTER ROAD | ROCK CREEK | 1 MILE NORTH OF MD 115 | Steel Stringer/Multi-beam or girder | -- | 2006 | -- | 58.1 | 63.7 | Good | 92.8 | 200000M-0058010 |
| NBI report | PRESERVE PARKWAY | CABIN JOHN CREEK | 0.2 MI E OF TOWER OAKS BL | Concrete Arch - Deck | -- | 2006 | -- | 43.0 | 43.0 | Good | 99.8 | 200000M-R-20010 |
| NBI report | SKYLARK ROAD | LITTLE SENECA CREEK | 0.7 MI WEST OF MD 27 | Steel Arch - Deck | -- | 2006 | -- | 45.9 | 45.9 | Fair | 87.4 | 200000M-0335010 |
| NBI report | WATKINS MILL ROAD | CSX RAILROAD | .28 MI. N. OF MD 117 | Steel Stringer/Multi-beam or girder | -- | 2006 | -- | 84.0 | 88.6 | Good | 68.0 | 200000M-0371010 |
| NBI report | BRIGGS CHANEY ROAD | US 29 | AT US 29 | Steel Stringer/Multi-beam or girder (20 spans) | -- | 2007 | -- | 100.1 | 183.1 | Good | 84.5 | 100000150186010 |
| NBI report | BRINK ROAD | TRIB TO GOSHEN BRANCH | 1.0 MILES WEST OF MD 124 | Prestressed Slab | -- | 2007 | -- | 48.9 | 52.8 | Good | 84.0 | 200000M-0063010 |
| NBI report | GRANITE ROCK ROAD | TRIBUTARY TO LITTLE SENE | 1 MI NORTHEAST OF MD 355 | Steel Culvert | -- | 2007 | -- | 25.9 | 30.8 | Fair | 100.0 | 200000M-0378010 |
| NBI report | MONTROSE PARKWAY | OLD FARM CREEK | 1.0 MILE EAST OF I-270 | Steel Stringer/Multi-beam or girder | -- | 2007 | -- | 84.0 | 88.9 | Good | 76.5 | 200000M-0331010 |
| NBI report | MONTROSE PARKWAY | OLD FARM CREEK TRIBUTARY | 1.0 MILE WEST OF I-270 | Concrete Arch - Deck | -- | 2007 | -- | 21.0 | 21.0 | Fair | 74.3 | 200000M-0332010 |
| NBI report | MOUTH OF MONOCACY | CSXT RAILROAD | 0.9 MILES WEST OF MD 28 | Steel Truss - Thru | -- | 2007 | -- | 86.9 | 92.9 | Fair | 71.8 | 200000M-0135010 |
| NBI report | BURNING TREE ROAD | BOOZE CREEK | 0.5 MILES SOUTH OF MD 191 | Prestressed Slab | -- | 2008 | -- | 37.1 | 40.0 | Good | 92.3 | 200000M-0112010 |
| NBI report | MONTROSE ROAD | OLD FARM CREEK | 0.5 MI. W. OF JEFFERSON | Steel Stringer/Multi-beam or girder | -- | 2008 | -- | 49.9 | 55.1 | Good | 85.0 | 200000M-0315010 |
| NBI report | NICHOLSON LANE | CSXT RAILROAD | 0.5 MILES EAST OF MD 355 | Steel Stringer/Multi-beam or girder | -- | 2008 | -- | 73.2 | 79.4 | Good | 69.9 | 200000M-0113010 |
| NBI report | DAHLGREN ROAD | PAINT BRANCH | GSA at White Oak, MD. I- | Steel Stringer/Multi-beam or girder (3 spans) | -- | 2009 | -- | 221.5 | 503.6 | Good | 99.0 | 2195001P000000 |
| NBI report | DRIVEWAY OFF AINTR | WATTS BRANCH | WOOTTONS MILL PARK | Prestressed Box beam or girders - Multiple | -- | 2009 | -- | 60.0 | 60.0 | Good | 80.3 | 200000M-R-18010 |
| NBI report | I-370 RAMP - B | CRABBS BRANCH WAY | 0.56 MI E OF MD 355 | Prestressed Stringer/Multi-beam or girder | -- | 2009 | -- | 86.0 | 88.9 | Good | 92.6 | 100000150196010 |
| NBI report | MD 355 | RELOCATED RANDOLPH ROAD | 2.5 MI N. OF I-495 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 2009 | -- | 92.9 | 180.1 | Good | 94.0 | 100000150194010 |
| NBI report | REDLAND ROAD | MD 200 (ICC) | 4.38 MI W OF MD 97 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 2009 | -- | 153.9 | 268.1 | Good | 91.4 | 300000M-V038010 |
| NBI report | EMORY LANE | MD 200 (ICC) | 0.93 MI W OF MD 97 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 2010 | -- | 144.0 | 293.0 | Good | 90.9 | 300000M-V073010 |
| NBI report | FATHER HURLEY BOUL | CSXT RAILROAD | NORTH OF MD 118 | Steel Stringer/Multi-beam or girder | -- | 2010 | -- | 87.9 | 93.2 | Good | 80.9 | 200000M-0341010 |
| NBI report | FDA BOULEVARD | TRIB TO PAINT BRANCH | .4 MI W OF CHERRY HILL RD | Concrete Arch - Deck (3 spans) | -- | 2010 | -- | 40.0 | 136.2 | Good | 62.3 | 200000M-0351010 |
| NBI report | I-370 EBR | IS-370 RP1, MD200 RP7 | 5.67 MI WEST OF MD 97 | Prestressed Stringer/Multi-beam or girder | -- | 2010 | -- | 115.2 | 118.1 | Good | 94.3 | 100000150197013 |
| NBI report | I-370 RAMP L(7) | I-370 RAMP M(3) | .23 MI E OF MD 355 | Steel Stringer/Multi-beam or girder | -- | 2010 | -- | 73.2 | 77.1 | Good | 96.2 | 100000150195010 |
| NBI report | I-370 WBR | IS-370 RP1, MD200 RP7 | 5.67 MI WEST OF MD97 | Prestressed Stringer/Multi-beam or girder | -- | 2010 | -- | 115.2 | 118.1 | Good | 94.3 | 100000150197014 |
| NBI report | IS 370 EBR | CRABBS BRANCH WAY | 5.84 MILE WEST OF MD 355 | Prestressed Girder and floorbeam system | -- | 2010 | -- | 86.0 | 88.9 | Good | 85.2 | 100000150150013 |
| NBI report | IS 370 WBR | CRABBS BRANCH WAY | 5.84 MILE WEST OF MD 97 | Prestressed Stringer/Multi-beam or girder | -- | 2010 | -- | 86.0 | 88.9 | Good | 90.6 | 100000150150014 |
| NBI report | JEB STUART TRAIL | TRIB TO LITTLE MONOCACY | 0.18 MI WEST OF MD RTE 28 | Concrete Arch - Deck | -- | 2010 | -- | 24.0 | 24.0 | Good | 98.0 | 200000M-PK25010 |
| NBI report | LAYHILL RD (MD182) | MD 200 (ICC) | 2.79 MI WEST OF MD650 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 2010 | -- | 119.1 | 231.0 | Good | 90.2 | 300000M-V104010 |
| NBI report | LONGMEAD CROSSING | MD 200 (ICC) | 3.61 MI WEST OF MD650 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 2010 | -- | 109.9 | 222.1 | Good | 96.6 | 300000M-V096010 |
| NBI report | MD 200 | MILL CREEK | 4.98 MI WEST OF MD 97 | Concrete Culvert | -- | 2010 | -- | -- | 42.0 | Good | 80.5 | 300000M-V032030 |
| NBI report | MD 200 | MILL CREEK TRIBUTARY | 4.56 MI WEST OF MD 97 | Concrete Culvert | -- | 2010 | -- | 46.9 | 46.9 | Good | 73.7 | 300000M-V036020 |
| NBI report | MD 200 (ICC) | ROCK CREEK | 3.30 MI W OF MD 97 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 2010 | -- | 120.1 | 305.1 | Good | 73.7 | 300000M-V049010 |
| NBI report | MD 200 (ICC) EB | SHADY GROVE ROAD | 4.86 MI W. OF MD 97 | Prestressed Stringer/Multi-beam or girder | -- | 2010 | -- | 140.1 | 143.1 | Good | 94.0 | 300000M-V033013 |
| NBI report | MD 200 (ICC) EB | NORTH BRANCH ROCK CREEK | 1.51 MI W OF MD 97 | Prestressed Stringer/Multi-beam or girder (2 spans) | -- | 2010 | -- | 154.9 | 291.0 | Good | 78.6 | 300000M-V067013 |
| NBI report | MD 200 (ICC) EB | TRIBUTARY OF NBRC | 1.34 MI W OF MD 97 | Prestressed Stringer/Multi-beam or girder (2 spans) | -- | 2010 | -- | 144.0 | 297.9 | Good | 98.1 | 300000M-V069013 |
| NBI report | MD 200 (ICC) EB | NORTHWEST BRANCH | 2.54 MI WEST OF MD650 | Prestressed Stringer/Multi-beam or girder (4 spans) | -- | 2010 | -- | 154.9 | 5810.3 | Good | 98.1 | 300000M-V107013 |
| NBI report | MD 200 (ICC) EB | BONIFANT ROAD & NW BRANC | 2.07 MI. WEST OF MD650 | Prestressed Stringer/Multi-beam or girder (6 spans) | -- | 2010 | -- | 154.9 | 892.1 | Good | 95.0 | 300000M-V112013 |
| NBI report | MD 200 (ICC) EB | NORTHWEST BRANCH | 1.40 MI WEST OF MD 650 | Steel Stringer/Multi-beam or girder (5 spans) | -- | 2010 | -- | 248.0 | 1140.1 | Good | 98.1 | 300000M-V118013 |
| NBI report | MD 200 (ICC) EB | GOOD HOPE TRIBUTARY | 0.48 MI EAST OF MD650 | Prestressed Stringer/Multi-beam or girder (5 spans) | -- | 2010 | -- | 165.0 | 597.1 | Good | 98.2 | 300000M-V137013 |
| NBI report | MD 200 (ICC) EB | GUM SPRINGS & PAINT BRAN | 1.40 MI EAST OF MD650 | Prestressed Stringer/Multi-beam or girder (10 spans) | -- | 2010 | -- | 165.0 | 1267.1 | Good | 98.2 | 300000M-V146013 |
| NBI report | MD 200 (ICC) RAMP | MD 200 (ICC) RAMP SE | 0.2 MILES WEST OF US | Prestressed Stringer/Multi-beam or girder | -- | 2010 | -- | 55.1 | 60.0 | Good | 99.4 | 300000M-V158010 |
| NBI report | MD 200 (ICC) RPES | MD 200 (ICC) RAMP SB | 0.10 MI. WEST OF US | Prestressed Stringer/Multi-beam or girder | -- | 2010 | -- | 96.1 | 106.0 | Good | 81.3 | 300000M-V162010 |
| NBI report | MD 200 (ICC) WB | SHADY GROVE ROAD | 4.86 MI W. OF MD 97 | Prestressed Stringer/Multi-beam or girder | -- | 2010 | -- | 140.1 | 143.1 | Good | 94.1 | 300000M-V033014 |
| NBI report | MD 200 (ICC) WB | TRIBUTARY OF NBRC | 1.34 MI W OF MD 97 | Prestressed Stringer/Multi-beam or girder (2 spans) | -- | 2010 | -- | 144.0 | 297.9 | Good | 98.1 | 300000M-V069014 |
| NBI report | MD 200 (ICC) WB | NORTHWEST BRANCH | 2.54 MI WEST OF MD650 | Prestressed Stringer/Multi-beam or girder (4 spans) | -- | 2010 | -- | 154.9 | 581.1 | Good | 98.2 | 300000M-V107014 |
| NBI report | MD 200 (ICC) WB | BONIFANT ROAD & NW BRANC | 2.07 MI WEST OF MD 650 | Prestressed Stringer/Multi-beam or girder (6 spans) | -- | 2010 | -- | 154.9 | 892.1 | Good | 95.0 | 300000M-V112014 |
| NBI report | MD 200 (ICC) WB | NORTHWEST BRANCH | 1.40 MI WEST OF MD650 | Steel Stringer/Multi-beam or girder (6 spans) | -- | 2010 | -- | 234.9 | 1140.1 | Good | 98.2 | 300000M-V118014 |
| NBI report | MD 200 (ICC) WB | GOOD HOPE TRIBUTARY | 0.45 MI EAST OF MD650 | Prestressed Stringer/Multi-beam or girder (5 spans) | -- | 2010 | -- | 165.0 | 597.1 | Good | 98.2 | 300000M-V137014 |
| NBI report | MD 200 (ICC) WB | GUM SPRINGS & PAINT BRAN | 1.40 MI EAST OF MD65 | Prestressed Stringer/Multi-beam or girder (8 spans) | -- | 2010 | -- | 170.9 | 1267.1 | Good | 98.2 | 300000M-V146014 |
| NBI report | MD 97 NB | MD 200 (ICC) | 0.59 MI NORTH OF MD 28 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 2010 | -- | 128.0 | 255.9 | Good | 92.7 | 300000M-V082011 |
| NBI report | MD 97 SB | MD 200 (ICC) | 0.59 MI NORTH OF MD 28 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 2010 | -- | 128.0 | 255.9 | Good | 92.2 | 300000M-V082012 |
| NBI report | MD200 (ICC) WB | NORTH BRANCH ROCK CREEK | 1.51 MI W OF MD 97 | Prestressed Stringer/Multi-beam or girder (2 spans) | -- | 2010 | -- | 154.9 | 291.0 | Good | 98.1 | 300000M-V067014 |
| NBI report | MUNCASTER MILL RD | MD 200 (ICC) | 2.33 MI W OF MD 97 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 2010 | -- | 129.9 | 258.9 | Good | 85.4 | 300000M-V059010 |
| NBI report | NEEDWOOD ROAD | MD 200 (ICC) | 2.88 MI W OF MD 97 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 2010 | -- | 113.9 | 222.1 | Good | 95.6 | 300000M-V053010 |
| NBI report | NEW HAMPSHIRE AVE | MD 200 (ICC) | 5.03 MI EAST OF MD97 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 2010 | -- | 85.0 | 174.9 | Good | 87.9 | 300000M-V132010 |
| NBI report | NORBECK RD (MD28) | MD 200 (ICC) | 4.1 MI WEST OF MD 65 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 2010 | -- | 152.9 | 297.9 | Good | 66.2 | 300000M-V091010 |
| NBI report | NOTLEY ROAD | MD 200 (ICC) | 0.76 MI WEST OF MD 650 | Stringer/Multi-beam or girder (2 spans) | -- | 2010 | -- | 117.1 | 232.0 | Good | 97.5 | 300000M-V125010 |
| NBI report | OLD COLUMBIA PIKE | MD-200 & RAMPS SW & EN | 0.18 MI. WEST OF US | Steel Stringer/Multi-beam or girder (4 spans) | -- | 2010 | -- | 100.1 | 382.9 | Good | 97.2 | 300000M-V157010 |
| NBI report | OLDE MILL RUN ROAD | MD200 (ICC) | 3.63 MI W OF MD 97 | Prestressed Box beam or girders - Multiple (2 spans) | -- | 2010 | -- | 74.2 | 138.1 | Good | 95.7 | 300000M-V046010 |
| NBI report | BRIGGS CHANEY ROAD | MD 200 (ICC) | 0.75 MI E OF US 29 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 2011 | -- | 141.1 | 276.9 | Fair | 96.2 | 300000M-V168010 |
| NBI report | CLARKSBURG ROAD | BENNETT CREEK | 2.2 MI SW OF JCT SR 80 | Prestressed Slab | -- | 2011 | -- | 25.9 | 29.9 | Good | 78.4 | 200000M-0009010 |
| NBI report | FOREMAN BOULEVARD | TRIB TO LITTLE SENECA CR | E. OF FREDERICK ROAD | Steel Culvert | -- | 2011 | -- | 26.9 | 125.0 | Good | 99.5 | 200000M-0370030 |
| NBI report | LITTLE SENECA PKWY | LITTLE SENECA CREEK TRIB | 0.5 MI. E. OF MD 355 | Concrete Culvert | -- | 2011 | -- | 6.9 | 24.9 | Good | 83.8 | 200000M-0374020 |
| NBI report | MD 200 (ICC) EB | US 29 & RAMP SE, NB&EB | 0.5 MI. SOUTH OF BRI | Steel Stringer/Multi-beam or girder (2 spans) | -- | 2011 | -- | 185.0 | 358.0 | Good | 96.0 | 300000M-V160013 |
| NBI report | MD 200 (ICC) EB | RAMP NW | 0.4 MI. SOUTH OF BRI | Prestressed Stringer/Multi-beam or girder | -- | 2011 | -- | 87.9 | 94.2 | Good | 97.9 | 300000M-V161013 |
| NBI report | MD 200 (ICC) WB | US 29 & RAMP SE, NB&EB | 0.5 MI. SOUTH OF BRI | Steel Stringer/Multi-beam or girder (2 spans) | -- | 2011 | -- | 188.0 | 363.9 | Good | 96.0 | 300000M-V160014 |
| NBI report | MD 200 (ICC) WB | RAMP NW | 0.4 MI. SOUTH OF BRI | Prestressed Stringer/Multi-beam or girder | -- | 2011 | -- | 87.9 | 94.2 | Good | 97.0 | 300000M-V161014 |
| NBI report | RAMP EN | MD 200 (ICC),US29, RP SE | MD200EB RAMP EN TO U | Steel Stringer/Multi-beam or girder (6 spans) | -- | 2011 | -- | 254.9 | 1341.9 | Good | 80.0 | 300000M-V164010 |
| NBI report | RAMP ES | RAMP SE | 0.12 MILES WEST OF U | Prestressed Stringer/Multi-beam or girder | -- | 2011 | -- | 69.9 | 76.1 | Good | 80.3 | 300000M-V159010 |
| NBI report | RAMP NW TO MD200WB | US29, RAMP NB&SE, MD200 | 0.4 MI. SOUTH OF BRI | Steel Stringer/Multi-beam or girder (3 spans) | -- | 2011 | -- | 143.1 | 403.9 | Good | 76.0 | 300000M-V165020 |
| NBI report | RAMP WN | RAMP NW | 0.3 MILES SOUTH OF BRIG | Prestressed Stringer/Multi-beam or girder | -- | 2011 | -- | 94.2 | 102.0 | Good | 88.7 | 300000M-V169010 |
| NBI report | RAMP WN TO MD200 | RAMP NB | 0.8 MI. SOUTH OF BRI | Steel Stringer/Multi-beam or girder | -- | 2011 | -- | 213.9 | 221.1 | Good | 73.6 | 300000M-V166020 |
| NBI report | RAMP WS | MD 200 (ICC)/US29, RP EB | 1.0 MI. EAST OF OLD | Steel Stringer/Multi-beam or girder (5 spans) | -- | 2011 | -- | 265.1 | 1226.1 | Good | 95.8 | 300000M-V163010 |
| NBI report | RAMP WS & WN | RAMP NW | 0.5 SOUTH OF BRIGGS | Prestressed Stringer/Multi-beam or girder | -- | 2011 | -- | 116.1 | 123.0 | Good | 74.0 | 300000M-V167010 |
| NBI report | SNOWDEN FARM PARKW | LITTLE SENECA CREEK | N. OF FREDERICK ROAD | Steel Culvert | -- | 2011 | -- | 29.9 | 31.2 | Good | 84.0 | 200000M-0366030 |
| NBI report | SNOWDEN FARM PARKW | TRIB TO LITTLE SENECA CR | N. OF FREDERICK ROAD | Steel Culvert | -- | 2011 | -- | 24.9 | 25.3 | Good | 84.0 | 200000M-0367030 |
| NBI report | WHITE GROUND ROAD | BUCKLODGE BRANCH | 2 MILES NORTH OF MD 28 | Prestressed Box beam or girders - Multiple | -- | 2012 | -- | 47.9 | 52.2 | Good | 85.9 | 200000M-0138010 |
| NBI report | JERUSALEM ROAD | DRY SENECA CREEK | 0.37 MILES EAST OF MD 109 | Concrete Culvert | -- | 2013 | -- | 7.9 | 27.2 | Good | 85.4 | 200000M-0326020 |
| NBI report | CENTURY BOULEVARD | TRIB TO LITTLE SENECA CR | 0.3 MILES WEST OF I-270 | Steel Culvert | -- | 2014 | -- | 53.2 | 53.2 | Good | 99.5 | 200000M-0387010 |
| NBI report | LITTLE SENECA PKWY | LITTLE SENECA CREEK | 0.1 MI. E. OF MD 355 | Prestressed Stringer/Multi-beam or girder | -- | 2014 | -- | 128.0 | 134.8 | Good | 81.7 | 200000M-0373010 |
| NBI report | WHITES FERRY ROAD | BROAD RUN TRIBUTARY | 0.3 MI E OF WASCHE ROAD | Prestressed Slab | -- | 2014 | -- | 45.9 | 45.9 | Good | 94.5 | 200000M-0187010 |
| NBI report | WHITES FERRY ROAD | BROAD RUN TRIBUTARY | 1 MI W OF ELGIN ROAD | Prestressed Slab | -- | 2014 | -- | 24.0 | 24.0 | Good | 94.4 | 200000M-0189010 |
| NBI report Bridgehunter | ELMHIRST PARKWAY | ROCK CREEK TRIBUTARY | 0.3 MI N OF CEDAR LANE | Concrete Arch - Deck | -- | 2016 | -- | 16.1 | 20.7 | Good | 93.9 | 200000M-PK13010 |
| NBI report | WEST OLD BALTIMORE | CABIN BRANCH | 0.5 MI EAST OF MD 121 | Steel Culvert | -- | 2016 | -- | 19.0 | 20.3 | Good | 99.5 | 200000M-0376030 |
| NBI report | FIRST STREET | ROCK CREEK TRIBUTARY | 0.07 MILE WEST OF MD28 | Prestressed Slab | -- | 2017 | -- | 24.9 | 24.9 | Good | 99.5 | 200000M-R-24010 |
| NBI report | MD 121 | IS 270 | 0.64 MILE SOUTH OF MD 355 | Steel Girder and floorbeam system (2 spans) | -- | 2017 | -- | 145.0 | 295.0 | Good | 0.0 | 100000150038010 |
| NBI report | PENNYFIELD LOCK RO | UNNAMED TRIBUTARY | 0.8 MI S OF RIVER ROAD | Prestressed Slab | -- | 2017 | -- | 29.9 | 35.1 | Good | 78.8 | 200000M-0198010 |
| NBI report | PINEY MEETINGHOUSE | WATTS BRANCH | 0.8 MILES NORTH OF MD 190 | Concrete Tee beam | -- | 2017 | -- | 70.9 | 73.2 | Good | 96.1 | 200000M-0021010 |
| NBI report | STRINGTOWN ROAD | TRIBUTARY TO LITTLE SENE | 0.5 MI NE OF JCT SR 355 | Concrete Culvert | -- | 2017 | -- | 18.0 | 35.4 | Good | 99.8 | 200000M-0221020 |
| NBI report | TIVOLI LAKE BLVD | BEL PRE CREEK | 1.7 MILE EAST OF MD 97 | Concrete Arch - Deck | -- | 2017 | -- | 65.0 | 65.0 | Good | 100.0 | 200000M-0375010 |