| Carries | Crosses | Location | Design | Status | Year Built | Year Recon. | Span Len. | Total Len. | Condition | Suff. Rating | ID | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NBI report Bridgehunter | STATE ROUTE 211 | EEL RIVER | 01-HUM-211-78.10 | Concrete Arch - Deck (7 spans) | NR listed | 1911 | 1918 | 194.9 | 2408.3 | Fair | 31.8 | 04 0134 |
| NBI report Bridgehunter | ROHNERVILLE ROAD | STRONGS CREEK | 0.3 MI W OF NEWBURG RD | Concrete Tee beam | -- | 1915 | 1979 | 39.4 | 42.0 | Good | 83.9 | 04C0211 |
| NBI report Bridgehunter | CHEZEM RD | REDWOOD CREEK | 1.5 MI E HIGHWAY 299 | Steel Truss - Thru | -- | 1916 | -- | 120.1 | 124.0 | Fair | 43.8 | 04C0121 |
| NBI report | GRIZZLY BLUFF ROAD | WILLIAMS CREEK | 1 MI EAST OF ROUTE 211 | Concrete Tee beam | -- | 1920 | -- | 40.0 | 41.0 | Poor | 18.6 | 04C0209 |
| NBI report Bridgehunter | MATTOLE RD | MATTOLE RIVER | E OF JCT WILDER RIDGE RD | Steel Truss - Thru (2 spans) | NR eligible | 1920 | -- | 190.0 | 386.2 | Fair | 7.0 | 04C0055 |
| NBI report | US HIGHWAY 101 SB | JACOBY CREEK | 01-HUM-101-84.50-ARC | Concrete Tee beam (3 spans) | -- | 1920 | 1955 | 24.0 | 73.2 | Poor | 65.5 | 04 0023L |
| NBI report | HOOKTON ROAD | SALMON CREEK | 0.1 MI W EEL RIVER DR | Concrete Tee beam | -- | 1922 | -- | 36.1 | 39.0 | Poor | 52.6 | 04C0201 |
| NBI report | MAIN STREET | ROHNER CREEK | JUST EAST OF 16TH STREET | Concrete Tee beam | -- | 1922 | 1948 | 25.3 | 26.2 | Fair | 59.9 | 04C0103 |
| NBI report | ELK RIVER ROAD | NORTH FORK ELK RIVER | JUST S/O WRIGLEY RD | Concrete Tee beam (3 spans) | -- | 1923 | -- | 48.9 | 95.1 | Poor | 21.1 | 04C0057 |
| NBI report Bridgehunter | MAPLE CREEK ROAD | BOULDER CREEK | 1/4 MI E BUTLER VLY RD | Concrete Arch - Deck | -- | 1923 | -- | 60.0 | 63.3 | Poor | 35.1 | 04C0062 |
| NBI report Bridgehunter | LINDLEY ROAD | MATTOLE RIVER | 0.5 MI NE MATTOLE RD | Steel Suspension | NR eligible | 1925 | -- | 230.0 | 232.0 | Fair | 19.6 | 04C0075 |
| NBI report | MATTOLE RD | DOMINGO CREEK | 21.2 MI N/O HONEYDEW | Concrete Tee beam | -- | 1926 | -- | 30.8 | 32.2 | Fair | 42.0 | 04C0168 |
| NBI report Bridgehunter | OLD MATTOLE RD | MCNUTT CREEK | 0.49 MI N OF MATTOLE RD | Steel Truss - Thru | -- | 1926 | -- | 84.0 | 84.0 | Fair | 62.2 | 04C0069 |
| NBI report | STATE ROUTE 36 | HELY CREEK | 01-HUM-036-11.46 | Concrete Tee beam | -- | 1927 | -- | 38.1 | 41.0 | Good | 56.9 | 04 0092 |
| NBI report | WEST END ROAD | WARREN CREEK | 0.2 MI S WARREN CREEK RD | Concrete Tee beam | -- | 1927 | -- | 26.9 | 29.9 | Fair | 52.0 | 04C0206 |
| NBI report Bridgehunter | ETSBRG HNYDEW RD | MATTOLE RIVER | 5.77 MI N/O THORNE RD | Concrete Arch - Deck | -- | 1928 | -- | 95.1 | 103.0 | Fair | 50.6 | 04C0174 |
| NBI report Bridgehunter | MAPLE CREEK ROAD | NORTH FORK MAD RIVER | IN KORBEL | Concrete Arch - Thru | NR eligible | 1928 | -- | 144.0 | 429.2 | Fair | 54.2 | 04C0026 |
| NBI report Bridgehunter | BUTLER VALLEY RD | MAPLE CREEK | 0.2 MI W/O MAPLE CRK RD | Concrete Arch - Deck | -- | 1929 | -- | 60.0 | 82.0 | Good | 52.2 | 04C0187 |
| NBI report | EEL RIVER DRIVE | SALMON CREEK | 0.2 MI S OF US 101 | Concrete Tee beam (2 spans) | -- | 1929 | -- | 28.9 | 62.0 | Good | 67.6 | 04C0092 |
| NBI report | TOMPKINS HILL ROAD | SALMON CREEK | 0.8 MI SOUTH OF ROUTE 345 | Concrete Tee beam | -- | 1929 | -- | 38.1 | 43.0 | Good | 60.0 | 04C0200 |
| NBI report | US HIGHWAY 101 NB | WEST END RD,CREEK, NCRRA | 01-HUM-101-87.84-ARC | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1929 | 1995 | 47.9 | 265.1 | Fair | 63.4 | 04 0079R |
| NBI report | COFFEE CREEK ROAD | PERRY SLOUGH | 0.2 MI SOUTH OF RTE 211 | Concrete Tee beam (3 spans) | -- | 1931 | -- | 29.9 | 89.9 | Poor | 32.0 | 04C0170 |
| NBI report | STATE ROUTE 254 | SOUTH FORK EEL RIVER | 01-HUM-254-20.64 | Prestressed Stringer/Multi-beam or girder | -- | 1931 | 1966 | 200.1 | 633.9 | Fair | 81.3 | 04 0010 |
| NBI report Bridgehunter | LAKE BENBOW DR | E BR SOUTH FORK EEL RIV | 0.5 MI N SR 101 | Concrete Arch - Deck | NR listed | 1932 | 1939 | 102.0 | 257.9 | Good | 56.7 | 04C0155 |
| NBI report | REDWOOD DR | DEAN CREEK | N/O REDWAY ADJ TO US 101 | Concrete Tee beam (3 spans) | -- | 1933 | -- | 44.0 | 131.9 | Fair | 49.4 | 04C0158 |
| NBI report Bridgehunter | SMITH POINT | SOUTH FORK EEL RIVER | OLD SMITH POINT | Steel Stringer/Multi-beam or girder (4 spans) | NR eligible | 1934 | -- | 120.1 | 555.1 | Fair | 95.0 | 04C0239 |
| NBI report | RED CAP ROAD | BIG ROCK GULCH | 1/3 MI SW HIGHWAY 96 | Steel Stringer/Multi-beam or girder | -- | 1934 | 1974 | 30.8 | 33.1 | Fair | 46.1 | 04C0117 |
| NBI report | 12TH ST | ROHNER CREEK | 0.1 MILE NORTH NEWBURG RD | Concrete Culvert (3 spans) | -- | 1935 | -- | 9.8 | 33.1 | Good | 76.4 | 04C0235 |
| NBI report Bridgehunter | BRICELAND RD | REDWOOD CREEK | 10 MI E SHELTER COVE RD | Concrete Arch - Deck | -- | 1935 | -- | 69.9 | 74.2 | Poor | 46.7 | 04C0003 |
| NBI report Bridgehunter | MATTOLE ROAD | MATTOLE RIVER | 8.0 MI N/O HONEYDEW | Concrete Arch - Deck | NR eligible | 1935 | -- | 149.9 | 166.0 | Good | 52.0 | 04C0189 |
| NBI report Bridgehunter | BERTA RD | ELK RIVER | 0.14 MI W ELK RIVER RD | Wood Truss - Thru | -- | 1936 | -- | 52.2 | 128.3 | Fair | 48.3 | 04C0047 |
| NBI report Bridgehunter | ZANES RD | ELK RIVER | 0.1 MI W ELK RIVER RD | Wood Truss - Thru | -- | 1936 | -- | 52.2 | 125.3 | Fair | 43.6 | 04C0048 |
| NBI report | ALDERPOINT RD | SOUTH DOBBYN CREEK | 2.1 MI N ALDERPOINT | Concrete Tee beam | -- | 1937 | -- | 56.1 | 58.1 | Fair | 55.8 | 04C0169 |
| NBI report Bridgehunter | BUTLER VALLEY RD | MAD RIVER | 0.1 MI E/O BLACK CRK LN | Concrete Arch - Deck | -- | 1937 | 1965 | 132.9 | 204.1 | Fair | 55.5 | 04C0052 |
| NBI report | BRICELAND ROAD | REDWOOD CREEK (REDWAY) | WHITTEMORE STATE PARK | Concrete Tee beam (3 spans) | -- | 1938 | -- | 60.0 | 101.1 | Good | 65.5 | 04P0001 |
| NBI report Bridgehunter | STATE ROUTE 254 | BRIDGE CREEK | 01-HUM-254-10.80 | Concrete Tee beam (6 spans) | -- | 1938 | -- | 40.0 | 160.1 | Good | 76.2 | 04 0009 |
| NBI report | BRICELAND-THORNE | REDWOOD CREEK | 3.3 MI W JCT US 101 | Concrete Tee beam (2 spans) | -- | 1938 | 1959 | 56.1 | 99.1 | Fair | 28.9 | 04C0001 |
| NBI report Bridgehunter | STATE ROUTE 254 | OHMAN CREEK | 01-HUM-254-0.88 | Concrete Tee beam (5 spans) | -- | 1939 | -- | 43.0 | 160.1 | Good | 70.5 | 04 0007 |
| NBI report | STATE ROUTE 254 | BEAR CREEK | 01-HUM-254-43.02 | Concrete Tee beam (5 spans) | -- | 1939 | -- | 53.2 | 174.9 | Good | 69.9 | 04 0012 |
| NBI report Bridgehunter | STATE ROUTE 254 | ELK CREEK | 01-HUM-254-10.43 | Concrete Slab (5 spans) | -- | 1940 | -- | 40.0 | 120.1 | Good | 73.3 | 04 0008 |
| NBI report | PRICE CREEK ROAD | PRICE CREEK | 0.2 MI W/O BLUE SLIDE RD | Steel Stringer/Multi-beam or girder | -- | 1940 | 1951 | 54.1 | 56.1 | Fair | 45.4 | 04C0194 |
| NBI report Bridgehunter | STATE ROUTE 283 | EEL RIVER & NWP RR | 01-HUM-283-0.12 | Steel Truss - Thru (3 spans) | -- | 1941 | -- | 321.9 | 1195.9 | Fair | 47.7 | 04 0015 |
| NBI report Bridgehunter | US HIGHWAY 101 NB | EEL RIVER | 01-HUM-101-M53.91-RDEL | Steel Truss - Thru (2 spans) | -- | 1941 | 1989 | 304.1 | 1643.1 | Fair | 58.3 | 04 0016R |
| NBI report Bridgehunter | US HIGHWAY 101 SB | EUREKA SLOUGH | 01-HUM-101-79.78-EUR | Steel Truss - Thru (2 spans) | -- | 1943 | -- | 102.0 | 883.9 | Poor | 39.8 | 04 0022L |
| NBI report | STATE ROUTE 299 | MAD RIVER | 01-HUM-299-R1.55 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1948 | 2003 | 149.9 | 517.4 | Good | 78.1 | 04 0036R |
| NBI report | BRICELAND ROAD | REDWOOD CREEK | 0.1 MI E BRICELND THO RD | Concrete Slab (2 spans) | -- | 1949 | -- | 38.1 | 78.1 | Good | 60.4 | 04C0212 |
| NBI report | FORTUNA BOULEVARD | STRONGS CREEK | 0.2 MI N/O KENMAR RD | Concrete Culvert | -- | 1949 | -- | 27.9 | 29.5 | Fair | 80.0 | 04C0100 |
| NBI report | HOWARD HEIGHTS RD | FRESHWATER CREEK | 0.01 MI SW FRESHWATER RD | Concrete Slab (3 spans) | -- | 1949 | -- | 38.1 | 96.1 | Good | 45.5 | 04C0049 |
| NBI report | KNEELAND ROAD | LAWRENCE CREEK | 26.1 MI NE/O BRIDGEVILLE | Concrete Tee beam | -- | 1949 | -- | 56.1 | 58.1 | Fair | 87.3 | 04C0041 |
| NBI report | STATE ROUTE 96 | CAMP CREEK | 01-HUM-096-R37.25 | Steel Stringer/Multi-beam or girder | -- | 1949 | -- | 89.9 | 147.3 | Fair | 50.0 | 04 0066 |
| NBI report Bridgehunter | STATE ROUTE 96 | KLAMATH RIVER | 01-HUM-096-22.95 | Steel Truss - Deck (3 spans) | -- | 1949 | -- | 294.0 | 542.0 | Good | 79.4 | 04 0144 |
| NBI report | ZENIA BLUFF RD | SOUTH DOBBYN CREEK | 2 MI E/O ALDERPOINT RD | Concrete Tee beam (2 spans) | -- | 1949 | -- | 55.1 | 89.9 | Fair | 73.2 | 04C0064 |
| NBI report | BAIR ROAD | SUPPLY CREEK | 2 MI W OF LOOP RD | Steel Stringer/Multi-beam or girder | -- | 1950 | -- | 39.0 | 41.0 | Fair | 84.5 | 04C0115 |
| NBI report | ISHI PISHI RD | RANGER FLAT DRAW | 0.3 MI N JCT SR 96 | Steel Stringer/Multi-beam or girder | -- | 1950 | -- | 48.9 | 51.8 | Fair | 67.8 | 04C0181 |
| NBI report | PINE CREEK RD | SOCTISH CREEK | 2.9 MI N OF BAIR RD | Concrete Slab (4 spans) | -- | 1950 | -- | 25.9 | 95.1 | Fair | 71.9 | 04C0108 |
| NBI report | WILLIAMS CREEK RD | WILLIAMS CREEK | 1.6 MI S GRIZZLY BLUFF RD | Concrete Slab | -- | 1950 | -- | 37.7 | 39.4 | Good | 89.7 | 04C0208 |
| NBI report Bridgehunter | BAIR ROAD | REDWOOD CREEK | 3.4 MI N/O SR 299 | Steel Truss - Thru | -- | 1950 | 1967 | 100.1 | 144.0 | Fair | 43.7 | 04C0116 |
| NBI report | FULMOR ROAD | SALT RIVER | NORTH OF KENYON ROAD | Concrete Tee beam (11 spans) | -- | 1950 | 1978 | 20.0 | 407.2 | Fair | 58.6 | 04C0029 |
| NBI report | U.S. HIGHWAY 101 | REDWOOD CREEK OVERFLOW | 01-HUM-101-120.02 | Concrete Slab (3 spans) | -- | 1950 | 1979 | 32.2 | 65.0 | Good | 82.1 | 04 0034 |
| NBI report | FIELDBROOK RD | SQUAW CREEK | 2.9 MI N/E OF RTE 299 | Concrete Slab | -- | 1951 | -- | 26.9 | 28.9 | Good | 55.4 | 04C0203 |
| NBI report | MAPLE CREEK RD | CANYON CREEK | 7.25 MI S INTX SR 299 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1951 | -- | 75.1 | 165.0 | Poor | 65.2 | 04C0039 |
| NBI report | STATE ROUTE 211 | SALT RIVER | 01-HUM-211-R75.15 | Concrete Slab (11 spans) | -- | 1951 | 1970 | 33.1 | 361.9 | Poor | 47.0 | 04 0131 |
| NBI report | ALDERPOINT ROAD | COOPER CREEK | 30.4 MI E/N S.H. 101 | Concrete Slab | -- | 1952 | -- | 26.9 | 27.9 | Fair | 54.2 | 04C0166 |
| NBI report | BRICELAND-THORNE | MCKEE CREEK | 0.1 MI S/O SHELTER COVE | Concrete Tee beam | -- | 1952 | -- | 44.3 | 45.9 | Fair | 47.1 | 04C0191 |
| NBI report | CENTERVILLE ROAD | FLEENER CREEK | 2.3 MI WEST OF POOLE RD | Concrete Slab | -- | 1952 | -- | 38.1 | 39.4 | Good | 83.7 | 04C0175 |
| NBI report | NISSEN LANE | NISSEN SLOUGH | 0.7 MI NORTH OF GOBLE LN | Concrete Slab (4 spans) | -- | 1952 | -- | 20.0 | 81.4 | Poor | 45.7 | 04C0215 |
| NBI report | US HIGHWAY 101 NB | VAN DUZEN RIVER OVERFLOW | 01-HUM-101-57.36 | Concrete Slab (3 spans) | -- | 1952 | 1992 | 24.0 | 63.0 | Good | 97.4 | 04 0031R |
| NBI report | US HIGHWAY 101 SB | VAN DUZEN RIVER OVERFLOW | 01-HUM-101-57.36 | Concrete Slab (3 spans) | -- | 1952 | 1992 | 24.0 | 63.0 | Good | 97.4 | 04 0031L |
| NBI report | PRICE CREEK ROAD | PRICE CREEK | 2.0 MI W BLUE SLIDE ROAD | Steel Stringer/Multi-beam or girder | -- | 1953 | 1990 | 40.0 | 42.7 | Fair | 55.5 | 04C0195 |
| NBI report | MAPLE CREEK RD | MAPLE CREEK | 12.5 MI SE OF KORBEL | Steel Stringer/Multi-beam or girder | -- | 1955 | -- | 60.0 | 62.7 | Poor | 51.5 | 04C0061 |
| NBI report | PINE HILL RD | MARTIN SLOUGH | 0.2 MI E/O ELK RIVER RD | Wood Stringer/Multi-beam or girder (3 spans) | -- | 1955 | -- | 20.0 | 63.0 | Poor | 42.6 | 04C0173 |
| NBI report | US HIGHWAY 101 NB | JACOBY CREEK | 01-HUM-101-84.50-ARC | Concrete Slab (3 spans) | -- | 1955 | -- | 24.0 | 75.1 | Good | 94.3 | 04 0023R |
| NBI report | US HIGHWAY 101 NB | GANNON SLOUGH | 01-HUM-101-84.70-ARC | Concrete Slab (4 spans) | -- | 1955 | -- | 21.0 | 76.1 | Fair | 74.7 | 04 0024R |
| NBI report | STATE ROUTE 299 | WILLOW CREEK | 01-HUM-299-34.56 | Concrete Tee beam (3 spans) | -- | 1955 | 2005 | 80.1 | 162.1 | Fair | 64.6 | 04 0162 |
| NBI report | MYRTLE AVE | RYAN SLOUGH | 2.9 MI E INTX WTH SR 101 | Concrete Slab (8 spans) | -- | 1955 | 2009 | 21.0 | 161.1 | Good | 79.3 | 04C0083 |
| NBI report | MATTOLE RD | BULL CREEK | 5.3 MI W/O RTE 101 | Concrete Tee beam | -- | 1956 | -- | 80.1 | 85.0 | Fair | 84.7 | 04P0004 |
| NBI report | US HIGHWAY 101 NB | EUREKA SLOUGH | 01-HUM-101-79.78-EUR | Prestressed Stringer/Multi-beam or girder | -- | 1956 | -- | 105.0 | 946.9 | Good | 74.9 | 04 0022R |
| NBI report | US HIGHWAY 101 SB | ELK RIVER | 01-HUM-101-74.60 | Prestressed Slab (5 spans) | -- | 1956 | 1983 | 34.8 | 183.7 | Fair | 84.3 | 04 0021L |
| NBI report | U.S. HIGHWAY 101 | TURNER DRAW | 01-HUM-101-89.18 | Concrete Tee beam (3 spans) | -- | 1956 | 1988 | 44.0 | 112.2 | Fair | 79.0 | 04 0084 |
| NBI report | US HIGHWAY 101 SB | WEST END RD,CREEK, NCRRA | 01-HUM-101-87.84-ARC | Concrete Tee beam (7 spans) | -- | 1956 | 1991 | 53.2 | 264.1 | Fair | 70.1 | 04 0079L |
| NBI report | STATE ROUTE 299 | US HIGHWAY 101 | 01-HUM-299-0.01-ARC | Prestressed Tee beam | -- | 1956 | 1992 | 46.9 | 154.9 | Good | 80.9 | 04 0161 |
| NBI report | STATE ROUTE 299 | EAST FORK WILLOW CREEK | 01-HUM-299-33.21 | Concrete Tee beam (3 spans) | -- | 1956 | 2005 | 80.1 | 120.1 | Fair | 65.2 | 04 0115 |
| NBI report | STATE ROUTE 299 | WILLOW CREEK | 01-HUM-299-35.55 | Concrete Tee beam (3 spans) | -- | 1956 | 2005 | 89.9 | 210.0 | Good | 79.0 | 04 0163 |
| NBI report | BALD HILLS ROAD | PRAIRIE CREEK | 0.01 MI E/O SR 101 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1957 | -- | 55.1 | 116.1 | Poor | 71.0 | 04C0005 |
| NBI report | COUNTRY CLUB RD | TRINITY RIVER | IN WILLOW CREEK | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1957 | -- | 152.9 | 512.2 | Fair | 40.6 | 04C0032 |
| NBI report | MAPLE HILLS RD | SOUTH FORK EEL RIVER | JUST N/E OF HWY 101 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1957 | -- | 170.0 | 345.2 | Good | 77.2 | 04C0089 |
| NBI report | NO DATA ENTERED | NO DATA ENTERED | NO DATA ENTERED | Steel Stringer/Multi-beam or girder (5 spans) | -- | 1957 | -- | 49.9 | 158.1 | Good | 83.0 | 051053000001018 |
| NBI report | STATE ROUTE 96 | TRINITY RIVER | 01-HUM-096-12.26 | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1957 | -- | 200.1 | 620.1 | Fair | 59.5 | 04 0137 |
| NBI report | U.S. HIGHWAY 101 | SALMON CREEK | 01-HUM-101-67.87 | Concrete Tee beam (4 spans) | -- | 1957 | -- | 44.0 | 155.8 | Good | 78.6 | 04 0020 |
| NBI report | US HIGHWAY 101 | STATE ROUTE 211 | 01-HUM-101-64.29 | Concrete Tee beam (3 spans) | -- | 1957 | -- | 58.1 | 144.0 | Good | 77.0 | 04 0110 |
| NBI report | ALDERPOINT RD | MCMAHON CREEK | 14 MI N/O ALDERPOINT | Prestressed Stringer/Multi-beam or girder | -- | 1958 | -- | 27.9 | 42.7 | Good | 89.0 | 04C0090 |
| NBI report Bridgehunter | FORT SEWARD RD | EEL RIVER | 6 MI E DYERVILLE LOOP RD | Steel Truss - Deck (2 spans) | -- | 1958 | -- | 211.0 | 624.0 | Fair | 66.5 | 04C0040 |
| NBI report | U.S. HIGHWAY 101 | BIG LAGOON | 01-HUM-101-109.17 | Concrete Tee beam (11 spans) | -- | 1958 | -- | 40.0 | 442.9 | Fair | 57.4 | 04 0027 |
| NBI report | U.S. HIGHWAY 101 | RICHARDSON GROVE PARK RD | 01-HUM-101-1.61 | Concrete Slab (3 spans) | -- | 1958 | -- | 27.9 | 86.9 | Good | 62.8 | 04 0055 |
| NBI report | U.S. HIGHWAY 101 | ST RTE 254-S101 ON RAMP | 01-HUM-101-35.70 | Concrete Slab (3 spans) | -- | 1958 | -- | 32.2 | 85.0 | Good | 78.2 | 04 0064 |
| NBI report | U.S. HIGHWAY 101 | S101-ST RTE 254 | 01-HUM-101-39.16 | Concrete Slab (3 spans) | -- | 1958 | -- | 36.1 | 110.9 | Good | 92.0 | 04 0070 |
| NBI report | U.S. HIGHWAY 101 | SFK EEL RIVER,MATTOLE RD | 01-HUM-101-35.75 | Steel Stringer/Multi-beam or girder (5 spans) | -- | 1958 | -- | 274.9 | 890.1 | Good | 85.8 | 04 0076 |
| NBI report Bridgehunter | MATTOLE RD | MATTOLE RIVER | 0.8 MI SOUTH OF PETROLIA | Steel Truss - Deck (3 spans) | -- | 1958 | 1995 | 100.1 | 380.6 | Good | 55.9 | 04C0078 |
| NBI report | U.S. HIGHWAY 101 | FINCH CREEK ROAD | 01-HUM-101-63.10 | Concrete Tee beam (3 spans) | -- | 1958 | 2005 | 52.2 | 131.2 | Good | 77.9 | 04 0113L |
| NBI report | U.S. HIGHWAY 101 | FINCH CREEK ROAD | 01-HUM-101-63.10 | Concrete Tee beam (3 spans) | -- | 1958 | 2005 | 52.2 | 131.2 | Good | 85.4 | 04 0113R |
| NBI report | US HIGHWAY 101 NB | PALMER BLVD | 01-HUM-101-62.23 | Concrete Tee beam (3 spans) | -- | 1958 | 2005 | 46.9 | 112.9 | Good | 91.6 | 04 0112R |
| NBI report | US HIGHWAY 101 SB | PALMER BLVD | 01-HUM-101-62.23 | Concrete Tee beam (3 spans) | -- | 1958 | 2005 | 46.9 | 112.9 | Good | 91.6 | 04 0112L |
| NBI report | BLUE SLIDE ROAD | PRICE CREEK | 3.9 MI NW OF HIGHWAY 101 | Steel Stringer/Multi-beam or girder | -- | 1959 | -- | 100.1 | 104.0 | Fair | 84.9 | 04C0045 |
| NBI report | BRICELAND-THORNE | REDWOOD CREEK | 2.3 MI W/O REDWOOD DR | Steel Stringer/Multi-beam or girder | -- | 1959 | -- | 85.0 | 86.9 | Poor | 80.7 | 04C0002 |
| NBI report | BRICELAND-THORNE | CHINA CREEK | 5.2 MI NE SHELTER COVE | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1959 | -- | 49.9 | 106.0 | Fair | 74.1 | 04C0019 |
| NBI report | CARSON WOODS ROAD | ROHNER CREEK | 0.8 MI NORTH OF MAIN ST | Concrete Slab | -- | 1959 | -- | 25.9 | 28.9 | Good | 60.2 | 04C0197 |
| NBI report | MATTOLE ROAD | SINGLEY CREEK | 26.3 MI NORTH OF HONEYDEW | Concrete Slab (3 spans) | -- | 1959 | -- | 47.9 | 123.0 | Good | 90.3 | 04C0147 |
| NBI report | PRICE CREEK ROAD | SWEET CREEK | 3.4 MI W BLUE SLIDE RD | Concrete Slab | -- | 1959 | -- | 33.1 | 36.1 | Fair | 64.2 | 04C0150 |
| NBI report | SALMON CREEK ROAD | SALMON CREEK | 2 MI W/OF HWY 101 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1959 | -- | 67.9 | 142.1 | Fair | 70.5 | 04C0044 |
| NBI report | SALMON CREEK ROAD | SALMON CREEK | 2.65 MI AVE OF THE GIANTS | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1959 | -- | 67.9 | 142.1 | Fair | 69.1 | 04C0056 |
| NBI report | SPROWEL CREEK ROAD | SPROWEL CREEK | 3 MI SW/O KIMTU RD | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1959 | -- | 62.0 | 150.9 | Good | 90.5 | 04C0030 |
| NBI report | STATE ROUTE 254 | GREENLAW CREEK | 01-HUM-254-46.12 | Concrete Tee beam (3 spans) | -- | 1959 | -- | 47.9 | 122.1 | Good | 86.9 | 04 0171 |
| NBI report Bridgehunter | BALD HILLS ROAD | KLAMATH RIVER | AT INTERSECTION SR 169 | Steel Truss - Deck (3 spans) | -- | 1959 | 1965 | 294.0 | 793.0 | Fair | 75.0 | 04C0007 |
| NBI report | CANNIBAL ROAD | MOSLEY SLOUGH | 3.7 MI W OF EEL RIVER DR. | Concrete Tee beam (2 spans) | -- | 1959 | 1965 | 58.1 | 296.3 | Fair | 76.4 | 04C0038 |
| NBI report | U.S. HIGHWAY 101 | JONES SLOUGH | 01-HUM-101-88.87 | Concrete Tee beam (4 spans) | -- | 1959 | 1991 | 36.1 | 131.9 | Fair | 48.9 | 04 0083 |
| NBI report | U.S. HIGHWAY 101 | BOYD DRAW | 01-HUM-101-89.44 | Concrete Slab (5 spans) | -- | 1959 | 1991 | 27.9 | 139.4 | Fair | 81.8 | 04 0085 |
| NBI report | 6TH STREET | US HIGHWAY 101 | 01-HUM-101-98.36 | Concrete Box beam or girders - Multiple (3 spans) | -- | 1960 | -- | 80.1 | 170.0 | Good | 95.4 | 04 0057 |
| NBI report | ALDERPOINT RD | LARABEE CREEK | 32.2 MI E/N FROM SH 101 | Steel Stringer/Multi-beam or girder | -- | 1960 | -- | 56.1 | 59.1 | Fair | 77.8 | 04C0214 |
| NBI report | HOLMES FLAT ROAD | LARABEE LOW LEVEL-EEL RI | NEAR HOLMES | Concrete Slab (20 spans) | Closed | 1960 | -- | 16.1 | 332.0 | Poor | 5.0 | 04C0171 |
| NBI report | JACKSON RANCH RD | LISCOMB SLOUGH | 0.25 MI S FOSTER AVE | Concrete Slab (3 spans) | -- | 1960 | -- | 27.9 | 73.2 | Good | 78.8 | 04C0185 |
| NBI report | SHIVELEY ROAD | SHIVELEY CREEK | 1.0 MI N OF SHIVELEY | Steel Stringer/Multi-beam or girder | -- | 1960 | -- | 40.0 | 42.0 | Fair | 84.9 | 04C0153 |
| NBI report | STATE ROUTE 36 | LITTLE LARABEE CREEK | 01-HUM-036-25.27 | Concrete Tee beam (4 spans) | -- | 1960 | -- | 49.9 | 180.1 | Good | 81.1 | 04 0102 |
| NBI report | STATE ROUTE 36 | BUTTE CREEK | 01-HUM-036-34.52 | Concrete Tee beam (2 spans) | -- | 1960 | -- | 68.9 | 114.5 | Fair | 66.6 | 04 0116 |
| NBI report | STATE ROUTE 96 | AIKENS CREEK | 01-HUM-096-28.07 | Concrete Tee beam (3 spans) | -- | 1960 | -- | 90.2 | 140.4 | Good | 79.1 | 04 0059 |
| NBI report | STATE ROUTE 96 | SLATE CREEK | 01-HUM-096-29.92 | Concrete Tee beam (3 spans) | -- | 1960 | -- | 80.1 | 177.5 | Fair | 43.7 | 04 0061 |
| NBI report | STATE ROUTE 96 | BLUFF CREEK | 01-HUM-096-28.27 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1960 | -- | 135.5 | 271.0 | Good | 81.9 | 04 0063 |
| NBI report | U. BEAR RIVER ROAD | ARROYO CREEK | 6.5 MI S OF MATTOLE RD | Concrete Slab | -- | 1960 | -- | 29.9 | 32.5 | Good | 85.4 | 04C0149 |
| NBI report | U.S. HIGHWAY 101 | WESTHAVEN DRIVE | 01-HUM-101-98.07 | Concrete Tee beam (3 spans) | -- | 1960 | -- | 60.0 | 133.9 | Good | 91.8 | 04 0056 |
| NBI report | U.S. HIGHWAY 101 | TRINIDAD ROAD | 01-HUM-101-100.71-TRND | Concrete Tee beam (3 spans) | -- | 1960 | -- | 54.1 | 125.0 | Fair | 84.4 | 04 0058 |
| NBI report | UPPER BEAR RIV RD | BEAR RIVER | 6.4 MI S OF MATTOLE ROAD | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1960 | -- | 76.4 | 232.3 | Fair | 81.7 | 04C0050 |
| NBI report | WILDER RIDGE ROAD | BEARTRAP CREEK | 1.5 MI S MATTOLE RD | Steel Stringer/Multi-beam or girder | -- | 1960 | -- | 38.1 | 39.0 | Fair | 87.8 | 04C0066 |
| NBI report | FORT SEWARD ROAD | DOBBYN CREEK | 1.5 MI W ALDER POINT RD | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1960 | 1967 | 55.1 | 168.0 | Fair | 85.9 | 04C0152 |
| NBI report | HOWE CREEK ROAD | ATWELL CREEK | 1.3 MI S/O BLUE SLIDE RD | Steel Stringer/Multi-beam or girder | -- | 1960 | 1986 | 36.1 | 37.1 | Poor | 18.0 | 04C0132 |
| NBI report | ALDERPOINT ROAD | BURR CREEK | 26.5 MI N OF ALDERPOINT | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1960 | 1994 | 50.9 | 155.8 | Fair | 77.1 | 04C0093 |
| NBI report | BRICELAND THORN RD | VANARKEN CREEK | 1.0 MI S SHELTER COVE RD | Steel Stringer/Multi-beam or girder | -- | 1961 | -- | 100.1 | 105.0 | Fair | 83.9 | 04C0205 |
| NBI report | BURREL ROAD | UPPER N FK MATTOLE RIV | 0.5 MI W MATTOLE RD | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1961 | -- | 60.0 | 183.1 | Good | 71.3 | 04C0127 |
| NBI report | COCKROBIN ISLD RD | EEL RIVER | 0.5 MI S OF CANNIBAL RD | Concrete Box Beam or girders - Single or Spread (8 spans) | -- | 1961 | -- | 101.4 | 776.0 | Poor | 19.2 | 04C0098 |
| NBI report | MAPLE CREEK ROAD | HEATH CREEK | 3.12 MI S BUTLER VLY RD | Concrete Slab | -- | 1961 | -- | 29.9 | 33.1 | Fair | 78.2 | 04C0097 |
| NBI report | MATTOLE ROAD | NORTH FORK MATTOLE RIVER | 1.3 NW OF MATTOLE RIVER | Concrete Tee beam (3 spans) | -- | 1961 | -- | 69.9 | 216.9 | Fair | 75.2 | 04C0146 |
| NBI report | PESULA ROAD | US HIGHWAY 101 | 01-HUM-101-31.61 | Concrete Box beam or girders - Multiple (3 spans) | -- | 1961 | -- | 93.2 | 185.0 | Good | 75.7 | 04 0118 |
| NBI report | STATE ROUTE 169 | PECWAN CREEK | 01-HUM-169-14.46 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1961 | -- | 124.0 | 195.9 | Fair | 73.5 | 04 0190 |
| NBI report | STATE ROUTE 254 | U.S. HIGHWAY 101 | 01-HUM-254-19.94 | Concrete Box beam or girders - Multiple (3 spans) | -- | 1961 | -- | 122.1 | 242.1 | Good | 89.7 | 04 0114 |
| NBI report | STOVER ROAD | MILL CREEK | 2.5 MI FROM BAIR RD | Concrete Slab | -- | 1961 | -- | 27.9 | 33.1 | Good | 91.5 | 04C0125 |
| NBI report | U.S. HIGHWAY 101 | WILLIFORD ROAD | 01-HUM-101-30.50 | Concrete Slab (3 spans) | -- | 1961 | -- | 44.0 | 112.9 | Good | 82.1 | 04 0117 |
| NBI report | U.S. HIGHWAY 101 | NEWTON ROAD | 01-HUM-101-33.22 | Concrete Tee beam (3 spans) | -- | 1961 | -- | 68.9 | 139.1 | Fair | 85.0 | 04 0125 |
| NBI report | HOOKTON ROAD | US HIGHWAY 101 | 01-HUM-101-68.21 | Prestressed Stringer/Multi-beam or girder (2 spans) | -- | 1962 | -- | 80.1 | 165.0 | Fair | 59.3 | 04 0166 |
| NBI report | IRR BIA RTE 15 | HOSTLER CREEK | 3 KM NORTH OF HOOPA | Concrete Slab (3 spans) | -- | 1962 | -- | 27.9 | 74.5 | Good | 92.0 | 00000000000J013 |
| NBI report | LOLETA DR | US HIGHWAY 101 | 01-HUM-101-65.95 | Prestressed Stringer/Multi-beam or girder (2 spans) | -- | 1962 | -- | 78.1 | 161.1 | Good | 81.6 | 04 0165 |
| NBI report | PORT KENYON ROAD | SALT RIVER OVERFLOW | 0.24 MI W HIGHWAY 211 | Concrete Slab (4 spans) | -- | 1962 | -- | 32.2 | 114.2 | Good | 97.8 | 04C0122 |
| NBI report | RIVERWALK DRIVE | STRONGS CREEK | 0.9 MI NORTH OF HWY 101 | Concrete Slab (3 spans) | -- | 1962 | -- | 32.2 | 98.4 | Fair | 63.0 | 04C0085 |
| NBI report | SALMON CREEK ROAD | US HIGHWAY 101 | 01-HUM-101-25.01 | Concrete Tee beam (3 spans) | -- | 1962 | -- | 75.1 | 137.1 | Good | 77.5 | 04 0177 |
| NBI report | STATE ROUTE 36 | SOUTH FORK VAN DUZEN RIV | 01-HUM-036-35.37 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1962 | -- | 100.1 | 206.7 | Poor | 62.9 | 04 0119 |
| NBI report | STOVER RD | MOLASSES CREEK | 2.1 MI N JCT BAIR RD | Concrete Slab | -- | 1962 | -- | 29.9 | 33.1 | Good | 91.5 | 04C0109 |
| NBI report | STRONGS CREEK ROAD | ROHNER CREEK | 0.15 MI N INT WTH 12TH ST | Concrete Slab (3 spans) | -- | 1962 | -- | 27.9 | 86.9 | Fair | 82.0 | 04C0102 |
| NBI report | THOMAS ROAD | SALMON CREEK | 3.24 MI S SALMON CK RD | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1962 | -- | 89.9 | 185.0 | Fair | 59.9 | 04C0151 |
| NBI report | TWELFTH ST | U.S. HIGHWAY 101 | 01-HUM-101-60.49 | Concrete Tee beam (4 spans) | -- | 1962 | -- | 65.0 | 196.9 | Good | 80.8 | 04 0130 |
| NBI report | U.S. HIGHWAY 101 | STRONGS CREEK | 01-HUM-101-59.94 | Concrete Culvert | -- | 1962 | -- | 39.0 | 40.0 | Fair | 96.2 | 04 0107 |
| NBI report | U.S. HIGHWAY 101 | ROHNER CREEK | 01-HUM-101-60.67 | Concrete Slab (3 spans) | -- | 1962 | -- | 27.9 | 86.9 | Good | 95.9 | 04 0108 |
| NBI report | U.S. HIGHWAY 101 | SOUTH FORK EEL RIVER | 01-HUM-101-27.71 | Steel Stringer/Multi-beam or girder (4 spans) | NR eligible | 1962 | -- | 234.9 | 826.2 | Good | 81.8 | 04 0123 |
| NBI report | U.S. HIGHWAY 101 | KENMAR ROAD | 01-HUM-101-59.50-FTA | Concrete Tee beam (3 spans) | -- | 1962 | -- | 64.0 | 131.9 | Fair | 84.6 | 04 0128 |
| NBI report | U.S. HIGHWAY 101 | BEAR BUTTE ROAD | 01-HUM-101-23.01 | Concrete Tee beam (3 spans) | -- | 1962 | -- | 55.1 | 134.8 | Good | 78.6 | 04 0175 |
| NBI report | U.S. HIGHWAY 101 | MAPLE HILL RD,SALMON CRK | 01-HUM-101-23.89 | Concrete Box beam or girders - Multiple (3 spans) | -- | 1962 | -- | 105.0 | 278.9 | Good | 81.9 | 04 0176 |
| NBI report | U.S. HIGHWAY 101 | US 101 ON&OFF RAMP,NCRRA | 01-HUM-101-70.61 | Concrete Box beam or girders - Multiple (4 spans) | -- | 1962 | 1982 | 111.9 | 406.5 | Fair | 71.6 | 04 0121 |
| NBI report | US HIGHWAY 101 | S101-MAIN ON&OFF,NCRRA | 01-HUM-101-61.53-FTA | Concrete Tee beam (6 spans) | -- | 1962 | 1993 | 103.0 | 457.0 | Good | 91.1 | 04 0145 |
| NBI report | HUMBOLDT HILL ROAD | US HIGHWAY 101 | 01-HUM-101-73.72 | Concrete Tee beam (4 spans) | -- | 1963 | -- | 82.0 | 228.0 | Fair | 76.8 | 04 0071 |
| NBI report | STATE ROUTE 255 | MCDANIEL SLOUGH | 01-HUM-255-7.77 | Concrete Culvert (2 spans) | -- | 1963 | -- | 9.8 | 22.0 | Good | 98.4 | 04 0222 |
| NBI report | U.S. HIGHWAY 101 | HILLSIDE | 01-HUM-101-27.07 | Steel Stringer/Multi-beam or girder (11 spans) | -- | 1963 | -- | 109.9 | 1303.2 | Good | 81.8 | 04 0072 |
| NBI report | U.S. HIGHWAY 101 | ORCHARD AVE | 01-HUM-101-72.03 | Concrete Box beam or girders - Multiple (3 spans) | -- | 1963 | -- | 65.0 | 130.9 | Good | 97.0 | 04 0122 |
| NBI report | US HIGHWAY 101 | SR 254 AVE OF THE GIANTS | 01-HUM-101-27.92 | Concrete Tee beam (3 spans) | -- | 1963 | -- | 67.9 | 142.1 | Good | 78.3 | 04 0124 |
| NBI report | US HIGHWAY 101 NB | KING SALMON AVE | 01-HUM-101-72.88 | Concrete Tee beam (3 spans) | -- | 1963 | -- | 58.1 | 120.1 | Good | 91.3 | 04 0067R |
| NBI report | US HIGHWAY 101 SB | KING SALMON AVE | 01-HUM-101-72.88 | Concrete Tee beam (3 spans) | -- | 1963 | -- | 62.3 | 129.3 | Good | 91.3 | 04 0067L |
| NBI report | CRANNELL ROAD | US HIGHWAY 101 | 01-HUM-101-R97.02 | Concrete Tee beam (4 spans) | -- | 1964 | -- | 62.0 | 170.9 | Fair | 75.1 | 04 0073 |
| NBI report | FAIRWAY DR | MARTIN SLOUGH | 1 MI EAST OF SR 101 | Concrete Slab (3 spans) | -- | 1964 | -- | 27.9 | 73.2 | Fair | 74.3 | 04C0226 |
| NBI report | HILLER ROAD | US HIGHWAY 101 | 01-HUM-101-R91.99 | Concrete Tee beam (4 spans) | -- | 1964 | -- | 58.1 | 186.0 | Good | 79.2 | 04 0173 |
| NBI report | KNEELAND RD | NORTH FORK YAGER CREEK | 14.3 MI N OF BRIDGEVILLE | Steel Stringer/Multi-beam or girder | -- | 1964 | -- | 59.1 | 64.3 | Poor | 46.4 | 04C0042 |
| NBI report | MURRAY ROAD | US HIGHWAY 101 | 01-HUM-101-R92.99 | Concrete Tee beam (4 spans) | -- | 1964 | -- | 58.4 | 182.1 | Good | 83.1 | 04 0170 |
| NBI report | SCHOOL ROAD | US HIGHWAY 101 | 01-HUM-101-R91.47 | Concrete Tee beam (4 spans) | -- | 1964 | -- | 62.0 | 187.7 | Fair | 88.5 | 04 0168 |
| NBI report | SR 200 (CENTRAL) | US HIGHWAY 101 | 01-HUM-200-R0.01 | Concrete Tee beam (4 spans) | -- | 1964 | -- | 80.1 | 278.2 | Fair | 89.4 | 04 0172 |
| NBI report | STATE ROUTE 211 | SALT RIVER OVERFLOW | 01-HUM-211-R74.64 | Concrete Slab (4 spans) | -- | 1964 | -- | 32.2 | 115.2 | Fair | 77.6 | 04 0106 |
| NBI report | STATE ROUTE 211 | OLD RIVER | 01-HUM-211-R76.30 | Concrete Slab (5 spans) | -- | 1964 | -- | 40.0 | 201.1 | Fair | 79.1 | 04 0132 |
| NBI report | STATE ROUTE 211 | OLD RIVER | 01-HUM-211-R76.46 | Concrete Slab (5 spans) | -- | 1964 | -- | 40.0 | 201.1 | Good | 90.4 | 04 0133 |
| NBI report | STATE ROUTE 96 | HILLSIDE | 01-HUM-096-16.82 | Concrete Slab (3 spans) | -- | 1964 | -- | 29.9 | 65.0 | Fair | 77.0 | 04 0141 |
| NBI report | STATE ROUTE 96 | HILLSIDE | 01-HUM-096-16.84 | Concrete Slab (9 spans) | -- | 1964 | -- | 20.0 | 186.0 | Fair | 77.0 | 04 0142 |
| NBI report | U.S. HIGHWAY 101 | GIBNEY DRIVE | 01-HUM-101-R22.44 | Concrete Tee beam (3 spans) | -- | 1964 | -- | 45.9 | 100.1 | Good | 80.7 | 04 0174 |
| NBI report | U.S. HIGHWAY 101 | DIMMICK ROAD | 01-HUM-101-R19.70 | Concrete Tee beam (3 spans) | -- | 1964 | -- | 42.0 | 104.0 | Good | 80.6 | 04 0192 |
| NBI report | US HIGHWAY 101 | SR 254,SOUTH FORK EEL RV | 01-HUM-101-R17.89 | Concrete Stringer/Multi-beam or girder (4 spans) | -- | 1964 | -- | 312.0 | 876.0 | Good | 80.9 | 04 0065 |
| NBI report | US HIGHWAY 101 NB | N CENTRAL AVE | 01-HUM-101-R95.62 | Concrete Tee beam (3 spans) | -- | 1964 | -- | 50.9 | 116.1 | Poor | 90.1 | 04 0095R |
| NBI report | US HIGHWAY 101 NB | AIRPORT ROAD | 01-HUM-101-R93.85 | Concrete Tee beam (3 spans) | -- | 1964 | -- | 43.0 | 111.2 | Poor | 85.2 | 04 0169R |
| NBI report | US HIGHWAY 101 SB | N CENTRAL AVE | 01-HUM-101-R95.62 | Concrete Tee beam (3 spans) | -- | 1964 | -- | 50.9 | 116.1 | Poor | 90.1 | 04 0095L |
| NBI report | US HIGHWAY 101 SB | AIRPORT ROAD | 01-HUM-101-R93.85 | Concrete Tee beam (3 spans) | -- | 1964 | -- | 43.0 | 111.2 | Fair | 90.2 | 04 0169L |
| NBI report | U.S. HIGHWAY 101 | LITTLE RIVER | 01-HUM-101-R97.46 | Concrete Tee beam (9 spans) | -- | 1964 | 1999 | 49.9 | 414.7 | Good | 96.0 | 04 0026 |
| NBI report | CAPPELL RD | MAREEP CREEK | 5.27 MI S JCT RTE 169 | Steel Stringer/Multi-beam or girder | -- | 1965 | -- | 48.9 | 53.2 | Fair | 59.0 | 04C0224 |
| NBI report | FOREST ROAD | SOUTH FORK EEL RIVER | 0.1 MI W/O REDWOOD DR | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1965 | -- | 200.1 | 500.0 | Fair | 69.3 | 04F0001 |
| NBI report Bridgehunter | MCCANN ROAD | EEL RIVER | E DYERVILLE LOOP RD | Concrete Slab (15 spans) | -- | 1965 | -- | 20.0 | 301.9 | Poor | 38.5 | 04C0172 |
| NBI report | SR 200 (N BANK RD) | STATE ROUTE 299 | 01-HUM-200-R2.66 | Concrete Tee beam (4 spans) | -- | 1965 | -- | 66.9 | 213.9 | Good | 96.6 | 04 0184 |
| NBI report | SR 255 | U.S. HIGHWAY 101 | 01-HUM-255-8.77-ARC | Concrete Box beam or girders - Multiple (4 spans) | -- | 1965 | -- | 107.9 | 328.1 | Good | 71.9 | 04 0049 |
| NBI report | STATE PARK ROAD | UPPER DURPHY CREEK | RICHARDSON GROVE ST. PK. | Steel Culvert (3 spans) | -- | 1965 | -- | 7.9 | 21.0 | Fair | 63.6 | 04P0002 |
| NBI report | STATE ROUTE 299 | MAD RIVER | 01-HUM-299-R1.56 | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1965 | -- | 149.9 | 518.1 | Fair | 89.0 | 04 0036L |
| NBI report | STATE ROUTE 299 | REDWOOD CREEK | 01-HUM-299-R22.33 | Steel Stringer/Multi-beam or girder (5 spans) | -- | 1965 | -- | 133.9 | 673.9 | Fair | 50.0 | 04 0042 |
| NBI report | STATE ROUTE 299 | ESSEX LANE | 01-HUM-299-R2.92 | Concrete Tee beam (3 spans) | -- | 1965 | -- | 44.0 | 126.0 | Fair | 87.1 | 04 0185 |
| NBI report | STATE ROUTE 299 | GLENDALE DR | 01-HUM-299-R3.78 | Concrete Tee beam (3 spans) | -- | 1965 | -- | 74.2 | 164.1 | Good | 76.2 | 04 0186 |
| NBI report | STATE ROUTE 299 | LINDSAY CR,FIELDBROOK RD | 01-HUM-299-R3.50 | Concrete Tee beam (5 spans) | -- | 1965 | -- | 53.2 | 210.0 | Fair | 76.2 | 04 0187 |
| NBI report | STATE ROUTE 299 | MILL CREEK | 01-HUM-299-R4.21 | Concrete Slab (4 spans) | -- | 1965 | -- | 33.1 | 116.1 | Good | 82.0 | 04 0188 |
| NBI report | STATE ROUTE 299 | MAINT RD | 01-HUM-299-R5.29 | Concrete Tee beam (3 spans) | -- | 1965 | -- | 56.1 | 148.0 | Fair | 80.0 | 04 0189 |
| NBI report | STATE ROUTE 299 | RAMP ROAD | 01-HUM-299-R4.04 | Concrete Tee beam (3 spans) | -- | 1965 | -- | 48.9 | 119.1 | Poor | 82.7 | 04 0191 |
| NBI report | STATE ROUTE 36 | VAN DUZEN RIVER | 01-HUM-036-12.78 | Concrete Box beam or girders - Multiple (5 spans) | -- | 1965 | -- | 121.1 | 466.6 | Good | 87.6 | 04 0093 |
| NBI report | STATE ROUTE 36 | VAN DUZEN RIVER | 01-HUM-036-20.21 | Concrete Box beam or girders - Multiple (3 spans) | -- | 1965 | -- | 125.0 | 376.3 | Fair | 78.7 | 04 0098 |
| NBI report | STATE ROUTE 96 | WILLOW CREEK | 01-HUM-096-0.24 | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1965 | -- | 102.0 | 345.2 | Fair | 47.6 | 04 0135 |
| NBI report | U.S. HIGHWAY 101 | EEL RIVER & NCRRA | 01-HUM-101-R48.69 | Steel Stringer/Multi-beam or girder (5 spans) | -- | 1965 | -- | 279.9 | 1020.1 | Good | 74.7 | 04 0014 |
| NBI report Bridgehunter | U.S. HIGHWAY 101 | HOOKER CREEK ROAD | 01-HUM-101-R16.51 | Steel Arch - Deck | -- | 1965 | -- | 23.0 | 24.0 | Good | 69.5 | 04 0213 |
| NBI report | ALDERPOINT RD | LARABEE CREEK | 15.5 MI N ALDER POINT | Steel Stringer/Multi-beam or girder | -- | 1966 | -- | 100.1 | 104.0 | Fair | 77.1 | 04C0106 |
| NBI report | ALDERPOINT ROAD | US HIGHWAY 101 | 01-HUM-101-R11.77 | Concrete Box beam or girders - Multiple (3 spans) | -- | 1966 | -- | 80.1 | 199.2 | Fair | 56.3 | 04 0197 |
| NBI report | ALDERPOINT ROAD | NORTH DOBBYN CREEK | 5 MI N/O ALDERPOINT | Steel Stringer/Multi-beam or girder | -- | 1966 | -- | 100.1 | 104.0 | Fair | 81.7 | 04C0105 |
| NBI report | BRICELAND-THORNE | SOUTH FORK EEL RIVER | 1.1 MI W JCT OLD RTE 101 | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1966 | -- | 180.1 | 462.0 | Fair | 78.7 | 04C0033 |
| NBI report | HOLMES FLAT RD | LARABEE CREEK | 2.5 MI E AVE OF GIANTS | Concrete Box beam or girders - Multiple (3 spans) | Closed | 1966 | -- | 120.1 | 303.2 | Fair | 77.1 | 04C0099 |
| NBI report | IRR BIA RTE 541A | SUPPLY CREEK | N SIDE OF HOOPA LOOP ROAD | Concrete Stringer/Multi-beam or girder (3 spans) | -- | 1966 | -- | 80.1 | 108.3 | Fair | 83.3 | 00000000000J015 |
| NBI report | MATTOLE RD | BULL CREEK | 6.4 MI W/O JCT W/ SR 101 | Concrete Tee beam (3 spans) | -- | 1966 | -- | 60.0 | 154.9 | Good | 86.4 | 04C0015 |
| NBI report | MATTOLE RD | CUNEO CREEK | 7 MI W/O 101 | Concrete Tee beam (3 spans) | -- | 1966 | -- | 60.0 | 89.9 | Good | 80.3 | 04C0018 |
| NBI report | NO DATA ENTERED | NO DATA ENTERED | S16 T6N R6E | Concrete Slab (3 spans) | -- | 1966 | -- | 40.0 | 111.6 | Good | 86.5 | 051053000001011 |
| NBI report | REDWOOD DR | US HIGHWAY 101 | 01-HUM-101-R11.50 | Concrete Box beam or girders - Multiple (2 spans) | -- | 1966 | -- | 100.1 | 186.0 | Good | 80.0 | 04 0196 |
| NBI report | SEVENTH ST | US HIGHWAY 101 | 01-HUM-101-86.10-ARC | Concrete Box beam or girders - Multiple (2 spans) | -- | 1966 | -- | 128.9 | 240.2 | Fair | 82.6 | 04 0054 |
| NBI report | SHOWER PASS RD | OLSEN CREEK | 6.1 MI NE/O KNEELAND RD | Steel Stringer/Multi-beam or girder | -- | 1966 | -- | 46.3 | 48.2 | Good | 54.8 | 04C0179 |
| NBI report | STATE ROUTE 299 | HILLSIDE | 01-HUM-299-R42.30 | Steel Stringer/Multi-beam or girder | -- | 1966 | -- | 94.2 | 97.1 | Good | 61.0 | 04 0217 |
| NBI report | STATE ROUTE 96 | HILLSIDE | 01-HUM-096-16.76 | Steel Stringer/Multi-beam or girder | -- | 1966 | -- | 158.5 | 158.5 | Good | 75.8 | 04 0053 |
| NBI report Bridgehunter | STATE ROUTE 96 | KLAMATH RIVER (ORLEANS) | 01-HUM-096-38.57 | Steel Suspension (3 spans) | NR eligible | 1966 | -- | 430.1 | 770.1 | Good | 68.3 | 04 0069 |
| NBI report | U.S. HIGHWAY 101 | BARKDULL ROAD | 01-HUM-101-R43.32 | Concrete Tee beam (3 spans) | -- | 1966 | -- | 43.0 | 108.9 | Good | 93.6 | 04 0200 |
| NBI report | U.S. HIGHWAY 101 | GREENLAW CREEK | 01-HUM-101-R45.57 | Concrete Tee beam (3 spans) | -- | 1966 | -- | 42.0 | 106.0 | Good | 74.0 | 04 0206 |
| NBI report | US HIGHWAY 101 | ST RTE 254 (JORDAN RD) | 01-HUM-101-R45.90 | Concrete Tee beam (3 spans) | -- | 1966 | -- | 43.0 | 106.6 | Fair | 83.7 | 04 0207 |
| NBI report | US HIGHWAY 101 NB | JORDAN CREEK | 01-HUM-101-R46.19 | Concrete Box beam or girders - Multiple (5 spans) | -- | 1966 | -- | 86.0 | 393.1 | Good | 82.8 | 04 0208R |
| NBI report | WHITLOW ROAD | SONOMA CREEK #2 | 2.4 MI E OF ELK CREEK RD | Steel Stringer/Multi-beam or girder | -- | 1966 | 1989 | 39.7 | 42.0 | Fair | 44.6 | 04C0138 |
| NBI report | WHITLOW ROAD | SONOMA CREEK #1 | 2.2 MI E OF ELK CREEK RD | Steel Stringer/Multi-beam or girder | -- | 1966 | 1989 | 39.0 | 40.0 | Fair | 44.6 | 04C0139 |
| NBI report | BENBOW DR | FISH CREEK | 0.7 MI S/O N JCT HWY 101 | Prestressed Box beam or girders - Multiple | -- | 1967 | -- | 91.9 | 95.1 | Good | 96.6 | 04C0154 |
| NBI report Bridgehunter | BROOKWOOD DRIVE | JACOBY CREEK | 0.1 MI S/O JACOBY CRK RD | Wood Truss - Thru | -- | 1967 | -- | 60.0 | 67.9 | Poor | 32.5 | 04C0124 |
| NBI report | ISHI PISHI RD | KLAMATH RIVER | 0.5 MI SW OF SR 96 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1967 | -- | 257.9 | 664.1 | Fair | 84.5 | 04C0236 |
| NBI report | N101-DEAN CRK RD | DEAN CREEK | 01-HUM-101-R14.31 | Concrete Box beam or girders - Multiple (2 spans) | -- | 1967 | -- | 103.0 | 243.1 | Good | 88.1 | 04 0006S |
| NBI report | NO DATA ENTERED | N FORK RED CAP CREEK | NO DATA ENTERED | Concrete Stringer/Multi-beam or girder | -- | 1967 | -- | 58.1 | 60.0 | Fair | 84.0 | 051052000001020 |
| NBI report | SPROWL CREEK ROAD | US HIGHWAY 101 | 01-HUM-101-R11.12 | Concrete Box beam or girders - Multiple (2 spans) | -- | 1967 | -- | 82.0 | 132.9 | Fair | 83.3 | 04 0195 |
| NBI report Bridgehunter | STATE ROUTE 96 | BLUFF CREEK | 01-HUM-096-R28.91 | Steel Arch - Deck | -- | 1967 | -- | 274.0 | 402.3 | Good | 86.9 | 04 0225 |
| NBI report | U.S. HIGHWAY 101 | DEAN CRK RD & DEAN CREEK | 01-HUM-101-R14.31 | Concrete Box beam or girders - Multiple (3 spans) | -- | 1967 | -- | 143.1 | 373.0 | Good | 76.3 | 04 0006 |
| NBI report | U.S. HIGHWAY 101 | SORENSON ROAD | 01-HUM-101-R39.67 | Concrete Tee beam (3 spans) | -- | 1967 | -- | 43.0 | 107.0 | Good | 89.8 | 04 0198 |
| NBI report | U.S. HIGHWAY 101 | BEAR CREEK | 01-HUM-101-R42.99 | Concrete Box beam or girders - Multiple (3 spans) | -- | 1967 | -- | 75.1 | 206.0 | Good | 95.7 | 04 0199 |
| NBI report | STATE ROUTE 36 | YAGER CREEK | 01-HUM-036-4.86 | Prestressed Stringer/Multi-beam or girder (4 spans) | -- | 1968 | -- | 100.1 | 396.0 | Fair | 49.7 | 04 0089 |
| NBI report | U.S. HIGHWAY 101 | E BRANCH S FRK EEL RIV | 01-HUM-101-R8.80 | Concrete Box beam or girders - Multiple (4 spans) | -- | 1968 | -- | 105.0 | 369.1 | Good | 84.9 | 04 0039 |
| NBI report | UPPER BEAR RIV RD | BEAR RIVER | 8.0 MI S OF MATTOLE RD | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1968 | -- | 74.2 | 230.3 | Fair | 80.6 | 04C0082 |
| NBI report | GUINTOLI LANE | US HIGHWAY 101 | 01-HUM-101-88.80-ARC | Prestressed Box beam or girders - Multiple | -- | 1969 | -- | 178.2 | 179.5 | Fair | 80.6 | 04 0157 |
| NBI report | GUINTOLI LANE | STATE ROUTE 299 | 01-HUM-299-0.72-ARC | Prestressed Box beam or girders - Multiple | -- | 1969 | -- | 159.1 | 160.1 | Good | 91.3 | 04 0231 |
| NBI report | STATE PARK ROAD | SOUTH FORK EEL RIVER | BENBOW STATE PARK | Concrete Slab (14 spans) | -- | 1969 | -- | 24.0 | 324.2 | Fair | 46.0 | 04P0008 |
| NBI report | U.S. HIGHWAY 101 | SOUTH FORK EEL RIVER | 01-HUM-101-R7.87 | Prestressed Box beam or girders - Multiple (3 spans) | NR eligible | 1969 | -- | 270.0 | 701.1 | Good | 83.9 | 04 0155 |
| NBI report | U.S. HIGHWAY 101 | OAKCREST COURT | 01-HUM-101-R8.60 | Concrete Box beam or girders - Multiple (3 spans) | -- | 1969 | -- | 63.0 | 130.9 | Good | 83.9 | 04 0211 |
| NBI report | U.S. HIGHWAY 101 | SOUTH FORK EEL RIVER | 01-HUM-101-R8.30 | Concrete Box beam or girders - Multiple (4 spans) | -- | 1969 | -- | 185.0 | 609.0 | Good | 82.9 | 04 0212 |
| NBI report | STATE ROUTE 299 | NORTH FORK MAD RIVER | 01-HUM-299-R11.02 | Prestressed Stringer/Multi-beam or girder (4 spans) | -- | 1969 | 1994 | 105.6 | 421.9 | Good | 83.1 | 04 0194 |
| NBI report | BENBOW DRIVE | E BR SOUTH FORK EEL RIV | 0.5 MI N/O OAKCREST CT | Concrete Box beam or girders - Multiple (3 spans) | -- | 1970 | -- | 115.2 | 299.9 | Good | 78.7 | 04C0101 |
| NBI report | STATE ROUTE 169 | RUBE CREEK | 01-HUM-169-27.57 | Steel Stringer/Multi-beam or girder | -- | 1970 | -- | 58.1 | 58.1 | Fair | 80.1 | 04 0215 |
| NBI report | STATE ROUTE 299 | BLUE LAKE BLVD | 01-HUM-299-R5.45 | Concrete Tee beam (3 spans) | -- | 1970 | -- | 49.9 | 120.1 | Fair | 94.0 | 04 0193 |
| NBI report | U.S. HIGHWAY 101 | SEAWOOD DR | 01-HUM-101-R103.38 | Prestressed Box beam or girders - Multiple | -- | 1970 | -- | 98.1 | 98.1 | Poor | 50.4 | 04 0209 |
| NBI report | U.S. HIGHWAY 101 | PATRICKS POINT DR | 01-HUM-101-R106.07 | Prestressed Box beam or girders - Multiple | -- | 1970 | -- | 92.9 | 92.9 | Good | 94.0 | 04 0210 |
| NBI report | RIVER BAR ROAD | BARBER CREEK WASH | 0.6 MI SOUTH OF RTE 36 | Wood Stringer/Multi-beam or girder (2 spans) | -- | 1970 | 2006 | 14.8 | 27.9 | Fair | 69.0 | 04C0219 |
| NBI report | S QUARRY ROAD | JACOBY CREEK | 0.05 MI S JACOBY CREEK RD | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1971 | -- | 68.9 | 113.9 | Fair | 61.3 | 04C0006 |
| NBI report | STATE ROUTE 255 | SAMOA CHANNEL | 01-HUM-255-1.37-EUR | Prestressed Stringer/Multi-beam or girder (20 spans) | -- | 1971 | -- | 225.1 | 2506.0 | Good | 84.2 | 04 0228 |
| NBI report | STATE ROUTE 255 | MIDDLE CHANNEL | 01-HUM-255-0.67-EUR | Prestressed Stringer/Multi-beam or girder (9 spans) | -- | 1971 | -- | 120.1 | 1081.1 | Good | 72.2 | 04 0229 |
| NBI report | STATE ROUTE 255 | EUREKA CHANNEL | 01-HUM-255-0.20-EUR | Prestressed Stringer/Multi-beam or girder (15 spans) | -- | 1971 | -- | 190.0 | 1817.0 | Fair | 86.7 | 04 0230 |
| NBI report | US HIGHWAY 101 | STAFFORD ROAD | 01-HUM-101-R47.95 | Prestressed Box beam or girders - Multiple | -- | 1971 | -- | 99.1 | 101.4 | Good | 83.8 | 04 0205 |
| NBI report | US HIGHWAY 101 SB | JORDAN CREEK | 01-HUM-101-R46.19 | Concrete Box beam or girders - Multiple (4 spans) | -- | 1971 | -- | 83.0 | 294.0 | Fair | 66.8 | 04 0208L |
| NBI report Bridgehunter | ALDERPOINT RD | EEL RIVER & NWP RR | 0.5 MI SE OF ALDERPOINT | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1972 | -- | 279.9 | 762.2 | Fair | 94.5 | 04C0025 |
| NBI report | ALDERPOINT RD | MARTIN CREEK | 6.7 MI SOUTH BRIDGEVILLE | Concrete Box beam or girders - Multiple (2 spans) | -- | 1972 | -- | 65.0 | 171.9 | Poor | 45.9 | 04C0084 |
| NBI report | FRESHWATER POOL RD | FRESHWATER CREEK | 0.03 MI S FRESHWATER RD | Steel Stringer/Multi-beam or girder | -- | 1972 | -- | 50.9 | 54.1 | Poor | 42.0 | 04C0136 |
| NBI report | IRR BIA RTE 3 | TULLY CREEK | 3KM NW MARTIN FERRY BRIDG | Prestressed Tee beam (2 spans) | -- | 1972 | -- | 62.7 | 125.3 | Fair | 89.9 | 00000000000J110 |
| NBI report | U.S. HIGHWAY 101 | MCDONALD CREEK | 01-HUM-101-114.54 | Concrete Slab | -- | 1972 | 2006 | 25.9 | 26.9 | Good | 82.8 | 04 0256 |
| NBI report | GENEVA ROAD | LOST MAN CREEK | 0.8 miles east of Jct. Hw | Steel Stringer/Multi-beam or girder | -- | 1973 | -- | 71.9 | 74.2 | Fair | 94.7 | 8480002P0000000 |
| NBI report | ISLAND MOUNTAIN RD | CHAMISE CREEK | 5.7 MI E/O BELLSPRINGS RD | Steel Stringer/Multi-beam or girder | -- | 1973 | -- | 78.1 | 83.0 | Poor | 65.7 | 04C0113 |
| NBI report | MATTOLE ROAD | MATTOLE RIVER | SHIELD'S FORD | Concrete Box beam or girders - Multiple (4 spans) | -- | 1973 | -- | 107.9 | 381.9 | Good | 85.1 | 04C0071 |
| NBI report | NO DATA ENTERED | NO DATA ENTERED | S9 T1N R5E | Steel Stringer/Multi-beam or girder | -- | 1973 | -- | 73.2 | 73.2 | Good | 85.0 | 051054000001005 |
| NBI report | PRESCOTT DRIVE | JOHNSON GULCH | 2.2 MI EAST OF MATTOLE RD | Steel Stringer/Multi-beam or girder | -- | 1973 | 1995 | 34.5 | 35.1 | Fair | 72.9 | 04C0184 |
| NBI report | BRIDGE ST | SCOTIA MILL POND | NEAR JCT MAIN ST SCOTIA | Prestressed Slab | -- | 1974 | -- | 41.0 | 43.0 | Fair | 61.3 | 04C0081 |
| NBI report | MATTOLE ROAD | BEAR RIVER | JUST SOUTH PRESCOTT ROAD | Concrete Box beam or girders - Multiple (3 spans) | -- | 1974 | -- | 113.9 | 290.4 | Fair | 96.9 | 04C0077 |
| NBI report | NO DATA ENTERED | NO DATA ENTERED | S15 T6N R4E | Concrete Slab | -- | 1974 | -- | 122.1 | 122.1 | Good | 82.0 | 051053000001009 |
| NBI report | STATE ROUTE 96 | PEARCH CREEK | 01-HUM-096-R39.48 | Prestressed Box beam or girders - Multiple (3 spans) | -- | 1974 | -- | 149.9 | 377.3 | Good | 90.3 | 04 0240 |
| NBI report | US HIGHWAY 101 SB | EEL RIVER | 01-HUM-101-M53.97-RDEL | Prestressed Box beam or girders - Multiple (7 spans) | -- | 1974 | -- | 299.9 | 1730.4 | Good | 97.6 | 04 0016L |
| NBI report | ISHI PISHI ROAD | WILSON CREEK | 3.1 MI S JCT WITH HWY 96 | Concrete Box beam or girders - Multiple | -- | 1975 | -- | 51.8 | 57.1 | Fair | 78.9 | 04C0223 |
| NBI report | U.S. HIGHWAY 101 | BENBOW DR (OLD US 101) | 01-HUM-101-R7.77 | Concrete Box beam or girders - Multiple (3 spans) | -- | 1975 | -- | 107.9 | 234.9 | Fair | 72.3 | 04 0216 |
| NBI report | 11TH ST | US HIGHWAY 101 | 01-HUM-101-86.33-ARC | Prestressed Box beam or girders - Multiple (2 spans) | -- | 1976 | -- | 160.1 | 271.0 | Poor | 70.6 | 04 0242 |
| NBI report | 14TH ST | US HIGHWAY 101 | 01-HUM-101-86.50-ARC | Concrete Box beam or girders - Multiple (2 spans) | -- | 1976 | -- | 122.1 | 215.9 | Good | 95.5 | 04 0245 |
| NBI report | DAVIS ST | US HIGHWAY 101 | 01-HUM-101-R52.60-RDEL | Concrete Box beam or girders - Multiple (2 spans) | -- | 1976 | -- | 87.9 | 176.8 | Good | 98.9 | 04 0237 |
| NBI report | EAST FRONTAGE ROAD | PEDESTRIAN WALKWAY | 0.2 MI N 14TH ST | Concrete Box beam or girders - Multiple | -- | 1976 | -- | 39.0 | 40.4 | Good | 95.8 | 04C0232L |
| NBI report | EAST FRONTAGE ROAD | PEDESTRIAN WALKWAY | 0.2 MI N 14TH ST | Concrete Box beam or girders - Multiple | -- | 1976 | -- | 38.1 | 39.4 | Fair | 95.8 | 04C0232R |
| NBI report | G STREET | US HIGHWAY 101 | 01-HUM-101-86.77-ARC | Prestressed Box beam or girders - Multiple (2 spans) | -- | 1976 | -- | 185.0 | 336.0 | Good | 93.5 | 04 0243 |
| NBI report | GENEVA ROAD | LITTLE LOST MAN CREEK | 0.3 miles east of Jct. Hw | Steel Stringer/Multi-beam or girder | -- | 1976 | -- | 64.0 | 65.0 | Fair | 75.1 | 8480005P0000000 |
| NBI report | MATTOLE ROAD | WOODS CREEK | 1.9 MI SW WILDER RDG RD | Concrete Tee beam | -- | 1976 | -- | 40.0 | 41.0 | Good | 90.4 | 04C0210 |
| NBI report | PAINTER ST | US HIGHWAY 101 | 01-HUM-101-R52.89-RDEL | Prestressed Box beam or girders - Multiple (2 spans) | -- | 1976 | -- | 145.0 | 265.1 | Good | 96.9 | 04 0236 |
| NBI report | PEDESTRIAN WALKWAY | US HIGHWAY 101 | 01-HUM-101-86.70-ARC | Prestressed Box beam or girders - Multiple | -- | 1976 | -- | 131.9 | -- | -- | -- | 04 0247 |
| NBI report | PEDESTRIAN WALKWAY | G ST-N101 ON-RAMP | 01-HUM-101-86.70-ARC | Concrete Box beam or girders - Multiple | -- | 1976 | -- | 69.9 | -- | -- | -- | 04 0278Y |
| NBI report | SAINT LOUIS RD | US HIGHWAY 101 & NCRRA | 01-HUM-101-87.48-ARC | Concrete Box beam or girders - Multiple (4 spans) | -- | 1976 | -- | 111.9 | 383.9 | Fair | 84.8 | 04 0254 |
| NBI report | SUNSET AVE | US HIGHWAY 101 | 01-HUM-101-86.94-ARC | Prestressed Box beam or girders - Multiple (2 spans) | -- | 1976 | -- | 151.9 | 258.9 | Good | 98.4 | 04 0244 |
| NBI report | U.S. HIGHWAY 101 | STATE ROUTE 283 | 01-HUM-101-R51.83 | Prestressed Box beam or girders - Multiple | -- | 1976 | -- | 86.9 | 89.9 | Good | 97.0 | 04 0234 |
| NBI report | US HIGHWAY 101 NB | EEL RIV,EDWARDS DR,NCRRA | 01-HUM-101-R51.99 | Prestressed Box Beam or girders - Single or Spread (5 spans) | -- | 1976 | -- | 298.6 | 1426.9 | Good | 96.2 | 04 0221R |
| NBI report | US HIGHWAY 101 NB | SCENIC WAY | 01-HUM-101-R53.38-RDEL | Prestressed Box beam or girders - Multiple | -- | 1976 | -- | 125.0 | 126.0 | Good | 98.0 | 04 0235R |
| NBI report | US HIGHWAY 101 SB | EEL RIV,EDWARDS DR,NCRRA | 01-HUM-101-R51.99 | Prestressed Box beam or girders - Multiple (5 spans) | -- | 1976 | -- | 310.1 | 1387.2 | Fair | 84.7 | 04 0221L |
| NBI report | US HIGHWAY 101 SB | SCENIC WAY | 01-HUM-101-R53.38-RDEL | Prestressed Box beam or girders - Multiple | -- | 1976 | -- | 124.0 | 125.0 | Good | 98.0 | 04 0235L |
| NBI report | IRR BIA RTE 11 | PINE CREEK | 16 KM NW OF HOOPA | Prestressed Tee beam (2 spans) | -- | 1977 | -- | 61.0 | 124.7 | Fair | 92.8 | 00000000000J120 |
| NBI report | IRR BIA RTE 18 | PINE CREEK | 1.5KM S MARTIN FERRY BD. | Prestressed Tee beam (2 spans) | -- | 1977 | -- | 63.7 | 122.4 | Fair | 79.0 | 00000000000J140 |
| NBI report | MATTOLE RD | HARPER CREEK | 4.3 MI W/O RTE 101 | Concrete Culvert (2 spans) | -- | 1977 | -- | 11.2 | 22.0 | Good | 73.8 | 04P0007 |
| NBI report | NO DATA ENTERED | RED CAP CREEK | S19 T10N R6E | Concrete Stringer/Multi-beam or girder (3 spans) | -- | 1977 | -- | -- | 190.0 | Good | 100.0 | 051052000001017 |
| NBI report | BLUE SLIDE RD | HOWE CREEK | JCT HOWE CREEK ROAD | Prestressed Box beam or girders - Multiple | -- | 1978 | -- | 92.2 | 94.2 | Fair | 98.3 | 04C0046 |
| NBI report | NO DATA ENTERED | NO DATA ENTERED | NO DATA ENTERED | Concrete Stringer/Multi-beam or girder | -- | 1978 | -- | 51.8 | 82.0 | Good | 86.5 | 051053000001019 |
| NBI report Bridgehunter | STATE ROUTE 255 | MARINA ROAD | 01-HUM-255-0.66-EUR | Steel Arch - Deck | -- | 1979 | -- | 24.6 | 28.9 | Fair | 69.9 | 04 0281 |
| NBI report | U.S. HIGHWAY 101 | PACIFIC LUMBER CO RD | 01-HUM-101-R51.08 | Concrete Box beam or girders - Multiple | -- | 1979 | -- | 78.1 | 79.7 | Fair | 75.0 | 04 0279 |
| NBI report | HOWE CREEK ROAD | HOWE CREEK | 1.0 MI S/O BLUE SLIDE RD | Prestressed Box beam or girders - Multiple | -- | 1980 | -- | 92.5 | 94.8 | Good | 92.4 | 04C0133 |
| NBI report | NO DATA ENTERED | NO DATA ENTERED | S21 T1N R6E | Concrete Box Beam or girders - Single or Spread | -- | 1980 | -- | 80.1 | 80.1 | Good | 85.0 | 051053000001008 |
| NBI report Bridgehunter | U.S. HIGHWAY 101 | BENBOW DR & S FK EEL RIV | 01-HUM-101-R5.63 | Concrete Box beam or girders - Multiple (9 spans) | -- | 1980 | -- | 175.9 | 1424.0 | Good | 93.6 | 04 0241 |
| NBI report | Butte Creek Road | Butte Creek | 40 mi. SE of Fortuna | Metal Culvert (2 spans) | -- | 1980 | 2004 | 16.4 | 39.0 | Fair | 80.8 | 0000000L2015335 |
| NBI report | NO DATA ENTERED | NO DATA ENTERED | S21 T6N R5E | Concrete Stringer/Multi-beam or girder | -- | 1981 | -- | 57.1 | 60.0 | Good | 88.5 | 051053000001010 |
| NBI report | PRICE CREEK ROAD | PRICE CREEK | 1.5 MI W/O BLUE SLIDE RD | Prestressed Box beam or girders - Multiple | -- | 1981 | -- | 96.1 | 97.4 | Good | 92.2 | 04C0141 |
| NBI report | SHELTER COVE RD | MATTOLE RIVER | 0.7 MI W/O BRICELAND RD | Concrete Box beam or girders - Multiple (2 spans) | -- | 1981 | -- | 95.1 | 191.0 | Good | 72.0 | 04C0016 |
| NBI report | STATE ROUTE 255 | MAD RIVER SLOUGH | 01-HUM-255-R5.13 | Prestressed Stringer/Multi-beam or girder (9 spans) | -- | 1981 | -- | 55.1 | 498.1 | Good | 96.2 | 04 0257 |
| NBI report | STATE ROUTE 36 | VAN DUZEN RIVER | 01-HUM-036-40.45 | Concrete Box beam or girders - Multiple (3 spans) | -- | 1981 | -- | 140.1 | 317.3 | Fair | 81.1 | 04 0129 |
| NBI report | MAPLE HILLS ROAD | SALMON CREEK | JUST S/O SALMON CREEK RD | Prestressed Box beam or girders - Multiple | -- | 1982 | -- | 121.1 | 124.0 | Good | 92.9 | 04C0188 |
| NBI report | SPROWEL CREEK ROAD | SOUTH FORK EEL RIVER | 1.4 MI SW OF INTER W/101 | Prestressed Box beam or girders - Multiple (3 spans) | -- | 1982 | -- | 215.9 | 546.0 | Good | 81.8 | 04C0028 |
| NBI report | GRASSHOPPER LKT RD | SQUAW CREEK | 2 MI S/O MATTOLE RD | Steel Stringer/Multi-beam or girder | Closed | 1983 | -- | 45.9 | 47.9 | Poor | 47.0 | 04P0018 |
| NBI report | HATCHERY ROAD | MAD RIVER | JUST S/O BLUE LAKE | Prestressed Box beam or girders - Multiple (2 spans) | -- | 1983 | -- | 132.9 | 270.0 | Fair | 80.1 | 04C0060 |
| NBI report | MYRTLE AVE | FRESHWATER CREEK | 4.6 MI E/O SR 101 | Concrete Slab (3 spans) | -- | 1983 | -- | 40.0 | 121.1 | Good | 81.6 | 04C0177 |
| NBI report | NO DATA ENTERED | NO DATA ENTERED | S19 T2N R6E | Wood Stringer/Multi-beam or girder | -- | 1983 | -- | 49.9 | 49.9 | Good | 91.3 | 051054000001006 |
| NBI report | HERRICK AVE | US HIGHWAY 101 | 01-HUM-101-74.77 | Concrete Box beam or girders - Multiple (2 spans) | -- | 1984 | -- | 93.2 | 184.1 | Good | 96.1 | 04 0280 |
| NBI report | MYRTLE AVE | FRESHWATER CR OVERFLOW | 0.4 MI W OF KNEELAND RD | Concrete Slab (10 spans) | -- | 1984 | -- | 20.0 | 203.1 | Good | 80.8 | 04C0238 |
| NBI report | STATE ROUTE 36 | VAN DUZEN RIVER | 01-HUM-036-13.37 | Prestressed Box beam or girders - Multiple (4 spans) | -- | 1984 | -- | 165.0 | 580.4 | Good | 99.0 | 04 0094 |
| NBI report | MORGAN SLOUGH ROAD | MORGAN SLOUGH | NORTH OF CAMP WEOTT ROAD | Steel Stringer/Multi-beam or girder | -- | 1984 | 2015 | 72.2 | 89.6 | Good | 46.6 | 04C0192 |
| NBI report | ALBERT ETTER RA RD | BEAR CREEK | 0.2 MI SW/O ETRSBG-HNYDW | Steel Stringer/Multi-beam or girder | -- | 1985 | -- | 85.0 | 88.9 | Fair | 45.1 | 04C0143 |
| NBI report | GOLDEN GATE DR | VAN DUZEN RIVER | 0.5 MI S OF SR 36 | Prestressed Box beam or girders - Multiple (3 spans) | -- | 1985 | -- | 120.1 | 300.9 | Good | 91.5 | 04C0126 |
| NBI report | STATE ROUTE 36 | VAN DUZEN RIVER | 01-HUM-036-17.94 | Prestressed Box beam or girders - Multiple (2 spans) | -- | 1985 | -- | 196.9 | 401.3 | Fair | 90.9 | 04 0284 |
| NBI report | STATE ROUTE 96 | HILLSIDE | 01-HUM-096-8.26 | Concrete Slab (9 spans) | -- | 1985 | -- | 19.0 | 165.0 | Fair | 78.0 | 04 0288 |
| NBI report | STATE ROUTE 96 | HILLSIDE | 01-HUM-096-8.31 | Prestressed Box beam or girders - Multiple (9 spans) | -- | 1985 | -- | 69.9 | 262.5 | Fair | 78.0 | 04 0289 |
| NBI report | MATTOLE RD | DRY CREEK | 1 MI S/O SINGLEY CREEK | Steel Stringer/Multi-beam or girder | -- | 1985 | 2013 | 86.9 | 91.9 | Fair | 53.6 | 04C0241 |
| NBI report | ALBEE CK CAMP | ALBEE CREEK | HUMBOLDT REDWOOD ST. PK. | Steel Stringer/Multi-beam or girder | -- | 1986 | -- | 33.1 | 35.1 | Fair | 53.5 | 04P0011 |
| NBI report | BEAR RIVER ROAD | BONANZA GULCH | 8.5 MI S OF MATTOLE RD | Concrete Slab | -- | 1986 | -- | 40.0 | 42.0 | Good | 94.9 | 04C0163 |
| NBI report | DEVOY RD | FRESHWATER SLOUGH | AT MYRTLE AVE | Concrete Slab (3 spans) | -- | 1986 | -- | 42.0 | 118.1 | Good | 92.8 | 04C0213 |
| NBI report | U.S. HIGHWAY 101 | LOST MAN CREEK | 01-HUM-101-124.71 | Concrete Slab (3 spans) | -- | 1986 | -- | 42.0 | 106.3 | Good | 80.0 | 04 0030 |
| NBI report | WHITLOW RD | SONOMA CREEK | 1 MI N OF SEQUOIA RD | Concrete Box beam or girders - Multiple | -- | 1986 | -- | 60.0 | 62.0 | Good | 91.5 | 04C0137 |
| NBI report | JACK SHAW ROAD | BILLINGS CREEK | 1.3 MI E MOUNTAIN VIEW | Steel Stringer/Multi-beam or girder | -- | 1987 | -- | 72.2 | 74.2 | Fair | 45.5 | 04C0135 |
| NBI report | DAVISON RD | PRAIRIE CREEK | 0.2 MI W JCT WITH SR 101 | Prestressed Box beam or girders - Multiple | -- | 1988 | -- | 100.1 | 102.0 | Fair | 62.9 | 04C0193 |
| NBI report | ELINOR ROAD | GREENLOW CREEK | 0.3 MILE NE OF ROUTE 254 | Steel Stringer/Multi-beam or girder | -- | 1988 | -- | 84.0 | 87.9 | Fair | 38.0 | 04C0178 |
| NBI report | KING SALMON DR | KING SALMON SLOUGH | 1/4 MI NW OF SR 101 | Concrete Slab (5 spans) | -- | 1988 | -- | 20.0 | 103.0 | Good | 77.0 | 04C0230 |
| NBI report | LANPHERE ROAD | MAD RIVER SLOUGH | 2.5 MI WEST OF SR 101 | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 1988 | -- | 77.1 | 232.0 | Good | 77.5 | 04C0023 |
| NBI report | NO DATA ENTERED | NO DATA ENTERED | NO DATA ENTERED | Prestressed Stringer/Multi-beam or girder | -- | 1988 | -- | 65.0 | 65.0 | Good | 88.5 | 051053000001012 |
| NBI report | OLD ARCATA RD | JACOBY CREEK | 1/4 MI N BAYSIDE CUTOFF | Prestressed Slab (2 spans) | -- | 1988 | -- | 44.9 | 89.9 | Good | 95.9 | 04C0182 |
| NBI report | REDWOOD WAY | STRONGS CREEK | 1/2 MI E FORTUNA BL | Concrete Tee beam | -- | 1988 | -- | 58.1 | 63.0 | Good | 95.8 | 04C0242 |
| NBI report | STATE ROUTE 169 | COON CREEK | 01-HUM-169-25.81 | Concrete Box beam or girders - Multiple (3 spans) | -- | 1988 | -- | 129.9 | 299.9 | Good | 92.0 | 04 0219 |
| NBI report | STATE ROUTE 299 | SOUTH FORK TRINITY RIVER | 01-HUM-299-42.95 | Concrete Box beam or girders - Multiple (3 spans) | -- | 1988 | -- | 215.9 | 437.0 | Good | 78.0 | 04 0050 |
| NBI report | U.S. HIGHWAY 101 | REDWOOD CREEK | 01-HUM-101-121.09 | Prestressed Box beam or girders - Multiple (2 spans) | -- | 1988 | -- | 185.0 | 370.1 | Good | 80.0 | 04 0028 |
| NBI report | US HIGHWAY 101 NB | ELK RIVER | 01-HUM-101-74.60 | Concrete Slab (5 spans) | -- | 1988 | -- | 37.4 | 171.3 | Fair | 84.2 | 04 0021R |
| NBI report | REDWOOD HWY | MAY CREEK | PRAIRIE CR REDWOOD ST PK | Concrete Box beam or girders - Multiple | -- | 1989 | -- | 86.9 | 86.9 | Fair | 80.2 | 04P0016 |
| NBI report | STATE ROUTE 254 | HILLSIDE | 01-HUM-254-11.83 | Concrete Slab (11 spans) | -- | 1989 | -- | 36.1 | 379.0 | Good | 99.6 | 04 0292 |
| NBI report | U.S. HIGHWAY 101 | PRAIRIE CREEK | 01-HUM-101-122.86 | Prestressed Slab (2 spans) | -- | 1989 | -- | 60.4 | 121.4 | Good | 80.0 | 04 0029 |
| NBI report | U.S. HIGHWAY 101 | BOYES CREEK | 01-HUM-101-R128.97 | Prestressed Box beam or girders - Multiple (7 spans) | -- | 1989 | -- | 190.0 | 1273.0 | Poor | 92.6 | 04 0286 |
| NBI report | ALDERPOINT RD | CONLEY CREEK | 1 MI S OF BLOCKSBURG | Steel Stringer/Multi-beam or girder | -- | 1990 | -- | 65.0 | 69.9 | Poor | 46.4 | 04C0165 |
| NBI report | U.S. HIGHWAY 101 | NEWTON B DRURY SCENIC PK | 01-HUM-101-R126.10 | Prestressed Box beam or girders - Multiple | -- | 1990 | -- | 105.0 | 105.0 | Fair | 82.3 | 04 0285 |
| NBI report | WILDER RIDGE RD | HONEYDEW CREEK | 2 MI S MATTOLE RD | Prestressed Box beam or girders - Multiple | -- | 1990 | -- | 158.1 | 160.1 | Good | 91.4 | 04C0067 |
| NBI report | STATE ROUTE 169 | ROCK CHUTE CREEK | 01-HUM-169-29.83 | Concrete Slab (3 spans) | -- | 1991 | -- | 19.0 | 49.5 | Good | 92.0 | 04 0220 |
| NBI report | STATE ROUTE 96 | SUPPLY CREEK | 01-HUM-096-11.62 | Concrete Box beam or girders - Multiple | -- | 1991 | -- | 97.1 | 99.4 | Good | 99.6 | 04 0136 |
| NBI report | ELK RIVER ROAD | MARTIN SLOUGH | 0.2 MI SE OF SR 101 | Concrete Slab (3 spans) | -- | 1992 | -- | 32.2 | 80.1 | Good | 93.3 | 04C0080 |
| NBI report | STATE ROUTE 96 | HOSTLER CREEK | 01-HUM-096-R13.26 | Prestressed Box beam or girders - Multiple | -- | 1992 | -- | 118.1 | 118.1 | Good | 99.7 | 04 0294 |
| NBI report | KINGS PEAK ROAD | NORTH FORK BEAR CREEK | 2 MI S/O WILDER RIDGE RD | Prestressed Box beam or girders - Multiple | -- | 1993 | -- | 91.9 | 91.9 | Good | 98.0 | 04C0144 |
| NBI report | STATE ROUTE 96 | MILL CREEK | 01-HUM-096-R14.55 | Prestressed Box beam or girders - Multiple | -- | 1993 | -- | 150.6 | 150.6 | Good | 99.8 | 04 0139 |
| NBI report Bridgehunter | DILLON ROAD | SALT RIVER | JUST N OF PORT KENYON RD | Prestressed Box beam or girders - Multiple (2 spans) | -- | 1994 | -- | 120.1 | 241.5 | Good | 97.9 | 04C0012 |
| NBI report | GLENDALE DR | LINDSAY CREEK | JUST NW OF FIELDBROOK RD | Prestressed Box beam or girders - Multiple | -- | 1995 | -- | 102.0 | 105.0 | Good | 97.6 | 04C0120 |
| NBI report | RED CAP ROAD | BOISE CREEK | 3.7 MILE S. OF SR 96 | Concrete Box beam or girders - Multiple | -- | 1995 | -- | 111.9 | 111.9 | Good | 96.8 | 04C0244 |
| NBI report | STATE ROUTE 169 | MINERS CREEK | 01-HUM-169-26.97 | Concrete Box beam or girders - Multiple (3 spans) | -- | 1995 | -- | 94.2 | 235.6 | Fair | 80.6 | 04 0299 |
| NBI report | STATE ROUTE 254 | HILLSIDE | 01-HUM-254-17.80-STPK | Concrete Slab (5 spans) | -- | 1995 | -- | 30.8 | 147.0 | Good | 98.2 | 04 0298 |
| NBI report | CARSON WOODS ROAD | ROHNER CREEK | 0.3 MI N OF MAIN | Prestressed Stringer/Multi-beam or girder | -- | 1996 | -- | 64.3 | 69.6 | Good | 95.0 | 04C0246 |
| NBI report | MATTOLE ROAD | MCNUTT CREEK | 3.6 MI NW OF PETROLIA | Prestressed Box Beam or girders - Single or Spread | -- | 1996 | -- | 97.4 | 101.4 | Good | 96.0 | 04C0243 |
| NBI report | NORTH FORK ROAD | MATTOLE CREEK | 1.5 MI N/O MATTOLE RD | Concrete Slab | -- | 1996 | -- | 42.7 | 42.7 | Good | 94.1 | 04C0247 |
| NBI report | PRICE CREEK ROAD | PRICE CREEK | 0.9 MI W BLUE SLIDE ROAD | Prestressed Box beam or girders - Multiple | -- | 1996 | -- | 95.5 | 99.7 | Good | 99.0 | 04C0245 |
| NBI report | STATE ROUTE 36 | GRIZZLY CREEK | 01-HUM-036-16.94 | Prestressed Box beam or girders - Multiple | -- | 1996 | -- | 108.9 | 108.9 | Good | 99.0 | 04 0096 |
| NBI report Bridgehunter | US HIGHWAY 101 NB | VAN DUZEN RIVER | 01-HUM-101-56.84 | Prestressed Box beam or girders - Multiple (4 spans) | -- | 1996 | -- | 220.2 | 810.1 | Good | 97.4 | 04 0017R |
| NBI report | US HIGHWAY 101 SB | GANNON SLOUGH | 01-HUM-101-84.70 | Concrete Slab (11 spans) | -- | 1996 | -- | 36.1 | 397.7 | Fair | 82.3 | 04 0024L |
| NBI report | NO DATA ENTERED | GROUSE CREEK | NO DATA ENTERED | Prestressed Stringer/Multi-beam or girder (3 spans) | -- | 1997 | -- | 79.1 | 79.1 | Good | 87.5 | 051053000001007 |
| NBI report | STATE ROUTE 36 | VAN DUZEN RIVER | 01-HUM-036-R23.91 | Prestressed Box beam or girders - Multiple (3 spans) | -- | 1997 | -- | 190.3 | 450.5 | Fair | 86.1 | 04 0293 |
| NBI report | MATTOLE ROAD | DAVIS CREEK | 7.2 MI NW OF PETROLIA | Prestressed Box beam or girders - Multiple | -- | 1998 | -- | 97.1 | 98.4 | Good | 89.1 | 04C0167 |
| NBI report | HOLMES FLAT RD | EEL RIVER | NEAR HOLMES | Steel Stringer/Multi-beam or girder | -- | 1999 | -- | 89.9 | 89.9 | Fair | 44.3 | 04C0252 |
| NBI report | BEAR CANYON ROAD | SOUTH FORK EEL RIVER | 0.3 MI SW/O REDWOOD DR | Prestressed Box beam or girders - Multiple (4 spans) | -- | 2000 | -- | 194.9 | 649.6 | Good | 91.5 | 04C0129 |
| NBI report | ARLINGTON AVENUE | FRANCIS CREEK | JUST W SR 211 IN FERNDALE | Concrete Slab | -- | 2001 | -- | 30.5 | 32.2 | Fair | 98.0 | 04C0249 |
| NBI report | CONKLIN CREEK ROAD | EAST MILL CREEK | 0.2 MI E/O MATTOLE RD | Concrete Slab | -- | 2003 | -- | 36.1 | 37.7 | Good | 97.2 | 04C0251 |
| NBI report | LIGHTHOUSE ROAD | MILL CREEK | 1.5 MI SW OF MATTOLE RD | Concrete Slab | -- | 2003 | -- | 40.0 | 41.7 | Good | 97.0 | 04C0250 |
| NBI report Bridgehunter | REDWOOD DR | BEAR GULCH | 0.2 MI N SR 101 AT GRBRVL | Steel Stringer/Multi-beam or girder (2 spans) | -- | 2004 | -- | 220.5 | 357.6 | Good | 93.4 | 04C0156 |
| NBI report | HOWE CREEK ROAD | HOWE CREEK | 2.1 MI S/O BLUE SLIDE RD | Steel Stringer/Multi-beam or girder | -- | 2006 | -- | 82.0 | 89.6 | Fair | 48.5 | 04C0253 |
| NBI report | STEELHEAD RD | POWERS CREEK | 2.5 MI E/O ALDERPOINT RD | Steel Stringer/Multi-beam or girder | -- | 2007 | -- | 49.5 | 60.0 | Poor | 30.8 | 04C0254 |
| NBI report | US HIGHWAY 101 SB | VAN DUZEN RIVER | 01-HUM-101-56.84 | Prestressed Box beam or girders - Multiple (4 spans) | -- | 2007 | -- | 220.2 | 810.1 | Good | 96.8 | 04 0017L |
| NBI report | SANDY PRAIRIE ROAD | VAN DUZEN RIVER OVERFLOW | 01-HUM-000-0.00 | Concrete Slab (3 spans) | -- | 2009 | -- | 31.5 | 78.7 | Good | 100.0 | 04 0287Y |
| NBI report | MATTOLE ROAD | INDIAN CREEK | 4.5 MI S/O PETROLIA | Concrete Slab | -- | 2010 | -- | 43.0 | 46.3 | Good | 93.8 | 04C0256 |
| NBI report | STATE ROUTE 36 | US HIGHWAY 101 | 01-HUM-036-0.01 | Prestressed Box beam or girders - Multiple (2 spans) | -- | 2010 | -- | 82.0 | 168.3 | Fair | 88.8 | 04 0301 |
| NBI report | US HIGHWAY 101 SB | MAD RIVER | 01-HUM-101-89.63 | Prestressed Box beam or girders - Multiple (4 spans) | -- | 2011 | -- | 225.1 | 750.0 | Good | 73.4 | 04 0311L |
| NBI report | ACCESS ROAD TO CDF | BROWNS CREEK | NE OFKNEELAND,BRIDGEVILLE | Steel Stringer/Multi-beam or girder | -- | 2012 | -- | 44.0 | 44.0 | Good | 87.9 | 04F0004 |
| NBI report | ROUTE 169 | CAPPELL CREEK | 01-HUM-169-22.37 | Concrete Box beam or girders - Multiple (3 spans) | -- | 2012 | -- | 57.7 | 150.3 | Fair | 79.0 | 04 0304 |
| NBI report | ROUTE 169 | MAWAH CREEK | 01-HUM-169-24.98 | Concrete Box beam or girders - Multiple (3 spans) | -- | 2012 | -- | 68.2 | 163.7 | Good | 98.7 | 04 0305 |
| NBI report | ROUTE 169 | RUBE RANCH CREEK | 01-HUM-169-28.49 | Concrete Box beam or girders - Multiple | -- | 2012 | -- | 102.4 | 102.4 | Good | 98.5 | 04 0306 |
| NBI report | ROUTE 169 | MARTINS FERRY SCHOOL CRK | 01-HUM-169-29.95 | Concrete Box beam or girders - Multiple | -- | 2012 | -- | 68.2 | 68.2 | Good | 91.8 | 04 0307 |
| NBI report | US HIGHWAY 101 NB | MAD RIVER | 01-HUM-101-89.63 | Prestressed Box beam or girders - Multiple (4 spans) | -- | 2012 | -- | 225.1 | 750.0 | Good | 73.0 | 04 0311R |
| NBI report | PORT KENYON ROAD | FRANCIS CREEK | 0.5 MI W OF MAIN STREET | Concrete Arch - Deck | -- | 2015 | -- | 38.1 | 38.4 | Good | 97.4 | 04C0262 |
| NBI report | WADDINGTON RD | SALT RIVER | 1.1 MI N/O GRIZZLY BLUFF | Concrete Culvert (7 spans) | -- | 2016 | -- | 13.8 | 106.0 | Good | 99.9 | 04C0261 |
| NBI report | WILLIAMS CREEK RD | WILLIAMS CREEK | 0.1 MI S OF GRIZZLY BLUFF | Concrete Box Beam or girders - Single or Spread | -- | 2016 | -- | 76.4 | 79.7 | Fair | 82.6 | 04C0257 |