| Carries | Crosses | Location | Design | Status | Year Built | Year Recon. | Span Len. | Total Len. | Condition | Suff. Rating | ID | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NBI report Bridgehunter | MAIN STREET | NAPA CREEK | SOUTHEAST PEARL ST | Masonry Arch - Deck | -- | 1860 | 1985 | 41.0 | 55.1 | Poor | 48.8 | 21C0044 |
| NBI report Bridgehunter | POPE ST | NAPA RIVER | SILVERADO TRAIL | Masonry Arch - Deck (3 spans) | NR listed | 1894 | -- | 49.9 | 176.8 | Fair | 41.9 | 21C0109 |
| NBI report Bridgehunter | OLD SONOMA RD | CARNEROS CREEK | 0.2 MI NE/O SH 121/12 | Masonry Arch - Deck | NR listed | 1896 | 1914 | 30.5 | 35.1 | Fair | 49.4 | 21C0017 |
| NBI report Bridgehunter | STATE ROUTE 128 | BLOSSOM CREEK | 04-NAP-128-2.80 | Masonry Arch - Deck | -- | 1901 | 1993 | 20.0 | 22.3 | Fair | 58.4 | 21 0068 |
| NBI report Bridgehunter | STATE ROUTE 29 | GARNETT CREEK | 04-NAP-029-39.08 | Masonry Arch - Deck (3 spans) | NR listed | 1902 | -- | 28.9 | 75.8 | Poor | 31.1 | 21 0005 |
| NBI report Bridgehunter | STATE ROUTE 29 | YORK CREEK | 04-NAP-029-29.29-SHLA | Masonry Arch - Deck | -- | 1902 | 1942 | 30.8 | 35.1 | Good | 57.7 | 21 0017 |
| NBI report Bridgehunter | SPRING MOUNTAIN RD | YORK CREEK | 0.3 MI WEST OF MADRONA ST | Masonry Arch - Deck | -- | 1903 | 1935 | 28.9 | 33.1 | Fair | 47.3 | 21C0113 |
| NBI report Bridgehunter | GREENWOOD AVE | GARNETT CREEK | .2 MI NE/O MYRTLEDALE RD | Masonry Arch - Deck | Closed ~ NR listed | 1904 | -- | 32.2 | 49.9 | Poor | 26.0 | 21C0042 |
| NBI report Bridgehunter | SEMINARY ST | NAPA CREEK | AT ARROYO | Masonry Arch - Deck | -- | 1904 | 1933 | 46.9 | 55.1 | Good | 63.0 | 21C0092 |
| NBI report Bridgehunter | JEFFERSON STREET | NAPA CREEK | AT CEDAR AVE | Masonry Arch - Deck | -- | 1904 | 1970 | 48.9 | 99.1 | Good | 66.0 | 21C0010 |
| NBI report Bridgehunter | CHILES-POPE VLY RD | CHILES CREEK | 2.1 MI N OF S.R. 128 | Concrete Tee beam | -- | 1907 | 1950 | 28.2 | 84.6 | Poor | 51.7 | 21C0075 |
| NBI report Bridgehunter | TRANCAS ST | MILLIKEN CREEK | JUST WEST OF SR 121 | Masonry Arch - Deck (5 spans) | NR listed | 1908 | -- | 40.0 | 169.0 | Fair | 50.7 | 21C0051 |
| NBI report Bridgehunter | POPE ST | SULPHUR CREEK | 0.25 MI N/W SR 29 | Masonry Arch - Deck | -- | 1908 | 1950 | 46.9 | 60.0 | Fair | 45.0 | 21C0110 |
| NBI report Bridgehunter | HARDIN RD | MAXWELL CREEK | 1.6 MI SE POPE CYN ROAD | Masonry Arch - Deck | NR listed | 1909 | -- | 23.0 | 38.1 | Fair | 44.3 | 21C0058 |
| NBI report Bridgehunter | LARKMEAD LANE | DUTCH HENRY CREEK | 0.4 MI S/W SILVERDO TRAIL | Masonry Arch - Deck (2 spans) | -- | 1910 | -- | 21.0 | 48.9 | Fair | 56.8 | 21C0108 |
| NBI report Bridgehunter | OAK KNOLL AVE | NAPA RIVER OVERFLOW | 300' W SILVERADO TRAIL | Masonry Arch - Deck | -- | 1910 | -- | 20.3 | 20.3 | Fair | 44.6 | 21C0104 |
| NBI report Bridgehunter | STATE ROUTE 29 | SULPHUR CREEK | 04-NAP-029-28.43-SHLA | Masonry Arch - Deck | -- | 1910 | 1975 | 59.1 | 65.9 | Good | 60.6 | 21 0016 |
| NBI report Bridgehunter | AETNA SPRINGS RD | SWARTZ CREEK | 0.8 MI W POPE VALLEY RD | Masonry Arch - Deck | NR listed | 1912 | -- | 42.0 | 54.1 | Fair | 48.1 | 21C0046 |
| NBI report Bridgehunter | ZINFANDEL LANE | NAPA RIVER | 1 MI E RT 29 WHEELER STA | Masonry Arch - Deck (2 spans) | NR listed | 1913 | -- | 40.0 | 95.1 | Poor | 27.0 | 21C0002 |
| NBI report | GRANT ST | GARNETT CREEK | 0.2 MI SE GREENWOOD AVE | Concrete Tee beam | -- | 1918 | 1948 | 35.1 | 39.0 | Poor | 41.0 | 21C0103 |
| NBI report | STATE ROUTE 121 | TULUCAY CREEK | 04-NAP-121-6.42-NAP | Concrete Tee beam (2 spans) | -- | 1918 | 1963 | 21.3 | 44.9 | Poor | 30.5 | 21 0003 |
| NBI report | STATE ROUTE 29 | NAPA RIVER | 04-NAP-029-37.03-CSTG | Concrete Tee beam (2 spans) | -- | 1919 | 1952 | 27.9 | 62.0 | Fair | 83.9 | 21 0018 |
| NBI report Bridgehunter | BERRYESSA-KNOXVLLE | ETICUERA CREEK | 7.8 MI N/O POPE CYN ROAD | Concrete Tee beam | -- | 1920 | -- | 48.9 | 53.2 | Poor | 26.9 | 21C0074 |
| NBI report | DRY CR RD | DRY CREEK | 0.8 MI W MT VEEDER RD | Concrete Tee beam | -- | 1920 | -- | 26.9 | 33.5 | Poor | 48.9 | 21C0056 |
| NBI report Bridgehunter | PEARL ST | NAPA CREEK | BTWN MAIN AND COOMBS STS | Masonry Arch - Deck | -- | 1920 | -- | 43.0 | 49.9 | Poor | 48.4 | 21C0097 |
| NBI report | ROUTE 29 | GARNETT CREEK BRANCH | 04-NAP-029-38.96 | Concrete Culvert (2 spans) | -- | 1920 | -- | 8.2 | 49.9 | Fair | 53.5 | 21 0111 |
| NBI report | CONN VALLEY RD | CONN CREEK | 4.1 MI E SILVERADO TRAIL | Concrete Tee beam | -- | 1920 | 1946 | 36.1 | 37.1 | Fair | 31.6 | 21C0077 |
| NBI report Bridgehunter | PRATT AVENUE | NAPA RIVER | 0.1 MI S SILVERADO TRAIL | Concrete Girder and floorbeam system (2 spans) | -- | 1921 | -- | 57.1 | 120.1 | Fair | 71.5 | 21C0072 |
| NBI report | STATE ROUTE 128 | HOPPER SLOUGH | 04-NAP-128-5.12 | Concrete Girder and floorbeam system | -- | 1921 | -- | 39.0 | 41.0 | Poor | 26.4 | 21 0019 |
| NBI report | OAK KNOLL AVE | NAPA RIVER | 0.3 MI SW SLVRDO TRAIL | Concrete Tee beam (3 spans) | -- | 1922 | -- | 61.0 | 128.9 | Good | 59.0 | 21C0067 |
| NBI report | SHURTLEFF AVE | TULOCAY CR (CAYETANO CR) | AT WYATT RD | Concrete Tee beam (2 spans) | -- | 1925 | 1970 | 27.9 | 57.1 | Good | 85.2 | 21C0086 |
| NBI report | HEDGESIDE AVENUE | MILLIKEN CREEK | 0.4 MI NW RTE 121 | Concrete Tee beam (6 spans) | -- | 1925 | 1987 | 15.1 | 90.9 | Good | 60.0 | 21C0059 |
| NBI report | OAKVILLE CROSS RD | CONN CREEK OVERFLOW | 1.3 MI NE SR 29 | Concrete Tee beam (3 spans) | -- | 1925 | 1991 | 24.0 | 73.2 | Good | 78.2 | 21C0082 |
| NBI report Bridgehunter | LARKMEAD LANE | NAPA RIVER | 0.6 MI N OF S.R. 29 | Concrete Tee beam (2 spans) | -- | 1926 | -- | 42.0 | 85.0 | Good | 68.3 | 21C0061 |
| NBI report | AIRPORT RD | FAGAN CREEK | 1.0 MI W OF SR 12/29 | Concrete Tee beam | -- | 1930 | -- | 24.3 | 26.6 | Good | 53.7 | 21C0047 |
| NBI report Bridgehunter | BARNETT RD | BURTON CREEK | 0.1 MI N POPE VALLEY ROAD | Concrete Tee beam | -- | 1930 | -- | 22.0 | 27.9 | Fair | 48.6 | 21C0049 |
| NBI report | DRY CREEK RD | DRY CREEK | 3.5 MI S OAKVILLE GRADE | Concrete Tee beam (2 spans) | -- | 1930 | -- | 24.9 | 56.1 | Fair | 38.4 | 21C0055 |
| NBI report | DUHIG ROAD | HUICHICHA CREEK | 0.4 MI S LAS AMIGAS RD | Concrete Tee beam | -- | 1930 | -- | 24.9 | 25.9 | Good | 55.2 | 21C0078 |
| NBI report | LIVERMORE RD | TROUTDALE CREEK | JUST E OF SR29 @ PM 47.78 | Concrete Tee beam | -- | 1930 | -- | 20.0 | 22.3 | Good | 71.3 | 21C0062 |
| NBI report | LIVERMORE RD | VAN NESS CREEK | N OF WEBER ST | Concrete Tee beam | -- | 1930 | -- | 20.0 | 22.0 | Good | 74.3 | 21C0063 |
| NBI report Bridgehunter | LODI LANE | NAPA RIVER | 0.2 MI W SILVERADO TRAIL | Steel Truss - Thru | -- | 1930 | -- | 100.1 | 104.0 | Fair | 70.4 | 21C0064 |
| NBI report | MT VEEDER RD | DRY CREEK | 0.1 MI S DRY CREEK RD | Concrete Tee beam | -- | 1930 | -- | 24.0 | 26.2 | Fair | 56.4 | 21C0065 |
| NBI report Bridgehunter | MYRTLEDALE RD | NAPA RIVER | 0.2 MI SE TUBBS LANE | Concrete Arch - Deck | -- | 1930 | -- | 20.0 | 24.0 | Fair | 64.7 | 21C0066 |
| NBI report Bridgehunter | OAK KNOLL AVE | NAPA RIVER OVERFLOW | 0.35 MI SW SLVRDO TRAIL | Concrete Tee beam (2 spans) | -- | 1930 | -- | 19.0 | 40.0 | Good | 75.4 | 21C0068 |
| NBI report | SKELLENGER LANE | CONN CREEK | 0.7 MI W SILVERADO TRAIL | Concrete Tee beam (3 spans) | -- | 1930 | -- | 26.9 | 84.0 | Fair | 66.2 | 21C0087 |
| NBI report | SODA CYN RD | SODA CREEK | 3.1 MI N SILVERADO TRAIL | Concrete Tee beam | -- | 1930 | -- | 24.0 | 27.9 | Fair | 33.7 | 21C0088 |
| NBI report | WOODEN VLY CROS RD | SUISUN CREEK | 0.06 MI NE WOODEN VALY RD | Concrete Tee beam (3 spans) | -- | 1930 | -- | 29.9 | 83.0 | Good | 60.2 | 21C0102 |
| NBI report | SILVERADO TRAIL | NAPA RIVER OVERFLOW | 0.1 MILES N OF HARDMAN RD | Concrete Tee beam (4 spans) | -- | 1930 | 1958 | 14.1 | 58.4 | Good | 79.3 | 21C0015 |
| NBI report | SILVERADO TRAIL | NAPA RIVER OVERFLOW | 0.2 MI NORTH HARDMAN RD | Concrete Tee beam (6 spans) | -- | 1930 | 1958 | 14.1 | 85.6 | Fair | 70.2 | 21C0016 |
| NBI report | SILVERADO TRAIL | NO NAME CREEK | 2.0 MI N/W OAKNOLL AVE | Concrete Tee beam (2 spans) | -- | 1930 | 1971 | 15.1 | 32.2 | Good | 66.4 | 21C0028 |
| NBI report | SILVERADO TRAIL | BELL CANYON CREEK | AT GLASS MTN RD | Concrete Slab | -- | 1936 | 1976 | 26.9 | 30.8 | Fair | 81.6 | 21C0001 |
| NBI report Bridgehunter | BALE LANE | NAPA RIVER | 0.1 MI W SILVERADO TRAIL | Steel Truss - Thru | -- | 1937 | -- | 100.1 | 104.0 | Fair | 65.2 | 21C0048 |
| NBI report | SILVERADO TRAIL | DUTCH HENRY CREEK | .4 MI N/O LARKMEAD LANE | Concrete Culvert (4 spans) | -- | 1938 | 1976 | 8.9 | 36.4 | Poor | 47.9 | 21C0030 |
| NBI report | RAGATZ LANE | YOUNTVILLE OVERFLOW | 0.7 MI NE WASHINGTN ST | Steel Stringer/Multi-beam or girder | -- | 1940 | -- | 27.9 | 30.8 | Fair | 58.8 | 21C0085 |
| NBI report | AMERICAN CANYON RD | AMERICAN CANYON CREEK | 0.1 MI EAST OF SR 29 | Concrete Slab | -- | 1940 | 2007 | 24.0 | 25.9 | Good | 64.0 | 21C0038 |
| NBI report | STATE ROUTE 29 | AMERICAN CANYON CREEK | 04-NAP-029-0.56 | Concrete Culvert (2 spans) | -- | 1943 | 1970 | 11.2 | 23.0 | Good | 59.5 | 21 0040 |
| NBI report | STATE ROUTE 221 | BASALT ROAD | 04-NAP-221-1.50-NAP | Concrete Slab | -- | 1944 | -- | 31.5 | 34.8 | Good | 74.9 | 21 0039 |
| NBI report Bridgehunter | STATE ROUTE 128 | SAGE CREEK | 04-NAP-128-11.26 | Concrete Arch - Deck | -- | 1945 | -- | 21.0 | 23.0 | Good | 70.9 | 21 0074 |
| NBI report | STATE ROUTE 29 NB | NAPA CREEK | 04-NAP-029-11.65-NAP | Concrete Slab (3 spans) | -- | 1949 | 1970 | 44.9 | 107.9 | Good | 96.8 | 21 0022R |
| NBI report | STATE ROUTE 121 | TULUCAY CREEK | 04-NAP-121-R5.71 | Concrete Slab (3 spans) | -- | 1949 | 1997 | 24.0 | 62.0 | Good | 83.0 | 21 0077 |
| NBI report | RAGATZ LANE | NAPA RIVER OVERFLOW | 0.45 MI NE FRONTAGE RD | Concrete Culvert (3 spans) | -- | 1950 | -- | 13.1 | 40.0 | Fair | 82.9 | 21C0084 |
| NBI report | LOMA VISTA DR | SODA CREEK | 1.4 MI N SILVERADO TRAIL | Steel Stringer/Multi-beam or girder | -- | 1953 | -- | 24.0 | 26.9 | Fair | 58.2 | 21C0080 |
| NBI report | STATE ROUTE 121 | CARNEROS CREEK | 04-NAP-121-2.40 | Concrete Slab (3 spans) | -- | 1954 | 1985 | 36.1 | 95.1 | Fair | 83.0 | 21 0002 |
| NBI report Bridgehunter | CAPELL CROSS RD | CAPELL CREEK | 0.1 MI W/O SR 128 | Steel Arch - Deck | -- | 1955 | -- | 29.9 | 30.8 | Good | 89.5 | 21C0101 |
| NBI report | STATE ROUTE 128 | WRAGG CREEK | 04-NAP-128-27.90 | Steel Culvert (2 spans) | -- | 1955 | -- | 12.1 | 25.9 | Good | 93.4 | 21 0081 |
| NBI report | LINCOLN AVENUE | NAPA RIVER | JUST W SR 121 | Concrete Tee beam (4 spans) | -- | 1956 | -- | 64.0 | 263.1 | Poor | 75.0 | 21C0011 |
| NBI report Bridgehunter | STATE ROUTE 128 | CAPELL CREEK | 04-NAP-128-20.23 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 1956 | -- | 80.1 | 205.1 | Good | 65.5 | 21 0078 |
| NBI report | KNOXV-BERRYESSA RD | PUTAH CRK(LK BERRYESSA) | 1 MI N/O POPE CANYON RD | Steel Stringer/Multi-beam or girder (6 spans) | -- | 1957 | -- | 166.0 | 818.6 | Poor | 77.0 | 21C0014 |
| NBI report | SILVERADO TRAIL | RECTOR CREEK | 1 MI N YOUNTVILE CROSS RD | Prestressed Tee beam | -- | 1957 | -- | 48.9 | 51.8 | Good | 86.1 | 21C0019 |
| NBI report | KNOXV-BERRYESSA RD | POPE CRK.(LAKE BERRYESSA | .2 MI S/O POPE CANYON RD | Steel Stringer/Multi-beam or girder (4 spans) | -- | 1957 | 1958 | 166.0 | 703.4 | Poor | 65.0 | 21C0013 |
| NBI report | ST RTE 29, BYWAY E | CRAIG CREEK | 04-NAP-029-14.11-NAP | Concrete Culvert (2 spans) | -- | 1958 | -- | 12.1 | 25.9 | Good | 79.1 | 21 0048 |
| NBI report | COOK ROAD | NAPA RIVER | 1.7 MI N RT 49 YNTVL C R | Prestressed Tee beam | -- | 1959 | -- | 99.1 | 100.1 | Fair | 82.8 | 21C0004 |
| NBI report | HARDMAN AVENUE | NAPA RIVER OVERFLOW | JUST E OF SILVERADO TRAIL | Concrete Slab (2 spans) | -- | 1959 | -- | 30.8 | 62.0 | Fair | 85.2 | 21C0022 |
| NBI report | STATE ROUTE 29 | CALIFORNIA DRIVE | 04-NAP-029-19.04-YNTV | Concrete Tee beam (3 spans) | -- | 1959 | 1970 | 60.0 | 113.9 | Fair | 79.3 | 21 0047 |
| NBI report | TRANCAS ST | NAPA RIVER | 1.3 MI E SR 29 | Concrete Tee beam (3 spans) | -- | 1960 | -- | 75.8 | 341.9 | Poor | 51.4 | 21C0003 |
| NBI report | WINE COUNTRY AVE | NAPA DRAIN | AT SOLANO AVE | Concrete Culvert (2 spans) | -- | 1960 | 2016 | 11.2 | 23.0 | Good | 90.1 | 21C0111 |
| NBI report | OLD SONOMA ROAD | STATE ROUTE 29 | 04-NAP-029-10.70-NAP | Prestressed Stringer/Multi-beam or girder (4 spans) | -- | 1961 | -- | 65.0 | 306.8 | Fair | 72.8 | 21 0087 |
| NBI report | STATE ROUTE 29 NB | STATE RTE 121/IMOLA AVE | 04-NAP-029-R10.38-NAP | Concrete Box beam or girders - Multiple | -- | 1961 | -- | 88.9 | 88.9 | Fair | 78.4 | 21 0086R |
| NBI report | STATE ROUTE 29 SB | STATE RTE 121/IMOLA AVE | 04-NAP-029-R10.38-NAP | Concrete Box beam or girders - Multiple | -- | 1961 | -- | 88.3 | 88.3 | Good | 68.7 | 21 0086L |
| NBI report | STATE ROUTE 29 | PERFUME CREEK | 04-NAP-029-17.81-YNTV | Concrete Culvert (2 spans) | -- | 1963 | -- | 9.8 | 22.0 | Good | 67.0 | 21 0051 |
| NBI report | FIRST STREET | STATE ROUTE 29 | 04-NAP-029-11.55-NAP | Steel Stringer/Multi-beam or girder (2 spans) | -- | 1964 | -- | 98.4 | 295.6 | Good | 80.2 | 21 0088 |
| NBI report | STATE ROUTE 29 SB | NAPA CREEK | 04-NAP-029-11.65-NAP | Concrete Tee beam (3 spans) | -- | 1964 | -- | 45.9 | 107.9 | Good | 92.1 | 21 0022L |
| NBI report | DUNAWEAL LANE | NAPA RIVER | 0.2 MI N/E SH 29 | Concrete Tee beam (2 spans) | -- | 1965 | -- | 51.2 | 102.7 | Poor | 94.9 | 21C0025 |
| NBI report | DEER PARK ROAD | NAPA RIVER | 0.5 MI NE SR 29 | Concrete Tee beam (3 spans) | -- | 1966 | -- | 69.9 | 175.9 | Poor | 77.8 | 21C0023 |
| NBI report Bridgehunter | WOODEN VALLEY RD | WOODEN VALLEY CREEK | 3.4 MI S SR 121 | Concrete Culvert (3 spans) | -- | 1966 | -- | 21.0 | 65.0 | Good | 95.8 | 21C0033 |
| NBI report | LINCOLN AVENUE | STATE ROUTE 29 | 04-NAP-029-12.04-NAP | Prestressed Stringer/Multi-beam or girder (2 spans) | -- | 1967 | -- | 100.1 | 269.0 | Good | 90.6 | 21 0089 |
| NBI report | OAKVILLE CROSS RD | CONN CREEK | 0.9 MI W SILVERADO TRAIL | Concrete Slab (4 spans) | -- | 1967 | -- | 27.9 | 113.9 | Fair | 99.8 | 21C0083 |
| NBI report | BUTTS CANYON RD | FP CREEK | 3.5 MI S LAKE COUNTY LINE | Steel Culvert (3 spans) | -- | 1968 | -- | 6.9 | 22.0 | Good | 91.6 | 21C0034 |
| NBI report | CHILES POPE VLY RD | CHILES CREEK | 4.0 MI N OF SR 128 | Concrete Culvert (2 spans) | -- | 1968 | -- | 21.7 | 44.9 | Fair | 94.3 | 21C0105 |
| NBI report | STATE ROUTE 121 | HUICHICA CREEK | 04-NAP-121-0.75 | Steel Culvert (3 spans) | -- | 1968 | -- | 6.9 | 26.9 | Fair | 80.0 | 21 0001 |
| NBI report | ATLAS PEAK ROAD | MILLIKEN CREEK | 0.35 MI NW OF SR 121 | Concrete Slab (3 spans) | -- | 1969 | -- | 32.2 | 82.0 | Fair | 97.5 | 21C0032 |
| NBI report Bridgehunter | Old Pope Canyon Rd | Pope Creek | 5 mi NW of Lake Berryessa | Concrete Arch - Deck | -- | 1969 | -- | 42.0 | 44.0 | Fair | 83.5 | 0000000L1838508 |
| NBI report | CRYSTAL SPRINGS RD | BELL CREEK | 0.9 MI N SANITARIAN RD | Concrete Culvert (3 spans) | -- | 1970 | -- | 15.1 | 44.9 | Fair | 87.4 | 21C0054 |
| NBI report | MULBERRY ST | HOPPER CREEK | 0.2 MI E YOUNT ST | Concrete Culvert (3 spans) | -- | 1970 | -- | 6.9 | 22.0 | Good | 89.4 | 21C0100 |
| NBI report | SOLANO AVE | DRY CREEK | JUST SOUTH OF DARMS LANE | Concrete Tee beam (2 spans) | -- | 1970 | -- | 42.0 | 86.0 | Fair | 81.2 | 21C0020 |
| NBI report | STAGE COACH CYN RD | BUTTS CREEK | 3.4 MI E BUTTS CYN RD | Concrete Slab (4 spans) | -- | 1970 | -- | 26.9 | 107.3 | Good | 79.7 | 21C0089 |
| NBI report | STAGE COACH CYN RD | BUTTS CREEK | 3.7 MI E BUTTS CYN RD | Concrete Slab (4 spans) | -- | 1970 | -- | 24.9 | 92.5 | Good | 78.6 | 21C0090 |
| NBI report | WASHINGTON ST | DRY CREEK | JUST SOUTH OF DARMS LANE | Concrete Tee beam (2 spans) | -- | 1970 | -- | 42.0 | 86.0 | Fair | 86.2 | 21C0021 |
| NBI report | WEST PUEBLO AVE | REDWOOD CREEK | AT RANCHO DRIVE | Concrete Slab | -- | 1970 | -- | 30.8 | 32.8 | Good | 66.2 | 21C0099 |
| NBI report | TROWER AVE | NAPA DRAIN | JUST E JEFFERSON ST | Concrete Culvert (3 spans) | -- | 1970 | 1991 | 14.1 | 33.1 | Poor | 62.4 | 21C0129 |
| NBI report | STATE ROUTE 29 | DRY CREEK | 04-NAP-029-16.48 | Concrete Slab (2 spans) | -- | 1970 | 1997 | 42.0 | 87.6 | Good | 81.8 | 21 0014 |
| NBI report | POPE VALLEY RD | DUVALL CREEK | 5.50 MI S LAKE CO LINE | Concrete Culvert (2 spans) | -- | 1972 | -- | 10.8 | 22.3 | Fair | 80.8 | 21C0036 |
| NBI report | SILVERADO TRAIL | SODA SPRINGS CREEK | 0.06 MI N SODA CANYON | Concrete Culvert (2 spans) | -- | 1972 | -- | 21.0 | 42.0 | Good | 90.7 | 21C0006 |
| NBI report | STATE ROUTE 128 | CONN CREEK | 04-NAP-128-R7.41 | Concrete Slab (3 spans) | -- | 1973 | -- | 40.0 | 121.1 | Good | 93.2 | 21 0021 |
| NBI report | TRANCAS ST | MILLIKEN CREEK | JUST WEST OF SR 121 | Concrete Tee beam (2 spans) | -- | 1973 | -- | 48.9 | 99.1 | Poor | 86.2 | 21C0026 |
| NBI report | BROADWAY | AMERICAN CANYON CREEK | S/O AMERICAN CYN RD | Concrete Culvert (2 spans) | -- | 1973 | 2007 | 10.5 | 22.0 | Good | 97.8 | 21C0045 |
| NBI report | REDWOOD ROAD | REDWOOD CREEK | S/E OF MT VEEDER RD | Concrete Box beam or girders - Multiple | -- | 1977 | -- | 48.9 | 49.9 | Good | 79.3 | 21C0041 |
| NBI report | STATE ROUTE 29 | NVRR, NAPA RIVER, STANLY | 04-NAP-029-R6.99 | Prestressed Box beam or girders - Multiple (13 spans) | -- | 1977 | -- | 250.0 | 2230.1 | Good | 98.0 | 21 0049 |
| NBI report | SILVERADO TRAIL | SIMMONS CANYON CREEK | 0.35 MI NW DUNAWEAL LANE | Concrete Culvert (2 spans) | -- | 1978 | -- | 14.1 | 29.9 | Good | 96.7 | 21C0031 |
| NBI report | STATE ROUTE 29 NB | CFNR & PAOLI LOOP ROAD | 04-NAP-029-R2.37 | Concrete Box beam or girders - Multiple (4 spans) | -- | 1979 | -- | 77.1 | 213.9 | Good | 97.0 | 21 0043R |
| NBI report | STATE ROUTE 29 SB | CFNR & PAOLI LOOP ROAD | 04-NAP-029-R2.37 | Concrete Box beam or girders - Multiple (4 spans) | -- | 1979 | -- | 77.1 | 213.9 | Good | 96.9 | 21 0043L |
| NBI report | EVEY RD | NAPA RIVER | 0.4 MI N BENNETT LANE | Concrete Culvert (2 spans) | -- | 1980 | -- | 17.1 | 35.1 | Good | 92.4 | 21C0057 |
| NBI report Bridgehunter | SOSCOL AVE | NAPA RIVER | 0.1 MI S FIRST ST | Prestressed Box beam or girders - Multiple | -- | 1980 | -- | 178.2 | 178.8 | Poor | 86.6 | 21C0039 |
| NBI report | DEVLIN ROAD | SOSCOL CREEK | 0.2 MI E SOSCOL FERRY RD | Concrete Slab (3 spans) | -- | 1981 | -- | 19.0 | 49.9 | Good | 86.2 | 21C0053 |
| NBI report | STATE ROUTE 128 | NAPA RIVER | 04-NAP-128-5.25 | Prestressed Box beam or girders - Multiple (2 spans) | -- | 1981 | -- | 65.0 | 129.9 | Good | 94.5 | 21 0020 |
| NBI report | STATE ROUTE 29 | STANLEY CREEK | 04-NAP-029-R8.33 | Concrete Culvert (3 spans) | -- | 1981 | -- | 7.9 | 32.2 | Good | 79.9 | 21 0098 |
| NBI report | STATE ROUTE 29 NB | NAPA VALLEY CORPORATE DR | 04-NAP-029-R6.64 | Prestressed Box beam or girders - Multiple | -- | 1981 | -- | 136.2 | 138.5 | Good | 97.9 | 21 0094R |
| NBI report | STATE ROUTE 29 SB | SUSCOL CREEK | 04-NAP-029-R6.08 | Concrete Slab (3 spans) | -- | 1981 | -- | 24.6 | 62.0 | Good | 94.9 | 21 0071L |
| NBI report | STATE ROUTE 29 SB | NAPA VALLEY CORPORATE DR | 04-NAP-029-R6.63 | Prestressed Box beam or girders - Multiple | -- | 1981 | -- | 136.2 | 138.5 | Good | 97.9 | 21 0094L |
| NBI report Bridgehunter | VALLEYVIEW ST | SULPHUR CREEK | 0.1 MI N GRAYSON AVE | Metal Arch - Deck (3 spans) | -- | 1981 | -- | 18.0 | 54.1 | Good | 96.9 | 21C0112 |
| NBI report | REDWOOD ROAD | REDWOOD CREEK | AT DRY CREEK ROAD | Prestressed Box beam or girders - Multiple | -- | 1982 | -- | 79.1 | 80.1 | Good | 96.1 | 21C0043 |
| NBI report | YOUNTVILLE CROSS R | NAPA RIVER | 0.9 MI SW SILVERADO TRAIL | Prestressed Stringer/Multi-beam or girder (6 spans) | -- | 1985 | -- | 96.1 | 575.2 | Fair | 83.0 | 21C0116 |
| NBI report | BUTTS CANYON RD | JAMES CREEK | 0.1 MI S JAMES CREEK RD | Prestressed Stringer/Multi-beam or girder | -- | 1986 | -- | 119.1 | 122.1 | Fair | 98.1 | 21C0035 |
| NBI report | POPE CANYON ROAD | POPE CREEK | 0.3 MI N CHILES POPE VALY | Prestressed Stringer/Multi-beam or girder (2 spans) | -- | 1986 | -- | 113.9 | 230.0 | Fair | 97.7 | 21C0118 |
| NBI report | LAS AMIGAS RD | CARNEROS CREEK | 0.15 MI SW CUTTING WHARF | Concrete Slab (3 spans) | -- | 1987 | -- | 20.0 | 48.9 | Good | 95.4 | 21C0081 |
| NBI report | BIG RANCH ROAD | SALVADOR OVERFLOW | 0.3 MI N TRANCAS ST | Prestressed Slab | -- | 1988 | -- | 69.9 | 69.9 | Good | 90.5 | 21C0050 |
| NBI report | PETRIFIED FORST RD | CYRUS CREEK | 0.5 MI W OF SR 128 | Concrete Arch - Deck | -- | 1989 | -- | 22.0 | 22.0 | Good | 67.0 | 21C0119 |
| NBI report | POPE CANYON RD | YOKEL CREEK | S POPE VALLY CROSS RD | Steel Culvert (3 spans) | -- | 1989 | -- | 6.9 | 21.0 | Good | 98.7 | 21C0106 |
| NBI report | REDWOOD ROAD | REDWOOD CREEK | JUST W MT VEEDER RD | Concrete Box beam or girders - Multiple | -- | 1989 | -- | 67.9 | 67.9 | Fair | 73.7 | 21C0073 |
| NBI report | CALIFORNIA BLVD | NAPA CREEK | 0.2 MI N FIRST ST | Prestressed Box beam or girders - Multiple | -- | 1990 | -- | 94.2 | 97.1 | Poor | 72.8 | 21C0122 |
| NBI report | JEFFERSON ST | NAPA DRAIN | JUST NORTH OF TROWER AVE | Concrete Culvert (3 spans) | -- | 1991 | -- | 17.1 | 54.8 | Good | 97.8 | 21C0128 |
| NBI report | STATE ROUTE 128 | CYRUS CREEK | 04-NAP-128-3.74 | Concrete Box beam or girders - Multiple | -- | 1993 | -- | 50.9 | 50.9 | Good | 95.7 | 21 0027 |
| NBI report | FOURTH AVE | MURPHY CREEK | 0.3 M S/O COOMBSVILLE RD | Concrete Slab (2 spans) | -- | 1994 | -- | 18.0 | 38.4 | Good | 96.5 | 21C0123 |
| NBI report | SR 29 | DOAK CREEK | 04-NAP-029-22.36 | Concrete Culvert (2 spans) | -- | 1995 | -- | 13.1 | 31.5 | Good | 81.0 | 21 0105 |
| NBI report | SR 29 | BALE SLOUGH | 04-NAP-029-25.40 | Concrete Culvert (3 spans) | -- | 1995 | -- | 12.1 | 42.0 | Good | 83.6 | 21 0106 |
| NBI report | VILLA LANE | SILVERADO CREEK | 0.35 MI N/O TRANCAS STR | Steel Stringer/Multi-beam or girder | -- | 1999 | -- | 58.7 | 62.3 | Good | 87.6 | 21C0125 |
| NBI report Bridgehunter | THIRD STREET | NAPA RIVER | JUST W SOSCOL AVE | Prestressed Box beam or girders - Multiple (3 spans) | -- | 2002 | -- | 155.8 | 352.1 | Good | 77.6 | 21C0012 |
| NBI report | TRANCAS ST-REDWOOD | STATE ROUTE 29 | 04-NAP-029-13.00-NAP | Prestressed Box beam or girders - Multiple (2 spans) | -- | 2003 | -- | 102.4 | 194.9 | Fair | 82.3 | 21 0101 |
| NBI report | NAPA VALLEY RR | STATE ROUTE 29 | 04-NAP-029-12.91-NAP | Prestressed Box beam or girders - Multiple | -- | 2004 | -- | 8.2 | -- | -- | -- | 21 0102 |
| NBI report | PEDESTRIAN WALKWAY | STATE ROUTE 29 | 04-NAP-029-12.90-NAP | Prestressed Box beam or girders - Multiple | -- | 2004 | -- | 12.8 | -- | -- | -- | 21 0107 |
| NBI report Bridgehunter | SOSCOL AVE | NAPA RIVER BYPASS | BTWN FIRST AND PEARL STR | Prestressed Box beam or girders - Multiple (3 spans) | -- | 2004 | -- | 139.1 | 335.0 | Fair | 91.1 | 21C0126 |
| NBI report | FIRST STREET | NAPA CR & RIVER OVERFLOW | JUST EAST OF WEST STREET | Prestressed Box beam or girders - Multiple (3 spans) | -- | 2005 | -- | 114.8 | 344.5 | Fair | 97.5 | 21C0127 |
| NBI report | MEADOWBROOK DRIVE | BROWNS VALLEY CREEK | JUST S OF TALL GRASS DR | Steel Stringer/Multi-beam or girder | -- | 2007 | -- | 84.0 | 86.9 | Good | 96.0 | 21C0134 |
| NBI report | SKYLARK WAY | BROWNS VALLEY CREEK | 0.1M N OF TALL GRASS DR | Steel Stringer/Multi-beam or girder | -- | 2007 | -- | 68.9 | 72.2 | Good | 80.0 | 21C0133 |
| NBI report | SR 121 EB IMOLA AV | NAPA RIVER | 04-NAP-121-R5.30-NAP | Prestressed Box beam or girders - Multiple (13 spans) | -- | 2007 | -- | 147.6 | 2145.8 | Fair | 69.6 | 21 0108R |
| NBI report | SR 121 WB IMOLA AV | NAPA RIVER | 04-NAP-121-R5.30-NAP | Prestressed Box beam or girders - Multiple (13 spans) | -- | 2007 | -- | 147.6 | 2142.5 | Fair | 70.7 | 21 0108L |
| NBI report | FIRST STREET | NAPA RIVER | 0.1 MI W OF SR 121 | Concrete Tee beam (3 spans) | -- | 2009 | -- | 69.9 | 167.0 | Good | 94.8 | 21C0130 |
| NBI report | SPRING MOUNTAIN RD | HILLSIDE | 3 MI WEST OF MADRONA AVE | Steel Stringer/Multi-beam or girder (4 spans) | -- | 2009 | -- | 15.1 | 61.0 | Fair | 76.9 | 21C0131 |
| NBI report | TALL GRASS DRIVE | BROWNS VALLEY CREEK | JUST SOUTH OF PARTRICK RD | Steel Stringer/Multi-beam or girder | -- | 2009 | -- | 84.0 | 86.9 | Good | 88.5 | 21C0135 |
| NBI report | DEVLIN ROAD | NV RR | 0.5 MI W&S OF SR 29 | Prestressed Stringer/Multi-beam or girder | -- | 2012 | -- | 67.9 | 70.9 | Fair | 95.0 | 21C0132 |
| NBI report Bridgehunter | PARTRICK ROAD | BROWNS VALLEY CREEK | NAPA | Steel Truss - Deck | -- | 2014 | -- | 40.0 | 41.0 | Fair | 61.8 | 21C0136 |
| NBI report | STATE ROUTE 121 | CAPELL CREEK | 04-NAP-121-20.29 | Prestressed Slab | -- | 2014 | -- | 63.0 | 63.0 | Good | 90.7 | 21 0112 |
| NBI report | GREENWOOD AVE | NAPA RIVER | .2 MI SW/O MYRTLEDALE RD | Prestressed Slab | -- | 2015 | -- | 74.5 | 74.5 | Good | 86.9 | 21C0138 |
| NBI report | OAKVILLE CROSSROAD | NAPA RIVER | 0.5 MI NE OF SR 29 | Concrete Box beam or girders - Multiple (2 spans) | -- | 2016 | -- | 60.0 | 120.1 | Good | 82.7 | 21C0137 |
| NBI report | ROUTE 29 | TROUTDALE CREEK | 04-NAP-029-47.20 | Prestressed Stringer/Multi-beam or girder | -- | 2016 | -- | 57.1 | 60.0 | Good | 86.9 | 21 0113 |
| NBI report | BERRY STREET | NAPA RIVER | SE OF WASHINGTON STREET | Prestressed Slab | -- | 2018 | -- | 74.5 | 76.8 | Good | 97.9 | 21C0142 |
| NBI report | SR 121 | SARCO CREEK | 04-NAP-121-9.30 | Prestressed Slab | -- | 2018 | -- | 41.3 | 48.6 | Good | 95.6 | 21 0117 |