Poor Condition Bridges in California
1,284 bridges rated Poor condition in California. FHWA National Bridge Inventory.
Bridges Rated Poor Condition
A bridge is rated Poor when one or more of its major components (deck, superstructure, or substructure) has a condition rating of 4 or below on the FHWA 0–9 scale. Poor condition does not mean imminent danger of collapse, but indicates significant deterioration requiring priority maintenance or replacement. There are 1,284 such bridges in California.
| Bridge | State | Condition | Year Built | ADT | Length |
|---|---|---|---|---|---|
| DRY CREEK | California | 2005 | 2,350 | 61.3 m | |
| PILARCITOS CREEK | California | 1900 | 2,350 | 18.3 m | |
| ACTA | California | 2000 | 2,336 | 17.9 m | |
| T.I.D. MAIN CANAL | California | 1921 | 2,313 | 15.2 m | |
| BROWNS CREEK | California | 1950 | 2,311 | 22.7 m | |
| WOLF CREEK | California | 1988 | 2,281 | 54.9 m | |
| LOS ANGELES AQUEDUCT | California | 1966 | 2,260 | 13.1 m | |
| SAN JOSE CRK | California | 1964 | 2,244 | 27.1 m | |
| WESTSIDE MAIN CANAL | California | 1963 | 2,225 | 23.8 m | |
| SALINAS RIVER | California | 1943 | 2,200 | 239.3 m | |
| LAS TRAMPAS CREEK | California | 1937 | 2,200 | 19.8 m | |
| DELTA-MENDOTA CANAL | California | 1949 | 2,184 | 32.5 m | |
| COSUMNES RIVER | California | 1952 | 2,175 | 78.0 m | |
| MORMON SLOUGH | California | 1960 | 2,164 | 28.3 m | |
| BIG DALTON WASH | California | 1959 | 2,137 | 36.6 m | |
| SAN LORENZO CREEK | California | 1927 | 2,120 | 12.5 m | |
| ALBION RIVER | California | 1944 | 2,100 | 295.4 m | |
| WESTSIDE MAIN CANAL | California | 1955 | 2,100 | 46.0 m | |
| WALKER SLOUGH | California | 1971 | 2,100 | 36.0 m | |
| CALIFORNIA AQUEDUCT | California | 1968 | 2,100 | 120.1 m | |
| GREENHORN CREEK | California | 1995 | 2,087 | 100.0 m | |
| MOKELUMNE RIVER | California | 1955 | 2,084 | 72.5 m | |
| STEELY FK COSUMNES RIVER | California | 1936 | 2,080 | 20.1 m | |
| CORTINA CREEK | California | 1968 | 2,077 | 20.3 m | |
| HOPPER SLOUGH | California | 1921 | 2,075 | 12.5 m | |
| OAK CREEK | California | 1975 | 2,066 | 18.3 m | |
| STATE ROUTE 94 | California | 1957 | 2,040 | 65.8 m | |
| BRANCIFORTE CREEK | California | 1971 | 2,015 | 12.6 m | |
| NORTH FORK WILLOW CREEK | California | 1953 | 2,000 | 15.2 m | |
| SILVERADO CANYON CREEK | California | 1947 | 2,000 | 12.8 m | |
| LIMEKILN CREEK | California | 1957 | 2,000 | 176.2 m | |
| SILVERADO CANYON CREEK | California | 1947 | 2,000 | 12.2 m | |
| HUTCHINSON CREEK | California | 1952 | 2,000 | 22.9 m | |
| AMADOR CREEK | California | 2014 | 2,000 | 11.9 m | |
| SAN FRANCISCO BAY | California | 1918 | 2,000 | 20.5 m | |
| N680&E24-YGNACIO OFF RMP | California | 1997 | 2,000 | 29.4 m | |
| WEATHERLY CHANNEL | California | 1965 | 2,000 | 47.5 m | |
| REDWOOD CREEK | California | 1966 | 2,000 | 9.7 m | |
| LOMPICO CREEK | California | 1949 | 2,000 | 7.9 m | |
| ZAYANTE CREEK | California | 1948 | 2,000 | 26.0 m | |
| ENCINITAS CREEK | California | 2000 | 1,986 | 36.6 m | |
| STONE CORRAL CREEK | California | 1927 | 1,976 | 18.6 m | |
| ARROYO MOCHO | California | 1987 | 1,930 | 13.1 m | |
| MOORE CREEK | California | 1914 | 1,922 | 19.2 m | |
| FIESTA CHANNEL | California | 1955 | 1,920 | 17.5 m | |
| SAN MATEO CREEK | California | 1964 | 1,887 | 9.8 m | |
| M.I.D. MAIN CANAL | California | 1925 | 1,873 | 24.1 m | |
| BELVIEW-WILFRED CREEK | California | 1963 | 1,857 | 47.9 m | |
| SAMSON SLOUGH | California | 1915 | 1,837 | 121.9 m | |
| CALIFORNIA AQUEDUCT | California | 1971 | 1,835 | 32.6 m |
About Poor Condition Bridge Ratings
FHWA rates bridge components on a 0–9 scale. A rating of 4 or below on any major component (deck, superstructure, substructure) classifies the bridge as Poor condition. The bridge remains open to traffic but requires priority attention. Bridges rated 0–2 are immediately closed.