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 |
|---|---|---|---|---|---|
| SOUTH FORK EEL RIVER | California | 1969 | 1,100 | 98.8 m | |
| CENTRAL MAIN CANAL | California | 1940 | 1,100 | 23.2 m | |
| FOWLER SWITCH CANAL | California | 1952 | 1,100 | 16.2 m | |
| PORTER SLOUGH | California | 1948 | 1,100 | 14.9 m | |
| NEWMAN WASTEWAY | California | 1953 | 1,097 | 42.4 m | |
| MARIPOSA CREEK | California | 1950 | 1,080 | 19.5 m | |
| SOUTH FK AMERICAN RIVER | California | 1939 | 1,055 | 74.7 m | |
| HADSELVILLE CREEK | California | 1960 | 1,025 | 20.7 m | |
| WEST BRANCH BADGER CREEK | California | 1960 | 1,010 | 9.4 m | |
| US HIGHWAY 101 | California | 1967 | 1,000 | 83.5 m | |
| EAST BRANCH SMITHNECK CR | California | 1987 | 1,000 | 9.4 m | |
| WEST FORK MIDDLE CREEK | California | 1966 | 1,000 | 37.2 m | |
| INTERSTATE 40 | California | 1966 | 1,000 | 80.5 m | |
| UNION DIVERSION CANAL | California | 1991 | 1,000 | 19.2 m | |
| CALIFORNIA AQUEDUCT | California | 1963 | 1,000 | 46.9 m | |
| SAN BRUNO CHANNEL (E) | California | 1986 | 1,000 | 26.8 m | |
| REDWOOD SHORES LAGOON | California | 1971 | 1,000 | 259.1 m | |
| BERENDA CREEK | California | 1965 | 1,000 | 7.8 m | |
| MOORE CREEK | California | 1919 | 982 | 14.0 m | |
| ARROYO GRANDE CREEK | California | 1923 | 966 | 13.7 m | |
| NORTH BRNCH GREENWOOD CR | California | 1927 | 962 | 7.6 m | |
| ANDERSON CREEK | California | 1980 | 958 | 11.9 m | |
| NORTH FK COSUMNES RIVER | California | 1958 | 950 | 24.1 m | |
| ALAMO RIVER | California | 1965 | 948 | 34.7 m | |
| GRANITE CANYON CREEK | California | 1948 | 930 | 14.3 m | |
| WILLOW CREEK | California | 1949 | 928 | 42.7 m | |
| EATON WASH | California | 1953 | 918 | 27.1 m | |
| SHELTER CHANNEL | California | 1963 | 900 | 53.3 m | |
| STATE ROUTE 99 | California | 1970 | 900 | 78.6 m | |
| NEW RIVER | California | 1978 | 900 | 40.5 m | |
| INTERSTATE ROUTE 5 | California | 1971 | 900 | 97.2 m | |
| LAKE DEL VALLE | California | 1964 | 900 | 144.6 m | |
| PANCHO RICO CREEK | California | 1935 | 890 | 48.8 m | |
| INTERSTATE 5 | California | 1968 | 880 | 77.9 m | |
| OLD TOPANGA CRK | California | 1928 | 870 | 6.9 m | |
| OUTLET CREEK | California | 1958 | 860 | 89.4 m | |
| DRY CREEK | California | 1974 | 846 | 127.1 m | |
| DUTCH BILL CREEK | California | 1953 | 838 | 37.5 m | |
| SOMBRA DITCH | California | 1930 | 806 | 24.2 m | |
| ALL AMERICAN CANAL | California | 1936 | 800 | 34.7 m | |
| HAMILTON SLOUGH | California | 1950 | 800 | 7.3 m | |
| JACKSON CREEK | California | 1925 | 800 | 14.1 m | |
| CALIFORNIA AQUEDUCT | California | 1965 | 800 | 68.9 m | |
| TRES PINOS CREEK | California | 1963 | 800 | 39.7 m | |
| LOS AGUILAS CREEK | California | 1947 | 800 | 14.6 m | |
| ALAMO RIVER | California | 1970 | 800 | 29.9 m | |
| UP RR & BNSF RY | California | 1963 | 775 | 44.2 m | |
| SAN JOAQUIN RIVER | California | 1926 | 750 | 163.6 m | |
| TISDALE RD TISDALE BYPS | California | 1964 | 737 | 459.9 m | |
| MID CANAL (AVE 15 1/2) | California | 1953 | 737 | 9.8 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.