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.