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 |
|---|---|---|---|---|---|
| MESA CREEK | California | 1978 | 9,991 | 13.4 m | |
| SR 237 PERSIAN MOFFETT | California | 1966 | 9,900 | 87.7 m | |
| HERNDON CANAL | California | 1925 | 9,815 | 12.5 m | |
| LAGUNA DE SANTA ROSA | California | 1956 | 9,800 | 7.3 m | |
| ROUTE 5 | California | 1970 | 9,800 | 68.6 m | |
| LIVINGSTON CANAL | California | 1965 | 9,555 | 23.5 m | |
| HUNTINGTON BEACH CHANNEL | California | 1966 | 9,500 | 18.3 m | |
| MARSH CREEK | California | 1964 | 9,415 | 23.8 m | |
| STATE ROUTE 99 & RAMPS | California | 1957 | 9,220 | 60.4 m | |
| SUNNYVALE EAST CHANNEL | California | 1961 | 9,158 | 15.2 m | |
| UP RR | California | 1976 | 9,068 | 39.9 m | |
| WEST LUDLOW WASH | California | 1968 | 9,000 | 32.3 m | |
| MISSION CHANNEL OVERFLOW | California | 1966 | 9,000 | 43.3 m | |
| INTERSTATE 5 ST RTE 133 | California | 1998 | 8,933 | 499.9 m | |
| STATE ROUTE 99 | California | 1964 | 8,800 | 81.7 m | |
| WHITEWATER RIVER | California | 1950 | 8,700 | 85.0 m | |
| LITTLE CREEK OVERFLOW | California | 1973 | 8,670 | 44.0 m | |
| ARROYO SIMI | California | 1990 | 8,640 | 106.4 m | |
| DEER CREEK | California | 1967 | 8,630 | 17.7 m | |
| STATE ROUTE 20 | California | 1967 | 8,500 | 34.8 m | |
| STATE ROUTE 99 | California | 1959 | 8,500 | 88.1 m | |
| MTDB LRT & SDIV RR | California | 1988 | 8,500 | 20.1 m | |
| WILLOW SPRINGS WASH | California | 1972 | 8,500 | 53.6 m | |
| WILLOW SPRINGS WASH | California | 1972 | 8,500 | 53.6 m | |
| FRESNO RIVER | California | 1969 | 8,425 | 43.3 m | |
| CALIFORNIA AQUEDUCT | California | 1964 | 8,387 | 104.5 m | |
| STATE ROUTES 4 & 242 | California | 1978 | 8,300 | 432.5 m | |
| WEST LUDLOW WASH | California | 1968 | 8,250 | 32.3 m | |
| BIG DALTON WASH | California | 1959 | 8,207 | 36.6 m | |
| OLD RIVER | California | 1915 | 8,200 | 160.9 m | |
| BRADLEY RD | California | 1965 | 8,100 | 33.1 m | |
| MARK WEST CREEK | California | 1958 | 8,000 | 71.3 m | |
| US HIGHWAY 101 | California | 1957 | 8,000 | 114.0 m | |
| MOUNT DIABLO CREEK | California | 1987 | 8,000 | 18.3 m | |
| SAN LEANDRO CREEK | California | 1939 | 7,991 | 38.7 m | |
| SUNNYVALE EAST CHANNEL | California | 1961 | 7,906 | 15.2 m | |
| LINDO CHANNEL | California | 1970 | 7,848 | 39.0 m | |
| KINGS RIVER | California | 1942 | 7,700 | 79.2 m | |
| SUTTER BYPASS | California | 1938 | 7,600 | 1,264.5 m | |
| SANDY CREEK | California | 1979 | 7,590 | 7.9 m | |
| GOFFS ROAD | California | 1970 | 7,500 | 36.3 m | |
| MCGINLEY WASH | California | 1970 | 7,500 | 54.3 m | |
| BLIND HILLS WASH | California | 1970 | 7,500 | 72.2 m | |
| BNSF RY & AMTRAK | California | 2006 | 7,500 | 81.5 m | |
| WOODS WASH | California | 1970 | 7,500 | 72.5 m | |
| NEWTON WASH | California | 1970 | 7,500 | 89.0 m | |
| NEWTON WASH | California | 1970 | 7,500 | 89.0 m | |
| BLIND HILLS WASH | California | 1970 | 7,500 | 72.2 m | |
| BLACK CYN WASH | California | 1970 | 7,500 | 55.5 m | |
| MCGINLEY WASH | California | 1970 | 7,500 | 54.3 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.