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 |
|---|---|---|---|---|---|
| APPIAN WAY / PROMENADE | California | 1939 | 727 | 148.5 m | |
| ROCK CREEK TRIBUTARY | California | 1918 | 716 | 43.6 m | |
| BEAR VALLEY CREEK | California | 1983 | 710 | 10.0 m | |
| MISSION CREEK | California | 1982 | 700 | 16.2 m | |
| FRESNO CANAL | California | 1939 | 700 | 21.6 m | |
| SUTTER-BUTTE CNL S BRNCH | California | 1950 | 690 | 10.4 m | |
| CCID MAIN CANAL | California | 1919 | 684 | 15.8 m | |
| POSO CREEK | California | 1966 | 680 | 28.2 m | |
| SOUTH BRANCH CARMAN CRK | California | 1950 | 670 | 10.4 m | |
| NORTH BRANCH CARMAN CRK | California | 1950 | 670 | 18.6 m | |
| BRANCH WALKER CREEK | California | 1940 | 647 | 8.5 m | |
| POSO CREEK | California | 1966 | 640 | 28.2 m | |
| NORTH FORK MAD RIVER | California | 1928 | 624 | 130.8 m | |
| THOMPSON CREEK | California | 1952 | 615 | 38.1 m | |
| QUEENSWAY DR / LA RIV | California | 1969 | 612 | 399.3 m | |
| SCOTT RIVER | California | 1957 | 600 | 69.4 m | |
| SOUTH FORK COYOTE WASH | California | 1932 | 600 | 93.3 m | |
| NORTH BRANCH KINGS RIVER | California | 1970 | 600 | 110.3 m | |
| ALAMO RIVER | California | 1967 | 590 | 30.5 m | |
| ANGEL SLOUGH | California | 1925 | 586 | 91.7 m | |
| EAST FORK RUSSIAN RIVER | California | 1955 | 561 | 33.5 m | |
| CROOKS CREEK | California | 1965 | 560 | 12.5 m | |
| CALIFORNIA AQUEDUCT | California | 1967 | 550 | 52.1 m | |
| GREESON WASH | California | 1947 | 550 | 9.4 m | |
| TULARE CANAL | California | 1952 | 550 | 8.3 m | |
| SILVER CREEK | California | 1952 | 540 | 37.2 m | |
| NORTH FORK AMERICAN RIV | California | 1955 | 537 | 103.6 m | |
| SALINAS RIVER | California | 1915 | 530 | 262.1 m | |
| BLOOMFIELD CREEK | California | 1917 | 524 | 21.0 m | |
| MOKELUMNE RIVER OVERFLOW | California | 1930 | 520 | 150.9 m | |
| AVIS DITCH | California | 1930 | 520 | 12.2 m | |
| ELLITA DITCH | California | 1930 | 510 | 12.2 m | |
| ALBRO DITCH | California | 1930 | 510 | 12.2 m | |
| ALHAMBRA WASH | California | 1969 | 505 | 13.6 m | |
| ADENA DITCH | California | 1930 | 502 | 18.0 m | |
| BUD DITCH | California | 1930 | 502 | 18.0 m | |
| DALMATIA DITCH | California | 1930 | 502 | 12.2 m | |
| ADELIA DITCH | California | 1930 | 502 | 18.3 m | |
| ARLETTA DITCH | California | 1943 | 502 | 18.3 m | |
| COTA DITCH | California | 1930 | 502 | 12.2 m | |
| ILIAD DITCH | California | 1930 | 502 | 18.0 m | |
| CLIPPER DITCH | California | 1930 | 502 | 18.0 m | |
| SCOTTY DITCH | California | 1930 | 502 | 18.3 m | |
| IZZY DITCH | California | 1930 | 502 | 18.0 m | |
| ELRITA DITCH | California | 1930 | 502 | 12.2 m | |
| AXTON DITCH | California | 1930 | 502 | 12.2 m | |
| E ST-S5 ON RAMP | California | 1928 | 500 | 25.0 m | |
| STATE ROUTE 99 | California | 1964 | 500 | 71.3 m | |
| HOUGHTON CANAL | California | 1925 | 500 | 10.1 m | |
| PESCADERO CREEK | California | 1980 | 500 | 7.5 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.