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 |
|---|---|---|---|---|---|
| BRANCIFORTE CREEK | California | 1939 | 1,800 | 40.8 m | |
| COLGAN CREEK | California | 1979 | 1,750 | 20.3 m | |
| SANTA YNEZ RIVER | California | 1971 | 1,712 | 260.0 m | |
| LAKE BRITTON | California | 1938 | 1,700 | 176.8 m | |
| DRY CREEK CANAL | California | 1925 | 1,696 | 11.0 m | |
| BRUSH CREEK | California | 1930 | 1,660 | 18.3 m | |
| KAWEAH RIVER | California | 1922 | 1,650 | 62.5 m | |
| STATE ROUTE 99 | California | 1957 | 1,600 | 55.5 m | |
| DURHAM MUTUAL DITCH | California | 1920 | 1,552 | 15.1 m | |
| LAGUNA CREEK | California | 1940 | 1,530 | 93.3 m | |
| ROBBERS CREEK | California | 1975 | 1,500 | 12.5 m | |
| SACRAMENTO RIVER OVFL | California | 1911 | 1,500 | 128.3 m | |
| CANYON CREEK | California | 1967 | 1,500 | 237.7 m | |
| TULE RIVER | California | 1963 | 1,500 | 39.0 m | |
| SCHELL CREEK | California | 1968 | 1,500 | 29.7 m | |
| INTERSTATE 5 | California | 1970 | 1,500 | 68.0 m | |
| NEW RIVER | California | 1948 | 1,500 | 41.1 m | |
| LAKE ALHAMBRA | California | 1961 | 1,500 | 10.1 m | |
| TREASURE ISD RD SB | California | 1964 | 1,500 | 57.0 m | |
| SIDEHILL TI RD NB | California | 1964 | 1,500 | 151.3 m | |
| SAN LORENZO RIVER | California | 1957 | 1,500 | 40.2 m | |
| SAN JOAQUIN RIVER 01 | California | 1975 | 1,482 | 110.5 m | |
| ADOBE CREEK | California | 1976 | 1,475 | 16.3 m | |
| TUOLUMNE RIVER | California | 1979 | 1,465 | 144.8 m | |
| T.I.D. UPPER LATERAL #4 | California | 1919 | 1,461 | 7.0 m | |
| ATASCADERO CR OVERFLOW | California | 1964 | 1,450 | 29.0 m | |
| BERENDA SLOUGH | California | 1931 | 1,446 | 146.0 m | |
| C & K CANAL | California | 1925 | 1,434 | 19.5 m | |
| SLATE GULCH | California | 1926 | 1,400 | 14.9 m | |
| SWEETWATER CREEK | California | 1926 | 1,400 | 12.5 m | |
| SOUTH FORK MERCED RIVER | California | 1926 | 1,400 | 46.3 m | |
| JOHNTOWN CREEK | California | 1928 | 1,391 | 13.4 m | |
| TWIN OAKS VALLEY CREEK | California | 1960 | 1,387 | 9.8 m | |
| SHEEP GULCH | California | 1961 | 1,375 | 10.4 m | |
| PAYNES CREEK SLOUGH | California | 1915 | 1,373 | 152.4 m | |
| OUTSIDE CANAL | California | 1960 | 1,360 | 30.2 m | |
| CALIFORNIA AQUEDUCT | California | 1968 | 1,253 | 59.1 m | |
| NORTH FORK DRY CREEK | California | 1923 | 1,237 | 10.1 m | |
| MOKELUMNE RIVER | California | 1976 | 1,202 | 110.6 m | |
| PIT RIVER | California | 1962 | 1,200 | 93.0 m | |
| OAT CREEK | California | 1965 | 1,200 | 19.5 m | |
| BOULDER CREEK | California | 1926 | 1,200 | 6.7 m | |
| BEAR CREEK | California | 1961 | 1,200 | 18.1 m | |
| M.I.D. MAIN CANAL | California | 1965 | 1,200 | 23.8 m | |
| HARBOR BLVD | California | 1970 | 1,200 | 45.2 m | |
| HUER HUERO CREEK | California | 1965 | 1,198 | 35.4 m | |
| HUER HUERO CREEK | California | 1950 | 1,198 | 29.6 m | |
| SCIATA CREEK | California | 1988 | 1,190 | 13.7 m | |
| S BRNCH SUTTER-BUTTE CNL | California | 1925 | 1,159 | 7.9 m | |
| HOUGHTON CANAL | California | 1954 | 1,135 | 6.7 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.