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 |
|---|---|---|---|---|---|
| E ST-S5 ON RAMP | California | 1928 | 500 | 25.0 m | |
| INTERSTATE 5 | California | 1967 | 500 | 67.7 m | |
| STATE ROUTE 99 | California | 1964 | 500 | 71.3 m | |
| ARROYO MOCHO | California | 1988 | 500 | 25.0 m | |
| BIG CREEK | California | 1950 | 500 | 25.3 m | |
| CASSERLY CREEK TRIB NO 1 | California | 1915 | 500 | 7.4 m | |
| CASSERLY CREEK TRIB NO 2 | California | 1920 | 500 | 8.4 m | |
| NEWELL CREEK | California | 1958 | 500 | 12.9 m | |
| LOMPICO CREEK | California | 1940 | 500 | 6.7 m | |
| SHINGLE MILL GULCH | California | 1950 | 500 | 6.7 m | |
| SAN LORENZO RIVER | California | 1931 | 500 | 44.2 m | |
| CALABAZAS CREEK | California | 1961 | 500 | 12.2 m | |
| M.I.D. MAIN CANAL | California | 1926 | 500 | 20.4 m | |
| DUCK SLOUGH | California | 1975 | 500 | 21.9 m | |
| HOUGHTON CANAL | California | 1925 | 500 | 10.1 m | |
| PESCADERO CREEK | California | 1980 | 500 | 7.5 m | |
| DRY CREEK | California | 1927 | 490 | 34.7 m | |
| SALMON CREEK | California | 1922 | 486 | 11.9 m | |
| PRAIRIE CREEK | California | 1957 | 479 | 35.4 m | |
| T.I.D. CERES MAIN CANAL | California | 1914 | 473 | 9.8 m | |
| DELTA-MENDOTA CANAL | California | 1950 | 471 | 32.8 m | |
| UPPR | California | 1983 | 459 | 67.1 m | |
| GALINDO CREEK | California | 1950 | 450 | 7.4 m | |
| ST JOHNS RIVER | California | 1953 | 420 | 92.0 m | |
| NAVARRO RIVER | California | 1949 | 418 | 107.3 m | |
| MATTOLE RIVER | California | 1958 | 412 | 116.0 m | |
| SIERRA MADRE WASH | California | 1928 | 408 | 8.2 m | |
| CLARKS DITCH | California | 1976 | 402 | 19.2 m | |
| CALAVERAS RIVER | California | 1926 | 402 | 19.5 m | |
| HUASNA RIVER | California | 1940 | 401 | 58.5 m | |
| INTERSTATE 5 | California | 1962 | 400 | 69.9 m | |
| NANCE CANYON | California | 1920 | 400 | 14.7 m | |
| LAGUNA CREEK | California | 1945 | 400 | 23.5 m | |
| N FORK STANISLAUS RIVER | California | 1959 | 400 | 73.8 m | |
| SAN LORENZO RIVER | California | 1949 | 400 | 18.5 m | |
| SAN LORENZO RIVER | California | 1948 | 400 | 32.0 m | |
| DEADMAN CREEK | California | 1960 | 400 | 14.3 m | |
| LITTLE DRY CREEK | California | 1925 | 400 | 11.9 m | |
| E BRANCH LAKELAND CANAL | California | 1986 | 400 | 32.9 m | |
| MILL CREEK | California | 1930 | 400 | 8.5 m | |
| LAKE | California | 1966 | 390 | 6.1 m | |
| SUTTER-BUTTE CANAL | California | 1938 | 389 | 12.8 m | |
| SHASTA RIVER | California | 1968 | 379 | 31.4 m | |
| ROBINSON CREEK | California | 1954 | 379 | 8.8 m | |
| TROUT CREEK | California | 1969 | 371 | 7.5 m | |
| CALAVERAS RIVER | California | 1960 | 368 | 38.0 m | |
| NELDER CREEK | California | 1966 | 367 | 12.5 m | |
| DUCK SLOUGH | California | 1938 | 360 | 70.4 m | |
| SNOW CREEK | California | 1935 | 360 | 30.5 m | |
| FRANZ CREEK | California | 1946 | 350 | 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.