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.

Clear
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.