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
SOUTH FORK EEL RIVER California 1969 1,100 98.8 m
CENTRAL MAIN CANAL California 1940 1,100 23.2 m
FOWLER SWITCH CANAL California 1952 1,100 16.2 m
PORTER SLOUGH California 1948 1,100 14.9 m
NEWMAN WASTEWAY California 1953 1,097 42.4 m
MARIPOSA CREEK California 1950 1,080 19.5 m
SOUTH FK AMERICAN RIVER California 1939 1,055 74.7 m
HADSELVILLE CREEK California 1960 1,025 20.7 m
WEST BRANCH BADGER CREEK California 1960 1,010 9.4 m
US HIGHWAY 101 California 1967 1,000 83.5 m
EAST BRANCH SMITHNECK CR California 1987 1,000 9.4 m
WEST FORK MIDDLE CREEK California 1966 1,000 37.2 m
INTERSTATE 40 California 1966 1,000 80.5 m
UNION DIVERSION CANAL California 1991 1,000 19.2 m
CALIFORNIA AQUEDUCT California 1963 1,000 46.9 m
SAN BRUNO CHANNEL (E) California 1986 1,000 26.8 m
REDWOOD SHORES LAGOON California 1971 1,000 259.1 m
BERENDA CREEK California 1965 1,000 7.8 m
MOORE CREEK California 1919 982 14.0 m
ARROYO GRANDE CREEK California 1923 966 13.7 m
NORTH BRNCH GREENWOOD CR California 1927 962 7.6 m
ANDERSON CREEK California 1980 958 11.9 m
NORTH FK COSUMNES RIVER California 1958 950 24.1 m
ALAMO RIVER California 1965 948 34.7 m
GRANITE CANYON CREEK California 1948 930 14.3 m
WILLOW CREEK California 1949 928 42.7 m
EATON WASH California 1953 918 27.1 m
SHELTER CHANNEL California 1963 900 53.3 m
STATE ROUTE 99 California 1970 900 78.6 m
NEW RIVER California 1978 900 40.5 m
INTERSTATE ROUTE 5 California 1971 900 97.2 m
LAKE DEL VALLE California 1964 900 144.6 m
PANCHO RICO CREEK California 1935 890 48.8 m
INTERSTATE 5 California 1968 880 77.9 m
OLD TOPANGA CRK California 1928 870 6.9 m
OUTLET CREEK California 1958 860 89.4 m
DRY CREEK California 1974 846 127.1 m
DUTCH BILL CREEK California 1953 838 37.5 m
SOMBRA DITCH California 1930 806 24.2 m
ALL AMERICAN CANAL California 1936 800 34.7 m
HAMILTON SLOUGH California 1950 800 7.3 m
JACKSON CREEK California 1925 800 14.1 m
CALIFORNIA AQUEDUCT California 1965 800 68.9 m
TRES PINOS CREEK California 1963 800 39.7 m
LOS AGUILAS CREEK California 1947 800 14.6 m
ALAMO RIVER California 1970 800 29.9 m
UP RR & BNSF RY California 1963 775 44.2 m
SAN JOAQUIN RIVER California 1926 750 163.6 m
TISDALE RD TISDALE BYPS California 1964 737 459.9 m
MID CANAL (AVE 15 1/2) California 1953 737 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.