Poor Condition Bridges in Iowa

4,423 bridges rated Poor condition in Iowa. 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 4,423 such bridges in Iowa.

Clear
Bridge State Condition Year Built ADT Length
HUNTERS BRANCH Iowa 1962 51 9.8 m
SMALL STREAM Iowa 1917 51 6.7 m
NORTH WOLF CREEK Iowa 1970 51 9.1 m
BEAVER CREEK Iowa 1987 51 15.9 m
INDIAN CREEK Iowa 1950 51 39.0 m
LOCAL CREEK Iowa 1972 51 7.3 m
SOUTH FORK IOWA RIVER Iowa 1982 51 21.0 m
SMALL STREAM Iowa 1969 51 7.6 m
SNIPE CREEK Iowa 1915 51 11.0 m
WEST NODAWAY RIVER Iowa 1978 51 19.5 m
CREEK Iowa 1983 51 12.2 m
SMALL Iowa 1979 51 7.3 m
SMALL CREEK Iowa 1967 51 10.1 m
CREEK Iowa 1969 51 15.9 m
SMALL STREAM Iowa 1967 51 8.8 m
HORTON CREEK Iowa 1981 51 7.6 m
SMALL Iowa 1979 51 12.5 m
CREEK Iowa 1971 51 7.6 m
STREAM Iowa 1900 51 9.4 m
EAST WAPSIPINICON RIVER Iowa 1963 51 31.4 m
STREAM Iowa 1962 51 7.3 m
LONG DICK CREEK Iowa 1964 51 18.9 m
LYNN CREEK Iowa 1992 51 15.9 m
HEWETT CREEK Iowa 1920 51 12.8 m
LUICKS CREEK Iowa 1979 51 9.1 m
TIPTON CREEK Iowa 1983 51 27.1 m
BRANCH WEST CREEK Iowa 1960 51 9.8 m
SMALL STREAM Iowa 1970 51 13.1 m
PRAIRIE CREEK Iowa 1921 51 6.7 m
SMALL STREAM Iowa 1952 51 7.6 m
MILL CREEK Iowa 1961 51 23.8 m
PLUM CREEK Iowa 1959 51 63.1 m
CREEK Iowa 1965 51 13.7 m
STREAM Iowa 1953 50 9.8 m
CHARITON RIVER Iowa 1959 50 77.4 m
STREAM Iowa 1958 50 24.1 m
TURKEY RUN Iowa 1948 50 12.8 m
DEER CREEK Iowa 1953 50 38.7 m
BUFFALO CR Iowa 1900 50 33.5 m
MUCHAKINOCH CREEK Iowa 1951 50 37.5 m
MAQUOKETA RIVER Iowa 1927 50 139.0 m
BLUFF CREEK Iowa 1948 50 37.5 m
ROCK RUN CR Iowa 1920 50 19.5 m
ROCK RUN CREEK Iowa 1974 50 11.9 m
ROCK CR Iowa 1946 50 55.8 m
BR GOWER CR Iowa 1924 50 7.9 m
STREAM Iowa 1986 50 11.9 m
BR MILL CR Iowa 1925 50 8.2 m
LITTLE BLUFF CK Iowa 1955 50 13.4 m
STREAM Iowa 1950 50 20.1 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.