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
WILLOW CREEK Iowa 1949 15 29.0 m
INDIAN CREEK Iowa 1900 15 12.8 m
STREAM Iowa 1950 15 11.9 m
STREAM Iowa 1938 15 10.7 m
PILOT CK Iowa 1972 15 20.4 m
STREAM Iowa 1979 15 9.4 m
JORDAN CREEK Iowa 1968 15 39.9 m
SECOND CREEK Iowa 1949 15 19.2 m
STREAM Iowa 1979 15 16.5 m
STREAM Iowa 1900 15 12.2 m
CREEK Iowa 1955 15 32.6 m
SOUTH ENGLISH RIVER Iowa 1984 15 12.5 m
STREAM Iowa 1929 15 8.2 m
DEEP RIVER Iowa 1961 15 14.3 m
N ENGLISH RIVER Iowa 1924 15 10.1 m
SUGAR CREEK Iowa 1982 15 11.0 m
SMALL STREAM Iowa 1948 15 6.7 m
STONY CREEK Iowa 1971 15 11.6 m
STREAM Iowa 1959 15 7.3 m
STREAM Iowa 1940 15 10.4 m
SMALL Iowa 1978 15 7.6 m
WALNUT CREEK Iowa 1924 15 19.5 m
WOLF CREEK Iowa 1960 15 12.8 m
WALNUT CREEK Iowa 1928 15 10.1 m
WEST PLATTE RIVER Iowa 1900 15 16.2 m
STREAM Iowa 1973 15 7.3 m
STREAM Iowa 1993 15 18.0 m
STREAM Iowa 1916 15 19.8 m
SMALL CREEK Iowa 1982 15 19.5 m
STREAM Iowa 1930 15 7.3 m
SMALL STREAM Iowa 1979 15 7.3 m
E FK GRAND RIVER Iowa 1970 15 27.4 m
E FK GRAND RIVER Iowa 1958 15 39.0 m
STREAM Iowa 1930 15 13.1 m
WALNUT CREEK Iowa 1956 15 19.8 m
SAND CREEK Iowa 1958 15 20.1 m
EAST RIVER Iowa 1985 15 23.2 m
SMALL STREAM Iowa 1974 15 9.8 m
BOYER RIVER Iowa 1931 15 46.3 m
ODEBOLT CREEK Iowa 1981 15 17.7 m
SMALL STREAM Iowa 1923 15 11.6 m
SMALL STREAM Iowa 1980 15 19.5 m
STREAM Iowa 1960 15 9.8 m
SMALL STREAM Iowa 1976 15 12.8 m
DYE CREEK Iowa 1939 15 24.4 m
WEST BR INDIAN CREEK Iowa 1900 15 8.5 m
HARDIN-STORY DD 1 Iowa 1900 15 12.8 m
EAST BR INDIAN CREEKH Iowa 1919 15 6.1 m
KEIGLEY BRANCH Iowa 1900 15 18.3 m
NORTH WALNUT CREEK Iowa 1930 15 11.3 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.