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
BR.SOUTH RIVER Iowa 1940 11 26.8 m
BRANCH SOUTH RIVER Iowa 1973 11 22.6 m
SM STREAM Iowa 1934 11 9.1 m
SOUTH FORK LONG CREEK Iowa 1914 11 32.0 m
SMALL STREAM Iowa 1917 11 9.8 m
DAVIS CREEK Iowa 1980 11 12.5 m
STREAM Iowa 1980 11 22.9 m
STREAM Iowa 1975 11 10.4 m
DD Iowa 1959 11 7.6 m
PIKE RUN Iowa 1976 11 29.6 m
N BUFFALO CREEK Iowa 1949 11 18.9 m
CREEK Iowa 1971 11 9.1 m
CREEK Iowa 1900 11 10.4 m
CREEK Iowa 1913 11 10.4 m
SMALL Iowa 1978 11 7.3 m
FARMERS DITCH Iowa 1980 11 44.8 m
SMALL STREAM Iowa 1985 11 11.9 m
WOLF CREEK Iowa 1938 11 11.9 m
W FK LITTLE SIOUX RIVER Iowa 1935 11 34.1 m
WRIGHT CREEK Iowa 1950 11 13.1 m
WRIGHT CREEK Iowa 1950 11 34.1 m
STREAM Iowa 1965 11 34.1 m
STREAM Iowa 1997 11 14.9 m
STREAM Iowa 1955 11 21.0 m
STREAM Iowa 1900 11 12.2 m
WHITE FOX CREEK Iowa 1941 11 24.7 m
DRAINAGE DITCH 9 Iowa 1920 11 9.1 m
DRAINAGE DITCH 111 Iowa 1900 11 7.3 m
EAGLE CREEK Iowa 1979 11 11.3 m
OTTER CREEK Iowa 1969 11 21.0 m
DD #219 Iowa 1972 11 21.0 m
WEST BRANCH IOWA RIVER Iowa 1919 11 23.5 m
STREAM Iowa 1981 11 11.3 m
BR OF CARRUTHERS CREEK Iowa 1900 11 7.0 m
DRAINAGE DITCH Iowa 1983 11 13.4 m
MILL CREEK Iowa 1940 11 6.7 m
STREAM Iowa 1982 11 9.1 m
SMALL STREAM Iowa 1950 11 6.1 m
BRANCH NAGEL CREEK Iowa 1935 11 15.9 m
WEST OTTER CREEK Iowa 1987 11 7.3 m
SMALL STREAM Iowa 1900 11 25.0 m
SOUTH WEST CREEK Iowa 1900 11 37.8 m
SMALL STREAM Iowa 1900 11 11.6 m
STREAM Iowa 1900 11 6.7 m
SMALL STREAM Iowa 1900 11 12.8 m
STREAM Iowa 1900 11 7.0 m
STREAM Iowa 1950 11 14.0 m
PITCHER 153 Iowa 1900 11 6.7 m
DRAINAGE Iowa 1972 11 9.1 m
VILLAGE CREEK Iowa 1900 10 25.3 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.