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
FOUR MILE CREEK Iowa 1988 11 8.2 m
PLATTE DRAINAGE DITCH Iowa 1964 11 60.4 m
WEST BRANCH IOWA RIVER Iowa 1919 11 23.5 m
EAGLE CREEK Iowa 1979 11 11.3 m
HONEY CREEK Iowa 1958 11 25.0 m
SMALL Iowa 1979 11 26.8 m
SMALL STREAM Iowa 1974 11 21.0 m
BRANCH OF EAST 102 RIVER Iowa 1953 11 9.8 m
WEST BRANCH 102 Iowa 1971 11 35.4 m
MIDDLE 102 RIVER Iowa 1949 11 27.4 m
CREEK Iowa 1953 11 9.8 m
MIDDLE 102 RIVER Iowa 1972 11 29.3 m
WEST 102 RIVER Iowa 1965 11 25.9 m
WEST 102 RIVER Iowa 1955 11 30.5 m
STREAM Iowa 1900 11 9.8 m
STREAM Iowa 1992 11 24.4 m
SMALL STREAM Iowa 1990 11 11.9 m
BRANCH EAST PLATTE Iowa 1978 11 12.2 m
MIDDLE PLATTE RIVER Iowa 1970 11 28.0 m
PLATTE RIVER Iowa 1989 11 15.9 m
MILL CREEK Iowa 1940 11 6.7 m
SMALL STREAM Iowa 1964 11 25.6 m
SMALL STREAM Iowa 1980 11 7.0 m
CREEK Iowa 1959 11 15.5 m
CREEK Iowa 1967 11 8.8 m
COATES CR Iowa 1959 11 15.5 m
CREEK Iowa 1964 11 18.0 m
CREEK Iowa 1968 11 15.9 m
SMALL TRIBUTARY Iowa 1977 11 9.4 m
BR OF CARRUTHERS CREEK Iowa 1900 11 7.0 m
CREEK Iowa 1968 11 10.4 m
LITTLE SOAP CREEK Iowa 1914 11 24.4 m
UNNAMED CREEK Iowa 1935 11 7.9 m
SMALL STREAM Iowa 1950 11 6.1 m
BR NORTH WOLF CREEK Iowa 1945 11 12.8 m
PAINTER CREEK Iowa 1952 11 24.4 m
PAINTER CREEK Iowa 1945 11 9.8 m
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
STREAM Iowa 1900 11 7.0 m
DAVIS CREEK Iowa 1980 11 12.5 m
STREAM Iowa 1980 11 22.9 m
BRANCH NAGEL CREEK Iowa 1935 11 15.9 m
STREAM Iowa 1975 11 10.4 m
DD Iowa 1959 11 7.6 m
PIKE RUN Iowa 1976 11 29.6 m
STREAM Iowa 1981 11 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.