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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
BNSF RR Iowa 1937 1,090 98.1 m
OPOSSUM CREEK Iowa 1959 1,090 6.7 m
OPOSSUM CREEK Iowa 1959 1,090 6.7 m
RALSTON CREEK Iowa 1935 1,082 8.5 m
LITTLE SIOUX RIVER Iowa 1979 1,076 62.2 m
DRAINAGE Iowa 1900 1,073 31.7 m
S COPPER CREEK Iowa 1974 1,070 16.8 m
SMALL NATURAL STREAM Iowa 1967 1,070 28.0 m
KEG CREEK Iowa 1967 1,065 54.0 m
BR ROBINSON CREEK Iowa 1922 1,061 7.3 m
CREEK Iowa 1923 1,060 10.1 m
WALNUT CREEK Iowa 1973 1,060 84.1 m
WALNUT CREEK Iowa 1949 1,060 31.7 m
DRAINAGE Iowa 1915 1,054 6.7 m
DRAINAGE DITCH Iowa 1927 1,051 8.8 m
BIG CEDAR CREEK Iowa 1956 1,050 77.4 m
S BR DRY RUN Iowa 1900 1,049 9.1 m
BADGER CREEK Iowa 1968 1,043 23.5 m
IOWA RIVER Iowa 1957 1,041 51.8 m
LONG DICK CREEK Iowa 1964 1,028 26.8 m
BUTLER CREEK Iowa 1907 1,027 23.5 m
KNOTTY CREEK Iowa 1980 1,019 35.4 m
DEER CREEK Iowa 1982 1,019 48.5 m
BIG SIOUX RIVER Iowa 1977 1,017 122.5 m
KLONDIKE CREEK Iowa 1962 1,017 24.4 m
SMALL NATURAL STREAM Iowa 1925 1,011 7.6 m
CREEK Iowa 1964 1,010 33.5 m
SMALL STREAM Iowa 1966 1,002 23.5 m
BUCKEYE CREEK Iowa 1976 1,002 25.3 m
OTTER CREEK Iowa 1951 996 56.4 m
MIDDLE RIVER Iowa 1959 996 47.9 m
LITTLE MOSQUITO CREEK Iowa 1964 990 31.1 m
CEDAR RIVER Iowa 1966 990 321.3 m
EAST OTTER CREEK Iowa 1962 982 9.8 m
SMALL STREAM Iowa 1978 977 7.6 m
IOWA RIVER Iowa 1965 977 46.6 m
BOONE RIVER Iowa 1951 977 73.8 m
ELLIOT CREEK Iowa 1957 977 46.9 m
CAMP CREEK Iowa 1978 977 39.0 m
ROCK RIVER Iowa 1966 977 84.7 m
N. SKUNK RIVER Iowa 1964 970 46.6 m
DES MOINES RIVER Iowa 1960 970 285.6 m
EAGLE CREEK Iowa 1951 966 46.3 m
SMALL STREAM Iowa 1967 962 7.9 m
VOLGA RIVER Iowa 1963 959 67.1 m
TROUT RIVER Iowa 1956 953 52.7 m
CEDAR RIVER Iowa 1971 950 213.1 m
VILLAGE CREEK Iowa 1961 950 31.1 m
SMALL STREAM Iowa 1925 940 13.7 m
INDIAN CREEK Iowa 1969 938 31.4 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.

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