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
BACON CREEK Iowa 1900 199 13.4 m
SEELEY CREEK Iowa 1968 199 39.0 m
CRABAPPLE CREEK Iowa 1958 199 31.4 m
IOWA RIVER Iowa 1968 199 53.3 m
WILLOW CREEK Iowa 1924 199 7.9 m
RAT CREEK Iowa 1966 199 37.8 m
LITTLE BEAVER CREEK Iowa 1926 199 16.5 m
ROCK CREEK Iowa 1900 199 6.1 m
OVERFLOW Iowa 1968 199 30.5 m
WOLF CREEK BRANCH Iowa 1914 196 8.2 m
BRANCH TWELVE MILE CREEK Iowa 1967 196 31.1 m
BRANCH WOLF CREEK Iowa 1970 196 23.5 m
CREEK Iowa 1929 196 12.5 m
LITTLE CEDAR Iowa 1965 196 78.6 m
DRAINAGE Iowa 1954 195 19.8 m
ROCK CREEK OVERFLOW Iowa 1953 190 10.1 m
STREAM Iowa 1960 190 7.3 m
WILLIAMS CREEK Iowa 1959 190 31.4 m
PETERSONS CREEK Iowa 1959 190 31.4 m
TRAIL Iowa 1940 190 42.7 m
CARTER CREEK Iowa 1966 190 16.8 m
CARTER CREEK Iowa 1941 190 12.8 m
SEVEN MILE CREEK Iowa 1969 190 12.5 m
WILLOW CREEK Iowa 1962 190 21.6 m
GREENBRIER CREEK Iowa 1971 190 23.8 m
NODAWAY RIVER Iowa 1970 190 51.8 m
W FK GRAND RIVER Iowa 1979 190 54.6 m
SOLDIER CREEK Iowa 1967 190 10.1 m
EAST NODAWAY RIVER Iowa 1960 190 77.1 m
CREEK Iowa 1963 190 6.4 m
BACON CREEK Iowa 1900 188 11.0 m
SILVER CREEK Iowa 1928 187 10.1 m
DOWD CREEK BRANCH Iowa 1966 187 17.7 m
WOLF CREEK Iowa 1966 187 31.1 m
OVER BNSF RR Iowa 1994 187 78.0 m
MAD CREEK Iowa 1924 184 12.2 m
FLEENER CREEK Iowa 1917 181 7.6 m
KEMP CREEK Iowa 1988 180 43.3 m
BLOOD RUN CREEK Iowa 1971 180 42.1 m
KEMP CREEK Iowa 1961 180 31.4 m
MUCHAKINOCK CREEK Iowa 1949 180 13.1 m
SO LIZARD CK - DD 22 Iowa 1969 180 17.7 m
UNION SLOUGH DITCH Iowa 1964 180 13.4 m
BEAR CREEK Iowa 1949 180 8.2 m
STREAM Iowa 1985 180 25.0 m
E CEDAR CREEK Iowa 1970 180 31.4 m
DRAINAGE Iowa 1975 180 6.7 m
DRAINAGE Iowa 1930 180 8.5 m
INDIAN CREEK Iowa 1935 179 13.4 m
BLACKHAWK CREEK BRANCH Iowa 1956 177 7.6 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.