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
PLUM CREEK Iowa 1962 62 17.1 m
LITTLE TURKEY RIVER Iowa 1966 62 44.5 m
LITTLE ROCK RIVER Iowa 1900 62 36.6 m
LIZARD CREEK Iowa 1900 62 23.8 m
LITTLE SIOUX RIVER Iowa 1915 62 54.9 m
STREAM Iowa 1955 62 7.9 m
SMALL STREAM Iowa 1918 62 7.9 m
STREAM Iowa 1957 62 9.8 m
GINGER CREEK Iowa 1952 62 9.8 m
ROCK RIVER Iowa 1900 62 58.5 m
DICKENSON BRANCH Iowa 1949 62 30.5 m
PINNEY CREEK Iowa 1900 62 9.1 m
BOONE RIVER Iowa 1902 62 56.7 m
STREAM Iowa 1958 62 7.6 m
OVER BNSF RR Iowa 1977 61 48.5 m
MINOR DRAINAGE Iowa 1930 61 36.0 m
DRAINAGE Iowa 1956 61 6.1 m
SMALL STREAM Iowa 1954 61 10.1 m
W BR LITTLE SIOUX Iowa 1977 61 31.1 m
PAINT CREEK Iowa 1915 60 34.1 m
TEEPLE CREEK Iowa 1900 60 15.9 m
STREAM Iowa 1953 60 9.8 m
DM RIVER Iowa 1911 60 33.5 m
BOYER RIVER Iowa 1958 60 39.0 m
CREEK Iowa 1920 60 25.0 m
CROOKED CREEK Iowa 1936 60 21.6 m
SMALL CREEK Iowa 1967 60 11.0 m
TRIB DES MOINES RIVER Iowa 1950 60 12.2 m
DD #13 Iowa 1971 60 6.7 m
BIG BEAR CREEK Iowa 1951 60 37.2 m
BR MILL CR Iowa 1955 60 8.2 m
JORDAN CREEK Iowa 1954 60 39.3 m
BRUSHY FORK CREEK Iowa 1925 60 28.3 m
FIELD STREAM Iowa 1946 60 9.5 m
SMALL Iowa 1976 60 13.1 m
WEST TARKIO RIVER Iowa 1960 60 39.9 m
STREAM Iowa 1972 60 23.8 m
SMALL CREEK Iowa 1958 60 13.4 m
MIDDLE RIVER Iowa 1930 60 18.6 m
UNNAMED CREEK Iowa 1955 60 17.4 m
BRANCH IOWA RIVER Iowa 1988 60 12.2 m
WATERWAY Iowa 1952 60 64.0 m
BIG BEAR CREEK Iowa 1955 60 38.7 m
PINE CREEK Iowa 1955 60 46.3 m
ODEBOLT CREEK Iowa 1949 60 46.6 m
STREAM Iowa 1923 60 7.9 m
SMALL CREEK Iowa 2000 60 6.1 m
ROCK CREEK Iowa 1958 60 7.9 m
W FK GRAND RIVER Iowa 1930 60 22.3 m
BEAR CREEK Iowa 1950 60 36.9 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.