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
BRANCH BLACKHAWK CREEK Iowa 1971 26 21.3 m
SMALL STREAM Iowa 1983 26 9.8 m
SPRING CREEK Iowa 1920 26 10.1 m
RACCOON RIVER Iowa 1930 26 28.0 m
CAMP CREEK Iowa 1914 26 16.2 m
LIZARD CREEK Iowa 1957 26 21.3 m
SOUTH RACCOON Iowa 1957 26 38.7 m
BRANCH COAL CREEK Iowa 1960 26 12.2 m
STREAM Iowa 1940 26 18.9 m
SMALL CREEK Iowa 1920 26 9.4 m
STREAM Iowa 1981 26 13.7 m
SMALL Iowa 1979 26 12.2 m
SMALL Iowa 1980 26 9.4 m
SMALL CREEK Iowa 1934 26 21.9 m
SMALL STREAM Iowa 1984 26 10.7 m
FLANK CREEK Iowa 1963 26 17.1 m
KEIGLEY CREEK Iowa 1949 26 12.8 m
DRAINAGE DITCH Iowa 1923 26 12.8 m
BOONE RIVER Iowa 1924 26 55.5 m
CREEK Iowa 1900 26 13.4 m
WEST IOWA RIVER Iowa 1957 26 29.0 m
BOONE RIVER Iowa 1967 26 17.7 m
WEST IOWA RIVER Iowa 1956 26 13.7 m
CREEK Iowa 1986 26 14.3 m
HONEY CREEK Iowa 1986 26 18.3 m
TILTON CREEK Iowa 1981 26 10.4 m
CREEK Iowa 1947 26 23.5 m
DRAINAGE Iowa 1976 26 13.7 m
JORDAN CREEK Iowa 1967 26 23.8 m
STREAM Iowa 1940 26 16.8 m
WALNUT CREEK Iowa 1953 26 18.9 m
E BRANCH W. NISH. RIVER Iowa 1920 26 44.5 m
PIGEON CREEK Iowa 1955 26 18.3 m
SMALL STREAM Iowa 1927 26 6.7 m
CREEK Iowa 1967 26 17.4 m
BRANCH SUGAR CREEK Iowa 1922 26 7.9 m
LITTLE WAPSIPINICON RVR Iowa 1984 26 14.3 m
UPPER IOWA RIVER Iowa 1880 26 34.7 m
CREEK Iowa 1952 26 18.3 m
BRANCH N SKUNK RIVER Iowa 1940 26 7.0 m
STREAM Iowa 1900 26 12.2 m
CLEAR CREEK Iowa 1941 26 11.9 m
SMALL STREAM Iowa 1976 26 9.4 m
MINERVA CR Iowa 1949 26 13.1 m
MINERVA CR Iowa 1950 26 12.8 m
BR MINERVA CR Iowa 1984 26 7.9 m
MUD CREEK Iowa 1985 26 11.3 m
HUNTERS BRANCH Iowa 1965 26 24.7 m
INDIAN CREEK Iowa 1940 26 24.7 m
MUD CREEK Iowa 1940 26 30.5 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.