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
PRAIRIE CREEK Iowa 1971 130 25.6 m
BR RAPID CR Iowa 1950 130 13.4 m
BIG CREEK Iowa 1929 130 36.0 m
OTTER CR Iowa 1953 130 61.9 m
BR IOWA RIVER Iowa 1935 130 10.1 m
PAUL CREEK Iowa 1957 130 9.1 m
BEAR CREEK Iowa 1979 130 39.0 m
CREEK Iowa 1997 130 13.7 m
BEAVER CREEK Iowa 1949 128 15.9 m
CREEK Iowa 1976 128 7.6 m
YELLOW RIVER Iowa 1954 128 54.3 m
CREEK Iowa 1997 128 12.8 m
INDIAN CREEK Iowa 1937 126 74.4 m
EAST BOYER RIVER Iowa 1967 125 53.0 m
BOYER RIVER Iowa 1900 123 44.5 m
CREEK Iowa 1916 123 7.6 m
SEVERS CREEK Iowa 1951 123 17.4 m
EAST NISHNABOTNA RIVER Iowa 1900 123 61.3 m
STREAM Iowa 1981 123 16.8 m
CREEK Iowa 1972 122 9.8 m
DRAINAGE Iowa 1985 121 9.8 m
MIDDLE RIVER Iowa 1940 120 29.3 m
MIDDLE RIVER Iowa 1940 120 25.0 m
CARDINAL CREEK Iowa 1900 120 7.3 m
DUCK CREEK Iowa 1900 120 15.5 m
DUCK CREEK Iowa 1960 120 38.7 m
SPRING CREEK Iowa 1965 120 17.4 m
PITMAN CREEK Iowa 1975 120 8.5 m
BEAR CREEK Iowa 1959 120 38.7 m
STREAM Iowa 1925 120 7.9 m
COOPER CREEK Iowa 1948 120 37.8 m
IOWAY CREEK Iowa 1900 120 36.9 m
SS #98 Iowa 1973 120 8.2 m
BEAR CREEK Iowa 1955 120 10.1 m
E FORK GRAND RIVER Iowa 1957 120 62.2 m
MARTINS CR Iowa 1972 120 9.4 m
MOSQUITO CREEK Iowa 1920 120 73.5 m
W FORK GRAND Iowa 1967 120 38.7 m
SKUNK RIVER Iowa 1957 120 199.0 m
BRANCH LITTLE SIOUX RVR Iowa 1967 120 39.0 m
WEST BRANCH FLOYD RIVER Iowa 1911 120 22.3 m
WEST TARKIO RIVER Iowa 1952 120 39.0 m
PLUM CREEK Iowa 1954 120 13.4 m
CREEK Iowa 1977 120 31.7 m
STREAM Iowa 1970 120 23.8 m
RACOON RIVER Iowa 1920 120 52.1 m
PAINT CREEK Iowa 1900 120 47.5 m
LICK CREEK Iowa 1951 120 21.9 m
PLUM CREEK Iowa 1954 120 39.0 m
BR BIG CEDAR CK DD #29 Iowa 1966 120 13.7 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.