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
CREEK Iowa 1969 91 25.9 m
SMALL STREAM Iowa 1949 91 17.7 m
SMALL Iowa 1980 91 13.1 m
WILLOW CREEK Iowa 1941 91 19.8 m
CREEK Iowa 1978 91 11.3 m
WAPSIPINICON Iowa 1956 91 93.6 m
SPRING BRANCH CREEK Iowa 1961 91 14.0 m
SMALL Iowa 1979 91 9.4 m
BIG HOLLOW CREEK Iowa 1956 90 17.1 m
SNIPE CREEK Iowa 1927 90 25.6 m
STREAM Iowa 1927 90 18.0 m
MORGAN CREEK Iowa 1964 90 7.3 m
STREAM Iowa 1981 90 18.3 m
CREEK Iowa 1951 90 16.5 m
PRAIRIE CK Iowa 1971 90 12.2 m
BR ROCK CK Iowa 1973 90 7.3 m
DRY RUN CREEK Iowa 1937 90 9.8 m
BIG CREEK Iowa 1900 90 7.6 m
BLOOD RUN CREEK Iowa 1900 90 14.6 m
PRAIRIE CREEK D D #1 Iowa 1978 90 7.6 m
DRAINAGE Iowa 1940 90 11.0 m
SMALL Iowa 1979 90 7.6 m
CHARITON RIVER Iowa 1958 90 54.3 m
SMALL Iowa 1979 90 7.9 m
VILLAGE CREEK Iowa 1989 90 26.5 m
BR TO WHITEBREAST CREEK Iowa 1958 90 29.6 m
E BR WAPSINONOC CR Iowa 1975 90 12.2 m
YANKEE RUN Iowa 1995 90 7.3 m
PAINTER CREEK Iowa 1951 90 19.5 m
MONK CREEK Iowa 1934 90 20.7 m
CREEK Iowa 1934 90 10.4 m
DRAINAGE Iowa 1951 90 7.6 m
SPRING CREEK Iowa 1964 90 13.1 m
NORTH RIVER Iowa 1949 89 68.9 m
STREAM Iowa 1949 89 29.0 m
LITTLE TARKIO TRIB Iowa 1964 89 9.4 m
WILLOW RIVER Iowa 1900 89 58.2 m
FOUR MILE CREEK Iowa 1941 89 46.3 m
BOYER RIVER Iowa 1940 89 49.4 m
STREAM Iowa 1978 89 12.8 m
WATERWAY Iowa 1900 89 16.2 m
DRAINAGE Iowa 1940 89 19.5 m
WILLOW CREEK Iowa 1953 89 23.5 m
SMALL STREAM Iowa 1954 89 9.8 m
SOUTH WEST CREEK Iowa 1978 89 13.4 m
BOHEMIAN CREEK Iowa 1922 88 22.9 m
OTTER CREEK Iowa 1969 88 25.3 m
MINOR CREEK Iowa 1970 88 22.9 m
CREEK Iowa 1900 88 6.7 m
SUGAR CREEK Iowa 1900 88 13.4 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.