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
OTTER CREEK OVERFLOW Iowa 1954 103 30.5 m
SEVEN MILE CREEK Iowa 1963 103 7.6 m
CREEK Iowa 1974 102 25.0 m
DRAINAGE Iowa 1957 100 9.8 m
SOAP CREEK Iowa 1954 100 61.0 m
WAPSIPINICON RIVER Iowa 1930 100 128.0 m
BRANCH OF WAPSIPINICON Iowa 1930 100 76.8 m
SUGAR CREEK Iowa 1959 100 24.7 m
STREAM Iowa 1978 100 10.1 m
STREAM Iowa 1957 100 13.7 m
SKUNK RIVER Iowa 1920 100 46.9 m
STREAM Iowa 1958 100 17.4 m
STREAM Iowa 1972 100 8.5 m
STREAM Iowa 1982 100 7.9 m
MIDDLE RACCOON Iowa 1951 100 65.2 m
BUCKEYE CREEK Iowa 1973 100 7.6 m
CONVEY CREEK Iowa 1920 100 8.8 m
STREAM Iowa 1950 100 8.8 m
PRICE CREEK Iowa 1940 100 22.3 m
MUCHAKINOCK CREEK Iowa 1957 100 13.7 m
BRANCH BEAVER CREEK Iowa 1975 100 11.6 m
DRAINAGE DITCH Iowa 1971 100 10.7 m
BROOKS CREEK Iowa 1974 100 23.2 m
CREEK Iowa 1959 100 12.8 m
S RACCOON RIVER Iowa 1974 100 76.2 m
M NODAWAY RIVER Iowa 1952 100 43.3 m
STREAM Iowa 1948 100 13.4 m
DD #77 NO LIZARD CK Iowa 1967 100 13.7 m
WATERWAY Iowa 1930 100 8.5 m
SUGAR CREEK Iowa 1935 100 67.4 m
DRAINAGE Iowa 1963 100 10.1 m
S RIVER Iowa 1950 100 56.4 m
WILLOW RIVER Iowa 1916 100 33.5 m
NORTH RIVER Iowa 1960 100 54.0 m
MIDDLE FORK BEAVER CREEK Iowa 1952 99 15.5 m
EAST WAPSIPINICON Iowa 1900 98 35.1 m
CEDAR CREEK Iowa 1960 98 9.8 m
DOWD CREEK Iowa 1964 98 7.6 m
CREEK Iowa 1900 97 10.1 m
SMALL STREAM Iowa 1973 97 7.6 m
FROG CREEK Iowa 1930 95 7.0 m
IOWA RIVER Iowa 1952 92 162.5 m
BR OLD MANS CR Iowa 1920 92 7.0 m
SHANGHAI CREEK Iowa 1940 91 37.5 m
SMALL STREAM Iowa 1954 91 25.0 m
SMALL STREAM Iowa 1937 91 6.1 m
MILL CREEK Iowa 1956 91 45.7 m
SMALL Iowa 1980 91 13.1 m
WILLOW CREEK Iowa 1941 91 19.8 m
SMALL STREAM Iowa 1984 91 7.0 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.