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
STREAM Iowa 1916 16 12.2 m
ROBERTS CREEK Iowa 1917 16 15.5 m
AMES CREEK Iowa 1912 16 11.3 m
DRAINAGE DITCH NO 6 Iowa 1956 16 13.4 m
STREAM Iowa 1981 16 15.5 m
HONEY CREEK Iowa 1919 16 23.8 m
CREEK Iowa 1977 16 8.8 m
CREEK Iowa 1989 16 9.8 m
HONEY CREEK Iowa 1963 16 21.6 m
TIPTON CREEK Iowa 1987 16 15.9 m
LYNN CREEK Iowa 1975 16 16.2 m
EAST FORK CROOKED CREEK Iowa 1914 16 11.3 m
BR CRANE CREEK Iowa 1970 16 7.9 m
SMALL STREAM Iowa 1926 16 6.7 m
ALLOWAY CREEK Iowa 1965 16 18.0 m
SMALL STREAM Iowa 1952 16 8.2 m
ALLOWAY CREEK Iowa 1937 16 13.1 m
BRANCH OF SUGAR CREEK Iowa 1940 16 18.0 m
OTTER CR Iowa 1921 16 21.9 m
BR OF CEDAR CREEK Iowa 1937 16 7.3 m
CHARITON RIVER Iowa 1934 16 30.2 m
FIVE MILE CREEK Iowa 1940 16 14.6 m
DR TO FIVE MILE CREEK Iowa 1940 16 11.9 m
STREAM Iowa 1925 16 10.4 m
CALHOUN CREEK Iowa 1953 16 13.1 m
BRUSH CREEK Iowa 1917 16 16.5 m
SOUTH TIMBER CREEK Iowa 1939 16 21.3 m
SNIPE CREEK Iowa 1950 16 11.6 m
BR MINERVA CR Iowa 1947 16 10.7 m
CREEK Iowa 1956 16 7.9 m
DOWD CREEK Iowa 1916 16 17.4 m
BRUSH CREEK Iowa 1930 16 11.6 m
CREEK Iowa 1940 15 13.7 m
CREEK Iowa 1932 15 21.0 m
SMALL Iowa 1979 15 14.6 m
PLUM CREEK Iowa 1976 15 11.0 m
BR ROCK CR Iowa 1920 15 13.4 m
BEAVER DAM CREEK Iowa 1913 15 18.3 m
PITCHER CR Iowa 1926 15 10.4 m
OVERFLOW CHANNEL Iowa 1925 15 7.9 m
CREEK Iowa 1916 15 7.9 m
WILLOW CREEK Iowa 1917 15 10.4 m
DD Iowa 1976 15 10.1 m
PIGEON CREEK Iowa 1967 15 26.2 m
WILLOW CREEK Iowa 1975 15 50.0 m
NORTH WALNUT CREEK Iowa 1930 15 11.3 m
BR UPPER IOWA RIVER Iowa 1951 15 18.6 m
STAFF CR Iowa 1944 15 26.8 m
DRAINAGE DITCH Iowa 1948 15 7.3 m
PRAIRIE CREEK Iowa 1900 15 20.7 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.