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
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
N FORK OF BEAVER CREEK Iowa 1947 15 30.5 m
DD Iowa 1976 15 10.1 m
LIZARD CREEK Iowa 1962 15 42.7 m
DRAINAGE DITCH NO 3 Iowa 1980 15 29.0 m
SMALL CREEK Iowa 1949 15 7.6 m
TRIBUTE TO SEELY CREEK Iowa 1988 15 9.4 m
STREAM Iowa 1941 15 10.1 m
WOLF CREEK Iowa 1975 15 15.2 m
FROST CREEK Iowa 1959 15 10.1 m
STREAM Iowa 1928 15 18.9 m
STREAM Iowa 1920 15 11.6 m
CREEK Iowa 1972 15 13.4 m
SMALL STREAM Iowa 1987 15 11.0 m
BEAR CR Iowa 1918 15 7.0 m
IOWAY CREEK Iowa 1952 15 25.0 m
DRAINAGE DITCH Iowa 1949 15 21.3 m
BREWERS CR Iowa 1926 15 9.4 m
DRAINAGE DITCH Iowa 1922 15 9.8 m
DRAINAGE DITCH Iowa 1975 15 9.8 m
EAST IOWA RIVER Iowa 1959 15 36.9 m
TRIB BOONE RIVER #8 Iowa 1957 15 17.4 m
DD #10 Iowa 1969 15 17.4 m
DD #13 Iowa 1969 15 18.6 m
BEAVER CREEK Iowa 1958 15 39.6 m
BEAVER CREEK Iowa 1982 15 14.0 m
CREEK Iowa 1978 15 14.3 m
PIGEON CREEK Iowa 1967 15 26.2 m
WILLOW CREEK Iowa 1975 15 50.0 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
DD Iowa 1960 15 7.6 m
STREAM Iowa 1993 15 18.0 m
STREAM Iowa 1916 15 19.8 m
SMALL CREEK Iowa 1982 15 19.5 m
STREAM Iowa 1930 15 7.3 m
E FK GRAND RIVER Iowa 1970 15 27.4 m
E FK GRAND RIVER Iowa 1958 15 39.0 m
STREAM Iowa 1930 15 13.1 m
WALNUT CREEK Iowa 1956 15 19.8 m
SAND CREEK Iowa 1958 15 20.1 m
SMALL STREAM Iowa 1974 15 9.8 m
BOYER RIVER Iowa 1931 15 46.3 m
ODEBOLT CREEK Iowa 1981 15 17.7 m
SMALL STREAM Iowa 1923 15 11.6 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.