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
SMALL STREAM Iowa 1947 41 6.1 m
LIME CR Iowa 1986 41 14.6 m
SMALL STREAM Iowa 1965 41 20.1 m
STREAM Iowa 1990 41 23.2 m
STREAM Iowa 1957 41 9.8 m
DRAINAGE DITCH Iowa 1966 41 7.3 m
STREAM Iowa 1962 41 10.1 m
SMALL Iowa 1959 41 13.4 m
DD Iowa 1915 41 7.3 m
WEST NODAWAY RIVER Iowa 1982 41 30.2 m
JIM BRANCH Iowa 1978 41 12.2 m
DRAINAGE DITCH 182 Iowa 1951 41 12.1 m
WATERWAY Iowa 1967 41 12.5 m
KLONDIKE CREEK Iowa 1900 41 18.9 m
STREAM Iowa 1959 41 9.4 m
SAND CREEK Iowa 1967 41 13.7 m
WATERWAY Iowa 1950 41 6.4 m
SMALL STREAM Iowa 1930 41 13.1 m
CRANE CREEK Iowa 1980 41 56.4 m
SMALL Iowa 1978 41 9.4 m
CREEK Iowa 1970 41 7.9 m
BRANCH NORTH TIMBER CRK Iowa 1924 41 6.4 m
HENRY CREEK Iowa 1965 41 22.9 m
LITTLE SIOUX RIVER Iowa 1905 41 54.9 m
CREEK Iowa 1926 41 11.0 m
SOLDIER RIVER Iowa 1951 41 50.0 m
STREAM Iowa 1961 41 9.1 m
HOLCOMB CREEK Iowa 1956 41 16.5 m
BR OF SOUTH OTTER CREEK Iowa 1966 41 11.3 m
BEAVER CREEK Iowa 1976 41 16.5 m
BRUSH CREEK Iowa 1900 41 7.6 m
BUCK CREEK Iowa 1925 41 19.2 m
MUD CREEK Iowa 1946 41 33.8 m
STREAM Iowa 1967 41 11.3 m
BRUSH CREEK Iowa 1910 41 12.8 m
SMALL STREAM Iowa 1900 41 9.1 m
BR LITTLE WHITEBREAST CK Iowa 1994 41 10.4 m
ALBERTSON CREEK Iowa 1900 41 14.3 m
CREEK Iowa 1983 41 11.3 m
SLATER CREEK Iowa 1979 41 8.5 m
KLONDIKE CREEK Iowa 1900 41 14.3 m
DD Iowa 1925 41 9.8 m
DD Iowa 1900 41 10.4 m
LOCAL STREAM Iowa 1968 41 21.9 m
SUGAR CREEK Iowa 1976 41 25.0 m
CROOKED CREEK Iowa 1965 40 9.1 m
PIGEON CREEK Iowa 1920 40 40.5 m
UNNAMED CREEK Iowa 1966 40 7.6 m
LITTLE SIOUX RIVER Iowa 1971 40 96.6 m
WOLF CREEK Iowa 1956 40 40.2 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.