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
NORTH SKUNK RIVER Iowa 1918 25 43.6 m
CREEK Iowa 1918 25 10.4 m
STREAM Iowa 1958 25 23.8 m
STREAM Iowa 1900 21 10.4 m
STREAM Iowa 1900 21 9.8 m
STREAM Iowa 1967 21 11.0 m
WALNUT CREEK Iowa 1964 21 25.0 m
CREEK Iowa 1935 21 32.6 m
BR BLUE GRASS CREEK Iowa 1925 21 9.8 m
DD #10 Iowa 1968 21 15.9 m
CREEK Iowa 1928 21 26.8 m
CREEK Iowa 1935 21 29.9 m
LONE TREE BRANCH Iowa 1978 21 12.8 m
FOX CREEK Iowa 1987 21 14.6 m
TURKEY CREEK Iowa 1978 21 21.3 m
CREEK Iowa 1997 21 12.8 m
CAMP CREEK Iowa 1976 21 43.9 m
TURKEY CREEK Iowa 1981 21 39.3 m
CREEK Iowa 1959 21 13.1 m
CREEK Iowa 1960 21 14.9 m
BIG INDIAN CREEK Iowa 1960 21 30.8 m
CREEK Iowa 1937 21 6.7 m
BEAVER DAM CREEK Iowa 1927 21 31.1 m
LITTLE CEDAR CREEK Iowa 1961 21 18.9 m
SLIPPERY ELM HOLLOW Iowa 1966 21 7.3 m
RELIEF Iowa 1961 21 7.3 m
WALNUT CREEK Iowa 1900 21 41.5 m
STREAM Iowa 1965 21 12.2 m
LOST GROVE CREEK Iowa 1914 21 7.0 m
HARDIN CREEK Iowa 1959 21 23.8 m
STREAM Iowa 1900 21 15.2 m
DD #107 Iowa 1972 21 17.4 m
WHITE FOX CREEK Iowa 1975 21 21.6 m
WOLF CREEK Iowa 1983 21 12.2 m
BOONE RIVER Iowa 1927 21 15.5 m
DD #6 Iowa 1970 21 6.4 m
STREAM Iowa 1940 21 11.9 m
SMALL STREAM Iowa 1992 21 12.2 m
DRAINAGE DITCH #10 Iowa 1994 21 7.6 m
HONEY CREEK Iowa 1953 21 23.5 m
HONEY CREEK Iowa 1980 21 9.8 m
CREEK Iowa 1991 21 10.7 m
IOWA RIVER Iowa 1930 21 27.7 m
LITTLE EAGLE CREEK Iowa 1973 21 10.7 m
EAGLE CREEK Iowa 1981 21 7.9 m
SMALL Iowa 1978 21 13.1 m
BRANCH SUGAR CREEK Iowa 1917 21 7.0 m
DRAINAGE DITCH Iowa 1966 21 7.9 m
CRANE CREEK Iowa 1951 21 24.4 m
STREAM Iowa 1930 21 15.9 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.