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
ELM CREEK Iowa 1956 45 13.7 m
BEAR CREEK Iowa 1914 45 6.7 m
STREAM Iowa 1952 45 39.3 m
DRAINAGE Iowa 1997 45 24.4 m
GRAYS CREEK Iowa 1951 45 18.3 m
WATERWAY Iowa 1955 45 13.7 m
SUGAR CREEK Iowa 1976 45 7.3 m
DRAINAGE DITCH #2 Iowa 1900 45 7.0 m
CREEK Iowa 1960 45 12.2 m
M BR BUCKLEY CREEK Iowa 1950 45 13.4 m
DD#16 Iowa 1924 45 6.7 m
DRAINAGE Iowa 1951 45 13.4 m
GREY CREEK Iowa 1920 45 16.2 m
BEAR CREEK Iowa 1916 45 9.1 m
FOUR MILE CREEK Iowa 1924 45 9.1 m
D D #66 BR SO LIZARD CK Iowa 1970 45 7.9 m
WHITE BREAST CREEK Iowa 1975 45 17.1 m
STREAM Iowa 1953 45 10.7 m
INDIAN CREEK Iowa 1916 45 37.5 m
S CHEQUEST LAKE CREEK Iowa 1953 45 38.1 m
DEER CREEK Iowa 1925 45 11.9 m
GRAND RIVER Iowa 1962 45 92.1 m
DRAINAGE Iowa 1950 45 13.1 m
STREAM Iowa 1949 45 21.9 m
STREAM Iowa 1961 45 13.7 m
GRANGER CREEK Iowa 1925 45 38.7 m
WALNUT CREEK Iowa 1955 45 25.0 m
STREAM Iowa 1961 45 28.0 m
DUTCH CREEK Iowa 1956 45 10.7 m
TRIB DES MOINES RIVER Iowa 1920 45 13.1 m
DRAINAGE Iowa 1981 45 13.1 m
SUGAR CREEK Iowa 1933 45 17.7 m
MONONA HARRISON DD Iowa 1959 45 55.5 m
WEST FORK DD Iowa 1961 45 51.5 m
JONES CREEK Iowa 1938 45 11.0 m
OTTER CREEK Iowa 1968 45 17.4 m
STREAM Iowa 1965 45 9.8 m
MIDDLE RACOON Iowa 1958 45 61.3 m
MASON CREEK Iowa 1987 45 12.2 m
SMALL STREAM Iowa 1927 45 6.4 m
WEST NODAWAY RIVER Iowa 1940 45 62.2 m
IOWAY CREEK Iowa 1917 45 19.8 m
NO NAME CREEK Iowa 1954 45 17.4 m
RACCOON RIVER Iowa 1921 45 56.1 m
SMALL CREEK Iowa 1955 45 13.1 m
SMALL STREAM Iowa 1972 45 13.4 m
DEER CREEK Iowa 1977 45 10.7 m
WILLOW CREEK Iowa 1940 45 45.1 m
DRAINAGE Iowa 1948 45 10.1 m
STREAM Iowa 1953 45 17.7 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.