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
E FK GRAND RIVER Iowa 1940 5 19.8 m
SUN VALLEY CREEK Iowa 1980 5 13.4 m
STREAM Iowa 1950 5 18.6 m
SMALL STREAM Iowa 1968 5 8.2 m
EAST BR INDIAN CREEK Iowa 1924 5 10.4 m
BRANCH OF IOWA RIVER Iowa 1950 5 9.8 m
RICHLAND CREEK Iowa 1900 5 12.2 m
OTTER CREEK Iowa 1920 5 9.8 m
SALT CREEK Iowa 2001 5 6.1 m
CREEK Iowa 1961 5 6.1 m
CREEK Iowa 1949 5 6.1 m
MIDDLE 102 RIVER Iowa 1978 5 29.6 m
CREEK Iowa 1960 5 9.1 m
CREEK Iowa 1900 5 12.2 m
EAST 102 RIVER Iowa 1968 5 43.9 m
HONEY CREEK Iowa 1954 5 24.1 m
CREEK Iowa 1952 5 7.3 m
CREEK Iowa 1957 5 9.8 m
HOG BRANCH Iowa 1961 5 26.2 m
SMALL Iowa 1979 5 14.6 m
W 102 RIVER Iowa 1963 5 9.8 m
CREEK Iowa 1953 5 6.1 m
CREEK Iowa 1959 5 12.2 m
LONZO CREEK Iowa 1967 5 12.5 m
WEST 102 RIVER Iowa 1962 5 25.0 m
SMALL STREAM Iowa 1990 5 7.9 m
SMALL STREAM Iowa 1900 5 12.2 m
STREAM Iowa 1973 5 7.0 m
FOUR MILE CREEK Iowa 1967 5 21.0 m
SMALL STREAM Iowa 1900 5 9.1 m
SMALL STREAM Iowa 1973 5 19.8 m
SMALL STREAM Iowa 1900 5 7.3 m
TRIB DESMOINES RIVER R Iowa 1971 5 21.9 m
TRIB DES MOINES RIVER Iowa 1965 5 7.9 m
TRIB TO SPRING CREEK Iowa 1950 5 6.4 m
NORTH FORK LONG CREEK Iowa 1929 5 14.3 m
STREAM Iowa 1980 5 8.2 m
STREAM Iowa 1900 5 6.7 m
STREAM Iowa 1975 5 7.0 m
DUCK VALLEY Iowa 1968 5 7.0 m
DUCK VALLEY Iowa 1978 5 20.4 m
PIKE RUN Iowa 1976 5 15.9 m
N FORK BUFFALO CREEK Iowa 1900 5 16.5 m
N BUFFALO CREEK Iowa 1949 5 13.7 m
CREEK Iowa 1900 5 10.1 m
STREAM Iowa 1942 5 17.4 m
STREAM Iowa 1935 5 8.2 m
STREAM Iowa 1985 5 21.9 m
MILLER CREEK Iowa 1951 5 31.4 m
STREAM Iowa 1950 5 12.8 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.