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
DRAINAGE DITCH Iowa 1959 20 9.4 m
SMALL STREAM Iowa 1931 20 18.3 m
DRAINAGE Iowa 1949 20 9.4 m
CHEQUEST CREEK Iowa 1953 20 46.6 m
WESTFIELD CREEK Iowa 1948 20 11.3 m
DRAINAGE Iowa 1949 20 14.0 m
W BR FLOYD RIVER Iowa 1941 20 43.6 m
W BR FLOYD RIVER Iowa 1900 20 28.0 m
DRAINAGE Iowa 1961 20 12.8 m
INDIAN CREEK Iowa 1900 20 13.7 m
BROKEN KETTLE CREEK Iowa 1959 20 7.6 m
BROKEN KETTLE CREEK Iowa 1948 20 9.1 m
INDIAN CREEK Iowa 1956 20 11.6 m
INDIAN CREEK Iowa 1900 20 9.1 m
SO LIZARD CR DD#22 Iowa 1918 20 11.9 m
LITTLE CEDAR CREEK Iowa 1953 20 21.3 m
BEAVER CREEK Iowa 1900 20 15.9 m
BEAVER CREEK Iowa 1957 20 17.7 m
N LIZARD CREEK Iowa 1921 20 9.8 m
N LIZARD CREEK Iowa 1974 20 16.5 m
MUD CREEK Iowa 1925 20 13.7 m
MUD CREEK Iowa 1976 20 24.4 m
STREAM Iowa 1965 20 6.4 m
KEG CREEK Iowa 1976 20 29.9 m
STREAM Iowa 1976 20 21.3 m
LITTLE SILVER CREEK Iowa 1989 20 12.8 m
DEEP RIVER Iowa 1983 20 25.0 m
NORTH ENGLISH RIVER Iowa 1951 20 39.9 m
CREEK Iowa 1977 20 7.3 m
STREAM Iowa 1948 20 10.7 m
LITTLE BEAR CREEK Iowa 1952 20 22.9 m
SMALL STREAM Iowa 1925 20 7.0 m
KEG CREEK Iowa 1924 20 37.5 m
M FK GRAND RIVER Iowa 1981 20 18.9 m
M FK GRAND RIVER Iowa 1963 20 27.7 m
STREAM Iowa 1980 20 7.6 m
GOOSEBERRY CREEK Iowa 1965 20 19.8 m
STREAM Iowa 1956 20 17.4 m
LIME STONE CREEK Iowa 1965 20 18.3 m
BUCK BRANCH Iowa 1954 16 21.3 m
E BR BEAVER DAM CREEK Iowa 1965 16 7.3 m
EAST CREEK Iowa 1937 16 6.4 m
BEAVER DAM CREEK Iowa 1900 16 18.0 m
HONEY CREEK Iowa 1919 16 23.8 m
CREEK Iowa 1989 16 9.8 m
HONEY CREEK Iowa 1963 16 21.6 m
TIPTON CREEK Iowa 1987 16 15.9 m
LYNN CREEK Iowa 1975 16 16.2 m
EAST FORK CROOKED CREEK Iowa 1914 16 11.3 m
BR CRANE CREEK Iowa 1970 16 7.9 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.