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 Iowa 1945 20 25.0 m
LOCAL STREAM Iowa 1985 20 27.7 m
WALNUT CREEK Iowa 1951 20 49.7 m
NODAWAY RIVER Iowa 1968 20 18.3 m
DRAINAGE Iowa 1942 20 35.1 m
MINOR DRAINAGE Iowa 1971 20 29.0 m
CREEK Iowa 1900 20 9.4 m
UPPER IOWA RIVER Iowa 1904 20 44.8 m
SNAKE CREEK Iowa 1980 20 27.7 m
BUCK CREEK Iowa 1994 20 18.9 m
UNNAMED STREAM Iowa 1970 20 36.3 m
W TARKIO RIVER Iowa 1972 20 39.0 m
WEST TARKIO CREEK Iowa 1977 20 37.5 m
STREAM Iowa 1984 20 31.7 m
STREAM Iowa 1953 20 39.0 m
WEST TARKIO RIVER Iowa 1953 20 23.8 m
GARRETSON DRAINAGE DITCH Iowa 1970 20 31.4 m
DD #123 Iowa 1966 20 13.7 m
WOLF CREEK Iowa 1981 20 19.5 m
PERRY CREEK Iowa 1900 20 18.3 m
DD Iowa 1956 20 9.4 m
STREAM Iowa 1970 20 10.4 m
DRAINAGE Iowa 1949 20 9.4 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
STREAM Iowa 1948 20 10.7 m
LITTLE BEAR CREEK Iowa 1952 20 22.9 m
CHEQUEST CREEK Iowa 1953 20 46.6 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.