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
LYNN CREEK Iowa 1988 73 19.8 m
PRAIRIE CREEK Iowa 1948 73 13.1 m
DICKEY CREEK Iowa 1956 73 6.1 m
SMALL Iowa 1979 73 7.9 m
DRAINAGE DITCH 7 Iowa 1963 73 7.3 m
DRAINAGE DITCH Iowa 1978 73 11.3 m
HONEY CREEK Iowa 1984 73 21.3 m
CREEK Iowa 1960 73 17.1 m
E FORK WAPSIPINICON RVR Iowa 1971 73 26.8 m
BEAR CREEK Iowa 1923 73 25.0 m
STREAM Iowa 1910 73 7.0 m
CREEK Iowa 1977 73 11.3 m
CREEK Iowa 1987 73 18.6 m
DD Iowa 1946 72 15.9 m
DRAINAGE DITCH 11-13 Iowa 1927 72 7.9 m
DRAINAGE DITCH Iowa 1976 72 16.8 m
WATERWAY Iowa 1991 72 14.0 m
CEDAR RIVER Iowa 1930 72 8.2 m
WEST NISHNABOTNA RIVER Iowa 1960 72 104.9 m
MOSQUITO CREEK Iowa 1942 72 24.7 m
ZADIE CREEK Iowa 1964 72 9.1 m
LITTLE RIVER Iowa 1943 72 59.7 m
MIDDLE RIVER Iowa 1950 72 74.4 m
WEST TARKIO CREEK Iowa 1958 71 39.6 m
ODEBOLT CREEK Iowa 1951 71 21.3 m
S. FORK LONG CREEK Iowa 1953 71 13.7 m
CIPRA BRANCH Iowa 1900 71 15.5 m
SMALL STREAM Iowa 1917 71 6.7 m
DEER CREEK Iowa 1976 71 10.1 m
STREAM Iowa 1967 71 12.5 m
JIM CREEK Iowa 1931 71 12.8 m
SMALL CREEK Iowa 1952 71 13.7 m
LITTLE ROCK RIVER Iowa 1900 71 32.0 m
PAINTER CREEK Iowa 1900 71 28.0 m
DRAINAGE Iowa 1957 71 8.2 m
CEDAR CREEK Iowa 1970 71 24.1 m
WHISKEY CREEK Iowa 1969 71 9.8 m
BRANCH OLD MANS CREEK Iowa 1925 71 15.9 m
SMALL STREAM Iowa 1984 71 8.2 m
BRANCH OF CLEAR CREEK Iowa 1978 71 8.2 m
SMALL STREAM Iowa 1982 71 12.8 m
STREAM Iowa 1950 71 9.8 m
SMALL STREAM Iowa 1978 71 7.3 m
BRANCH OF BLACKHAWK CRK Iowa 1976 71 7.9 m
CLEAR CREEK Iowa 1946 71 37.2 m
STREAM Iowa 1956 71 17.4 m
S RIVER Iowa 1940 71 24.1 m
SPRING CREEK Iowa 1948 71 11.9 m
LOCAL CREEK Iowa 1970 71 22.3 m
BRUSHY CREEK Iowa 1952 71 64.9 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.