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
CREEK Iowa 1955 148 7.3 m
BLUE CREEK Iowa 1989 147 10.9 m
WAPSIPINICON RIVER Iowa 1939 147 92.4 m
MINERVA CREEK Iowa 1916 147 9.4 m
CREEK Iowa 1916 145 9.8 m
DRAINAGE Iowa 1920 144 9.8 m
BUFFALO CREEK Iowa 1971 143 39.0 m
STREAM Iowa 1976 143 9.8 m
SOUTH WEST CREEK Iowa 1960 141 17.4 m
LONG CREEK Iowa 1929 140 25.0 m
N SKUNK RIVER Iowa 1951 140 98.5 m
BEAR CREEK Iowa 1946 140 46.3 m
NORTH FABIUS CREEK Iowa 1970 140 13.1 m
BUCKLEY CREEK Iowa 1956 140 17.4 m
WAPSIPINICON RIVER Iowa 1879 140 63.4 m
BRANCH SKUNK RIVER Iowa 1968 139 9.4 m
DRAINAGE Iowa 1951 139 13.7 m
STEER CREEK Iowa 1942 139 6.4 m
ALLEN CREEK Iowa 1942 139 31.1 m
SEVEN MILE CREEK Iowa 1974 139 39.0 m
WATERWAY Iowa 1985 139 18.9 m
SMALL STREAM Iowa 1938 139 10.7 m
ELK CREEK Iowa 2001 137 19.5 m
W FORK CEDAR CRK OVRFLW Iowa 1960 137 21.0 m
PAINT CREEK Iowa 1957 137 21.3 m
NORTH BEAR CREEK Iowa 1952 137 43.0 m
WEST FORK CEDAR CREEK Iowa 1966 137 67.4 m
STREAM Iowa 1952 135 9.8 m
SMALL STREAM Iowa 1975 135 7.6 m
PLUM CREEK Iowa 1960 133 17.5 m
MAJOR DRAINAGE Iowa 1970 133 9.1 m
SKUNK RIVER TRIBUTARY Iowa 1968 132 9.4 m
N FORK LONG CR Iowa 1953 131 21.3 m
SEVEN MILE CREEK Iowa 1957 131 21.3 m
BUCKLEY CREEK Iowa 1929 131 13.1 m
GRANT 5 OPEN DITCH EXT Iowa 1916 131 7.9 m
DRAINAGE Iowa 1955 131 7.0 m
BADGER CREEK Iowa 1955 131 9.1 m
CREEK Iowa 1918 131 11.6 m
SILVER CREEK Iowa 1960 131 31.4 m
LITTLE SIOUX RIVER Iowa 1960 131 76.8 m
DRAINAGE Iowa 1958 131 7.6 m
BRANCH BEE CREEK Iowa 1985 131 6.4 m
FLOYD RIVER Iowa 1954 131 53.3 m
NISHNABOTNA RIVER Iowa 1951 131 64.9 m
LITTLE ROCK RIVER Iowa 1968 131 53.6 m
WEST BRANCH Iowa 1957 131 38.4 m
RACCOON RIVER Iowa 1950 131 98.8 m
GRAND RIVER Iowa 1957 131 46.3 m
PAUL CREEK Iowa 1957 130 9.1 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.