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
BLACKHAWK CREEK BRANCH Iowa 1956 177 6.4 m
TRIB TO BLACK HAWK CREEK Iowa 1900 177 7.6 m
CREEK Iowa 1970 177 17.7 m
BLACKHAWK CREEK BRANCH Iowa 1956 177 7.6 m
CAVITT CREEK Iowa 1967 176 13.1 m
WAPSINONOC CREEK Iowa 1936 176 46.9 m
NISHNABOTNA TRIB Iowa 1957 173 31.4 m
CAMP CREEK Iowa 1976 170 39.0 m
WEST IOWA RIVER Iowa 1961 170 23.5 m
UNION SLOUGH DITCH Iowa 1951 170 37.5 m
LITTLE RIVER Iowa 1959 170 76.8 m
BADGER CREEK Iowa 1917 170 10.7 m
STREAM Iowa 1953 170 9.8 m
NO BUSINESS CREEK Iowa 1900 170 16.8 m
NO NAME CREEK Iowa 1969 170 9.8 m
ROCK CREEK Iowa 1945 170 46.9 m
DRAINAGE Iowa 1950 167 6.7 m
LITTLE CEDAR Iowa 1967 167 78.6 m
MUD CREEK TRIBUTARY Iowa 1962 162 7.6 m
N CHEQUEST LAKE CR Iowa 1958 161 39.3 m
BIG BEAR CREEK Iowa 1951 161 46.3 m
SMALL Iowa 1950 160 10.4 m
N. FORK LONG CREEK Iowa 1925 160 12.8 m
WALNUT CREEK Iowa 1955 160 46.6 m
STREAM Iowa 1930 160 12.2 m
JORDAN CREEK Iowa 1958 159 44.2 m
OUTLET GREEN VALLEY LK Iowa 1951 159 11.6 m
TARKIO CREEK Iowa 1949 159 43.9 m
LITTLE SIOUX RIVER Iowa 1925 159 56.4 m
MOSQUITO CREEK Iowa 1978 159 38.1 m
SOLDIER CREEK Iowa 1949 159 55.8 m
BUFFALO CREEK Iowa 1965 159 26.5 m
BROKEN KETTLE CREEK Iowa 1960 159 45.7 m
WATERWAY Iowa 1955 159 9.8 m
VILLAGE CREEK Iowa 1966 157 14.0 m
CRANE CREEK Iowa 1959 157 68.9 m
LINN CR Iowa 1916 157 12.8 m
WALNUT CREEK TRIB Iowa 1965 153 7.3 m
NORTH RACCOON RIVER Iowa 1882 153 118.9 m
INDIAN CREEK Iowa 1951 150 97.5 m
MAPLE RIVER Iowa 1960 150 93.0 m
SMALL STREAM Iowa 1926 150 6.7 m
LITTLE SIOUX RIVER Iowa 1961 150 76.8 m
BR CEDAR RIVER Iowa 1975 150 7.6 m
OVER IAIS RR Iowa 1940 150 41.1 m
DEER CREEK Iowa 1947 150 9.8 m
CEDAR CREEK Iowa 1971 150 23.5 m
LAMALEES CREEK Iowa 1957 150 7.6 m
UNAMED CREEK Iowa 1973 148 19.2 m
CREEK Iowa 1955 148 7.3 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.