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
CEDAR RIVER Iowa 1968 324 316.4 m
IOWA RIVER Iowa 1959 320 59.1 m
OVERFLOW IOWA RIVER Iowa 1900 320 12.8 m
DRAINAGE DITCH Iowa 1960 319 16.8 m
OTTER CREEK Iowa 1969 319 31.4 m
PRAIRE CREEK Iowa 1996 319 27.7 m
GREY CREEK Iowa 1970 319 23.5 m
CREEK Iowa 1959 319 8.2 m
LITTLE SIOUX Iowa 1969 319 30.8 m
STONY CREEK Iowa 1990 315 31.4 m
SALT CREEK Iowa 1959 314 44.5 m
STEIN CREEK Iowa 1959 314 38.7 m
TURKEY RIVER Iowa 1953 314 103.6 m
SHANCTON CREEK Iowa 1970 310 6.4 m
SOUTH CHEQUEST CREEK Iowa 1981 310 31.4 m
ELK RIVER Iowa 1968 310 38.7 m
CREEK Iowa 1920 310 14.3 m
CREEK Iowa 1963 310 9.1 m
CHARITON RIVER Iowa 1970 310 76.8 m
KLONDIKE CREEK Iowa 1966 309 30.5 m
WEST FORK LITTLE SIOUX Iowa 1969 309 54.9 m
WEST MILL CREEK Iowa 1979 309 49.7 m
BUFFALO CREEK Iowa 1958 309 26.8 m
WEST BRANCH 102 RIVER Iowa 1936 309 45.7 m
WEST 102 RIVER Iowa 1985 309 43.3 m
DRAINAGE DITCH Iowa 1994 305 23.8 m
BRANCH OF RICHLAND CREEK Iowa 1967 304 23.8 m
BRANCH BURNETTE CREEK Iowa 1984 304 27.4 m
EAST BOYER RIVER Iowa 1913 303 15.9 m
EF DES MOINES RIVER Iowa 1957 300 31.1 m
MIDDLE RIVER Iowa 1958 300 76.8 m
DD 261 Iowa 1963 300 7.9 m
W NODAWAY Iowa 1939 300 54.9 m
WEST BEAVER CREEK Iowa 1921 300 7.9 m
INDIAN CR Iowa 1890 299 32.0 m
BEEDS CREEK Iowa 1965 295 9.4 m
CROW CREEK Iowa 1975 295 18.9 m
BR MISS RIVER Iowa 1978 294 13.4 m
PLUM CREEK Iowa 1950 294 6.7 m
WET CREEK Iowa 1893 294 20.7 m
DD 150-86 Iowa 1964 293 13.1 m
LITTLE MUCHAKINOCK Iowa 1965 290 28.3 m
RIGGS CREEK Iowa 1970 290 11.0 m
DRAINAGE DITCH Iowa 1976 290 7.6 m
DD 9-13 Iowa 1966 290 21.0 m
CARTER CK Iowa 1973 290 45.7 m
SO SKUNK RIVER Iowa 1956 290 104.5 m
MUD CREEK Iowa 1970 290 38.1 m
MUD CREEK Iowa 1948 290 6.7 m
RACCOON RIVER Iowa 1965 290 77.1 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.