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
MILLER CREEK Iowa 1965 255 38.1 m
TRIB W FORK CEDAR RIVER Iowa 1966 255 9.1 m
LITTLE TURKEY RIVER Iowa 1960 255 54.4 m
DEVIL CREEK Iowa 1948 250 46.6 m
VILLAGE CREEK Iowa 1968 250 38.7 m
BEAVER CREEK Iowa 1960 250 31.4 m
LONG CREEK Iowa 1963 250 46.9 m
NO NAME CREEK Iowa 1925 249 8.5 m
CREEK Iowa 1976 249 10.4 m
OVERFLOW ON BOYER RIVER Iowa 1964 249 23.8 m
FRINK CREEK Iowa 1937 246 13.7 m
WINNEBAGO RIVER Iowa 1975 245 32.6 m
COOPER CREEK Iowa 1959 244 32.6 m
DRAINAGE Iowa 1920 242 6.7 m
SMALL CREEK Iowa 1959 242 13.4 m
SMALL STREAM Iowa 1972 240 7.3 m
SMALL STREAM Iowa 1960 240 39.6 m
DRY BRANCH Iowa 1970 240 34.7 m
BACKWATER (PUMP STATION) Iowa 1972 240 10.7 m
CREEK Iowa 1957 240 23.8 m
DD NO 70 Iowa 1974 240 23.8 m
STREAM Iowa 1964 240 9.1 m
ELK CREEK Iowa 1958 240 54.3 m
STREAM Iowa 1959 236 9.4 m
DRAINAGE DITCH Iowa 1972 236 9.4 m
MAYNES CREEK Iowa 1971 236 58.5 m
INDIAN CREEK Iowa 1930 235 13.7 m
STREAM Iowa 1966 234 13.7 m
DRAINAGE Iowa 1900 232 11.0 m
RIO GRANDE CREEK Iowa 1940 232 7.0 m
DRAINAGE Iowa 1940 232 6.4 m
DRAINAGE Iowa 1900 232 9.4 m
DRAINAGE Iowa 1900 232 6.4 m
LITTLE BIG CREEK Iowa 1915 232 8.5 m
BR BIG CEDAR CK DD#21 Iowa 1975 230 23.8 m
DRAINAGE DITCH Iowa 1960 230 39.9 m
WEST RAT CREEK Iowa 1965 230 13.1 m
GRANT 5 OPEN DITCH Iowa 1938 230 10.1 m
SOUTH LIZARD CREEK Iowa 1975 230 39.0 m
LITTLE ROCK RIVER Iowa 1960 230 62.8 m
CROOKED CREEK Iowa 1923 230 12.2 m
I-29 Iowa 1958 229 68.9 m
HAITZ DD Iowa 1961 229 51.5 m
DRAINAGE DITCH 110 Iowa 1963 229 9.8 m
WEST FORK DD Iowa 1961 229 63.4 m
TIMBER CREEK Iowa 1977 227 32.0 m
SPRING CR Iowa 1967 227 23.5 m
DRAINAGE Iowa 1945 226 15.2 m
WALNUT CREEK Iowa 1971 226 8.2 m
DRY RUN CREEK Iowa 1977 226 39.3 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.