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
FISH CREEK Iowa 1965 226 11.9 m
SHELL ROCK RIVER Iowa 1959 226 128.3 m
DRY RUN CREEK Iowa 1977 226 39.3 m
TROUBLESOME CREEK Iowa 1964 226 7.3 m
DRY RUN CREEK Iowa 1900 224 9.4 m
SKUNK RIVER Iowa 1954 224 106.7 m
EAST CEDAR CREEK Iowa 1968 220 31.1 m
DRAINAGE Iowa 1900 220 16.2 m
TARKIO CREEK TRIB Iowa 1959 219 29.0 m
CREEK Iowa 1962 219 8.2 m
LITTLE TARKIO Iowa 1958 219 31.4 m
DRAINAGE Iowa 1930 219 6.1 m
TARKIO CREEK Iowa 1955 219 46.6 m
W FORK GRAND RIVER Iowa 1956 219 77.4 m
DD 181 BIG CEDAR Iowa 1938 219 37.2 m
IOWA RIVER OVERFLOW Iowa 1953 216 47.9 m
ROCK CREEK Iowa 1973 216 9.8 m
MUNNS CREEK Iowa 1955 216 9.1 m
CREEK Iowa 1934 216 18.6 m
BEAVER CREEK Iowa 1977 216 11.0 m
IOWA RIVER Iowa 1938 216 100.9 m
IOWA RIVER OVERFLOW Iowa 1947 216 51.5 m
SMALL STREAM Iowa 1984 216 11.3 m
DRAINAGE DITCH Iowa 1973 216 9.4 m
SMALL STREAM Iowa 1981 216 22.9 m
LINN CREEK Iowa 1963 216 21.9 m
HORSE CREEK Iowa 1957 214 13.7 m
DRAINAGE DITCH Iowa 1938 210 10.4 m
TROUBLESOME CREEK Iowa 1960 210 51.8 m
BUSHY CREEK Iowa 1986 210 35.1 m
CREEK Iowa 1968 210 8.2 m
PLUM CREEK Iowa 1968 210 11.6 m
ELK RUN CREEK Iowa 1900 209 30.8 m
SHELL ROCK RIV OVERFLOW Iowa 1992 207 17.4 m
UPPER IOWA RIVER Iowa 1985 207 18.3 m
CREEK Iowa 1998 206 13.7 m
BEAVER CREEK Iowa 1965 206 38.7 m
DRAINAGE Iowa 1962 200 11.6 m
CLEAR CREEK Iowa 1962 200 15.5 m
MUD CREEK Iowa 1955 200 7.6 m
BRUSH CREEK Iowa 1988 200 25.3 m
DME RR Iowa 1936 200 36.0 m
CREEK Iowa 1974 200 31.7 m
CREEK Iowa 1970 200 6.4 m
WHEELER CREEK Iowa 1968 199 13.4 m
KEMP CREEK Iowa 1961 199 31.4 m
BACON CREEK Iowa 1900 199 13.4 m
IOWA RIVER Iowa 1968 199 53.3 m
CRABAPPLE CREEK Iowa 1958 199 31.4 m
EAST PLATTE RIVER Iowa 1963 199 31.1 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.