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
DRAINAGE Iowa 1977 359 10.1 m
BACON CREEK Iowa 1967 359 46.6 m
OVER I.C.E. RR Iowa 1900 358 34.7 m
MIDDLE RACCOON RIVER Iowa 1965 358 60.0 m
VOLGA RIVER Iowa 1955 356 40.2 m
LAKE CREEK Iowa 1985 354 31.4 m
MOON CREEK Iowa 1958 354 23.8 m
CREEK Iowa 1961 350 8.2 m
CREEK Iowa 1971 350 6.7 m
SOLDIER RIVER Iowa 1971 350 35.4 m
DRAINAGE Iowa 1940 349 7.3 m
SMALL STREAM Iowa 1920 349 7.0 m
STREAM Iowa 1968 349 13.4 m
BROWN BRANCH Iowa 1965 349 31.4 m
MINNOW CREEK Iowa 1900 349 6.4 m
SOUTH RIVER Iowa 1936 349 46.6 m
SOLDIER RIVER Iowa 1955 349 92.7 m
SMALL STREAM Iowa 1900 346 18.3 m
SALT CREEK Iowa 1965 344 23.8 m
BRANCH SALT CREEK Iowa 1996 344 17.4 m
SO BRANCH SALT CREEK Iowa 1996 344 12.5 m
SO BR RALSTON CREEK Iowa 1957 341 6.7 m
LITTLE BEAR CREEK Iowa 1912 340 12.2 m
SUGAR CREEK Iowa 1968 340 46.9 m
LYNN CREEK Iowa 1964 340 23.8 m
CEDAR CREEK Iowa 1957 340 77.4 m
DD NO 69 Iowa 1974 339 31.4 m
CREEK Iowa 1964 339 21.3 m
ROCK RIVER Iowa 1968 337 76.8 m
ALLEN CREEK Iowa 1969 335 12.2 m
TIPTON CREEK Iowa 1900 334 19.2 m
BEAVER CREEK Iowa 1967 334 30.8 m
RALSTON CREEK Iowa 1957 330 6.7 m
WOLF CREEK Iowa 1958 330 43.9 m
YANKEE RUN Iowa 1940 330 7.6 m
MAQUOKETA RIVER Iowa 1950 330 134.1 m
DD #41 BIG CEDAR CK Iowa 1977 330 27.7 m
D D # 51 Iowa 1966 330 13.4 m
SMALL STREAM Iowa 1990 330 14.9 m
WEST TARKIO CREEK Iowa 1968 329 64.9 m
MID TARKIO CREEK Iowa 1968 329 34.4 m
SOUTH RACCOON RIVER Iowa 1975 329 76.2 m
WEST 102 RIVER Iowa 1962 329 62.2 m
JIM CREEK Iowa 1971 329 23.8 m
GRAND RIVER Iowa 1959 329 92.1 m
WEST 102 RIVER Iowa 1986 329 58.5 m
FORK CREEK Iowa 1960 326 6.7 m
STREAM Iowa 1960 325 7.9 m
UPPER IOWA RIVER Iowa 1937 324 90.5 m
ROCK FALLS CREEK Iowa 1966 324 9.4 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.