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.
| Bridge | State | Condition | Year Built | ADT | Length |
|---|---|---|---|---|---|
| OLIVE BRANCH CREEK | Iowa | 1950 | 30 | 16.5 m | |
| SMALL | Iowa | 1979 | 30 | 18.9 m | |
| WATERWAY | Iowa | 1958 | 30 | 9.8 m | |
| BUCK CREEK | Iowa | 1900 | 30 | 39.0 m | |
| ROCK CREEK | Iowa | 1915 | 30 | 9.1 m | |
| SMALL CREEK | Iowa | 1919 | 30 | 8.5 m | |
| MAPLE RIVER | Iowa | 1919 | 30 | 20.7 m | |
| CREEK | Iowa | 1918 | 30 | 8.2 m | |
| SHORT CREEK | Iowa | 1967 | 30 | 24.7 m | |
| NORTH TIMBER CREEK | Iowa | 1951 | 30 | 13.1 m | |
| BIG INDIAN CREEK | Iowa | 1967 | 30 | 28.0 m | |
| CREEK | Iowa | 1925 | 30 | 7.9 m | |
| ROCK CR | Iowa | 1950 | 30 | 10.7 m | |
| SOUTH ENGLISH RIVER | Iowa | 1990 | 30 | 10.7 m | |
| MOON CREEK | Iowa | 1952 | 30 | 23.5 m | |
| MAYNES CREEK | Iowa | 1955 | 30 | 54.0 m | |
| MAYNES CR | Iowa | 1956 | 30 | 13.4 m | |
| BUFFALO CREEK | Iowa | 1971 | 30 | 17.1 m | |
| VILLAGE CREEK | Iowa | 2000 | 30 | 18.3 m | |
| FARMERS DITCH | Iowa | 1900 | 30 | 33.8 m | |
| W FK LITTLE SIOUX RIVER | Iowa | 1952 | 30 | 62.2 m | |
| WOLF CREEK | Iowa | 1958 | 30 | 19.2 m | |
| LITTLE BEAVER CREEK | Iowa | 1924 | 30 | 7.0 m | |
| BRANCH OTTER CREEK | Iowa | 1970 | 30 | 12.2 m | |
| BRANCH WOLF CREEK | Iowa | 1956 | 30 | 17.4 m | |
| LINN CREEK | Iowa | 1919 | 30 | 10.1 m | |
| FLANK CREEK | Iowa | 1965 | 30 | 9.8 m | |
| BRANCH BLACK HAWK CREEK | Iowa | 1977 | 30 | 15.9 m | |
| STREAM | Iowa | 1954 | 30 | 12.8 m | |
| BUCK CREEK | Iowa | 1976 | 30 | 15.2 m | |
| WOLF CREEK | Iowa | 1940 | 30 | 21.6 m | |
| LONG DICK CREEK | Iowa | 1924 | 30 | 13.7 m | |
| DRAINAGE DITCH | Iowa | 1923 | 30 | 15.2 m | |
| DRAINAGE DITCH | Iowa | 1919 | 30 | 9.8 m | |
| NORTH WALNUT CREEK | Iowa | 1955 | 30 | 13.7 m | |
| NORTH WALNUT CREEK | Iowa | 1979 | 30 | 12.5 m | |
| STREAM | Iowa | 1953 | 30 | 7.3 m | |
| STREAM | Iowa | 1977 | 30 | 8.5 m | |
| RATHBURN CREEK | Iowa | 1900 | 30 | 11.6 m | |
| MINERVA CREEK | Iowa | 1984 | 30 | 15.9 m | |
| BIG WHISKEY CREEK | Iowa | 1953 | 30 | 25.0 m | |
| TIPTON CREEK | Iowa | 1984 | 30 | 21.3 m | |
| BRUSHY CREEK | Iowa | 1900 | 30 | 6.4 m | |
| HONEY CREEK | Iowa | 1988 | 30 | 18.0 m | |
| WALKER CREEK | Iowa | 1983 | 30 | 11.0 m | |
| BERRY BRANCH | Iowa | 1974 | 30 | 12.5 m | |
| LYNN CREEK | Iowa | 1974 | 30 | 13.1 m | |
| TURKEY RIVER | Iowa | 1986 | 30 | 9.8 m | |
| NORTH TURKEY | Iowa | 1966 | 30 | 10.4 m | |
| DM RIVER | Iowa | 1905 | 30 | 66.1 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.