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 |
|---|---|---|---|---|---|
| PLUM CREEK | Iowa | 1962 | 62 | 17.1 m | |
| LITTLE TURKEY RIVER | Iowa | 1966 | 62 | 44.5 m | |
| LITTLE ROCK RIVER | Iowa | 1900 | 62 | 36.6 m | |
| LIZARD CREEK | Iowa | 1900 | 62 | 23.8 m | |
| LITTLE SIOUX RIVER | Iowa | 1915 | 62 | 54.9 m | |
| STREAM | Iowa | 1955 | 62 | 7.9 m | |
| SMALL STREAM | Iowa | 1918 | 62 | 7.9 m | |
| STREAM | Iowa | 1957 | 62 | 9.8 m | |
| GINGER CREEK | Iowa | 1952 | 62 | 9.8 m | |
| ROCK RIVER | Iowa | 1900 | 62 | 58.5 m | |
| DICKENSON BRANCH | Iowa | 1949 | 62 | 30.5 m | |
| PINNEY CREEK | Iowa | 1900 | 62 | 9.1 m | |
| BOONE RIVER | Iowa | 1902 | 62 | 56.7 m | |
| STREAM | Iowa | 1958 | 62 | 7.6 m | |
| OVER BNSF RR | Iowa | 1977 | 61 | 48.5 m | |
| MINOR DRAINAGE | Iowa | 1930 | 61 | 36.0 m | |
| DRAINAGE | Iowa | 1956 | 61 | 6.1 m | |
| SMALL STREAM | Iowa | 1954 | 61 | 10.1 m | |
| W BR LITTLE SIOUX | Iowa | 1977 | 61 | 31.1 m | |
| PAINT CREEK | Iowa | 1915 | 60 | 34.1 m | |
| TEEPLE CREEK | Iowa | 1900 | 60 | 15.9 m | |
| STREAM | Iowa | 1953 | 60 | 9.8 m | |
| DM RIVER | Iowa | 1911 | 60 | 33.5 m | |
| BOYER RIVER | Iowa | 1958 | 60 | 39.0 m | |
| CREEK | Iowa | 1920 | 60 | 25.0 m | |
| CROOKED CREEK | Iowa | 1936 | 60 | 21.6 m | |
| SMALL CREEK | Iowa | 1967 | 60 | 11.0 m | |
| TRIB DES MOINES RIVER | Iowa | 1950 | 60 | 12.2 m | |
| DD #13 | Iowa | 1971 | 60 | 6.7 m | |
| BIG BEAR CREEK | Iowa | 1951 | 60 | 37.2 m | |
| BR MILL CR | Iowa | 1955 | 60 | 8.2 m | |
| JORDAN CREEK | Iowa | 1954 | 60 | 39.3 m | |
| BRUSHY FORK CREEK | Iowa | 1925 | 60 | 28.3 m | |
| FIELD STREAM | Iowa | 1946 | 60 | 9.5 m | |
| SMALL | Iowa | 1976 | 60 | 13.1 m | |
| WEST TARKIO RIVER | Iowa | 1960 | 60 | 39.9 m | |
| STREAM | Iowa | 1972 | 60 | 23.8 m | |
| SMALL CREEK | Iowa | 1958 | 60 | 13.4 m | |
| MIDDLE RIVER | Iowa | 1930 | 60 | 18.6 m | |
| UNNAMED CREEK | Iowa | 1955 | 60 | 17.4 m | |
| BRANCH IOWA RIVER | Iowa | 1988 | 60 | 12.2 m | |
| WATERWAY | Iowa | 1952 | 60 | 64.0 m | |
| BIG BEAR CREEK | Iowa | 1955 | 60 | 38.7 m | |
| PINE CREEK | Iowa | 1955 | 60 | 46.3 m | |
| ODEBOLT CREEK | Iowa | 1949 | 60 | 46.6 m | |
| STREAM | Iowa | 1923 | 60 | 7.9 m | |
| SMALL CREEK | Iowa | 2000 | 60 | 6.1 m | |
| ROCK CREEK | Iowa | 1958 | 60 | 7.9 m | |
| W FK GRAND RIVER | Iowa | 1930 | 60 | 22.3 m | |
| BEAR CREEK | Iowa | 1950 | 60 | 36.9 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.