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 |
|---|---|---|---|---|---|
| BR.SOUTH RIVER | Iowa | 1940 | 11 | 26.8 m | |
| BRANCH SOUTH RIVER | Iowa | 1973 | 11 | 22.6 m | |
| SM STREAM | Iowa | 1934 | 11 | 9.1 m | |
| SOUTH FORK LONG CREEK | Iowa | 1914 | 11 | 32.0 m | |
| SMALL STREAM | Iowa | 1917 | 11 | 9.8 m | |
| DAVIS CREEK | Iowa | 1980 | 11 | 12.5 m | |
| STREAM | Iowa | 1980 | 11 | 22.9 m | |
| STREAM | Iowa | 1975 | 11 | 10.4 m | |
| DD | Iowa | 1959 | 11 | 7.6 m | |
| PIKE RUN | Iowa | 1976 | 11 | 29.6 m | |
| N BUFFALO CREEK | Iowa | 1949 | 11 | 18.9 m | |
| CREEK | Iowa | 1971 | 11 | 9.1 m | |
| CREEK | Iowa | 1900 | 11 | 10.4 m | |
| CREEK | Iowa | 1913 | 11 | 10.4 m | |
| SMALL | Iowa | 1978 | 11 | 7.3 m | |
| FARMERS DITCH | Iowa | 1980 | 11 | 44.8 m | |
| SMALL STREAM | Iowa | 1985 | 11 | 11.9 m | |
| WOLF CREEK | Iowa | 1938 | 11 | 11.9 m | |
| W FK LITTLE SIOUX RIVER | Iowa | 1935 | 11 | 34.1 m | |
| WRIGHT CREEK | Iowa | 1950 | 11 | 13.1 m | |
| WRIGHT CREEK | Iowa | 1950 | 11 | 34.1 m | |
| STREAM | Iowa | 1965 | 11 | 34.1 m | |
| STREAM | Iowa | 1997 | 11 | 14.9 m | |
| STREAM | Iowa | 1955 | 11 | 21.0 m | |
| STREAM | Iowa | 1900 | 11 | 12.2 m | |
| WHITE FOX CREEK | Iowa | 1941 | 11 | 24.7 m | |
| DRAINAGE DITCH 9 | Iowa | 1920 | 11 | 9.1 m | |
| DRAINAGE DITCH 111 | Iowa | 1900 | 11 | 7.3 m | |
| EAGLE CREEK | Iowa | 1979 | 11 | 11.3 m | |
| OTTER CREEK | Iowa | 1969 | 11 | 21.0 m | |
| DD #219 | Iowa | 1972 | 11 | 21.0 m | |
| WEST BRANCH IOWA RIVER | Iowa | 1919 | 11 | 23.5 m | |
| STREAM | Iowa | 1981 | 11 | 11.3 m | |
| BR OF CARRUTHERS CREEK | Iowa | 1900 | 11 | 7.0 m | |
| DRAINAGE DITCH | Iowa | 1983 | 11 | 13.4 m | |
| MILL CREEK | Iowa | 1940 | 11 | 6.7 m | |
| STREAM | Iowa | 1982 | 11 | 9.1 m | |
| SMALL STREAM | Iowa | 1950 | 11 | 6.1 m | |
| BRANCH NAGEL CREEK | Iowa | 1935 | 11 | 15.9 m | |
| WEST OTTER CREEK | Iowa | 1987 | 11 | 7.3 m | |
| SMALL STREAM | Iowa | 1900 | 11 | 25.0 m | |
| SOUTH WEST CREEK | Iowa | 1900 | 11 | 37.8 m | |
| SMALL STREAM | Iowa | 1900 | 11 | 11.6 m | |
| STREAM | Iowa | 1900 | 11 | 6.7 m | |
| SMALL STREAM | Iowa | 1900 | 11 | 12.8 m | |
| STREAM | Iowa | 1900 | 11 | 7.0 m | |
| STREAM | Iowa | 1950 | 11 | 14.0 m | |
| PITCHER 153 | Iowa | 1900 | 11 | 6.7 m | |
| DRAINAGE | Iowa | 1972 | 11 | 9.1 m | |
| VILLAGE CREEK | Iowa | 1900 | 10 | 25.3 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.