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 |
|---|---|---|---|---|---|
| WILLIAMS CREEK | Iowa | 1970 | 5 | 12.2 m | |
| WILLIAMS CREEK | Iowa | 1963 | 5 | 16.8 m | |
| WILLIAMS CREEK | Iowa | 1964 | 5 | 25.3 m | |
| WILLIAMS CREEK | Iowa | 1968 | 5 | 12.2 m | |
| SIN CREEK | Iowa | 1964 | 5 | 12.2 m | |
| CLEAR CREEK | Iowa | 1915 | 5 | 21.9 m | |
| INDIAN CREEK | Iowa | 1900 | 5 | 8.5 m | |
| E NISHNABOTNA RIVER | Iowa | 1924 | 5 | 38.4 m | |
| CREEK | Iowa | 1950 | 5 | 13.3 m | |
| BR STEIN CK | Iowa | 1971 | 5 | 7.6 m | |
| BRANCH ROCK CREEK | Iowa | 1984 | 5 | 10.4 m | |
| BEAVER CREEK | Iowa | 1915 | 5 | 7.3 m | |
| MONTGOMERY CREEK | Iowa | 1915 | 5 | 7.0 m | |
| STREAM | Iowa | 1973 | 5 | 7.6 m | |
| COLD WATER CREEK | Iowa | 1905 | 5 | 23.8 m | |
| STREAM | Iowa | 1900 | 5 | 22.9 m | |
| DRAINAGE DITCH | Iowa | 1974 | 5 | 9.4 m | |
| W CEDAR CR. | Iowa | 1900 | 5 | 9.4 m | |
| WHISTLERS BRANCH | Iowa | 1983 | 5 | 12.2 m | |
| WATERWAY | Iowa | 1985 | 5 | 12.8 m | |
| STREAM | Iowa | 1981 | 5 | 31.7 m | |
| CLARKS CREEK | Iowa | 1966 | 5 | 21.6 m | |
| TURKEY CR | Iowa | 1900 | 5 | 29.9 m | |
| SMALL STREAM | Iowa | 1978 | 5 | 12.2 m | |
| CREEK | Iowa | 1961 | 5 | 20.4 m | |
| CREEK | Iowa | 2005 | 5 | 6.7 m | |
| WATERWAY | Iowa | 1995 | 5 | 15.2 m | |
| TROUBLESOME CREEK | Iowa | 1900 | 5 | 35.1 m | |
| LITTLE CAMP CREEK | Iowa | 1981 | 5 | 12.8 m | |
| MIDDLE BR WAPSININOC CR | Iowa | 1904 | 5 | 12.5 m | |
| MAPLE CREEK | Iowa | 1976 | 5 | 18.3 m | |
| PITCHER CREEK | Iowa | 1924 | 5 | 10.1 m | |
| ROCK CREEK | Iowa | 1917 | 5 | 13.1 m | |
| FIDDLE CREEK | Iowa | 1917 | 5 | 14.6 m | |
| WEST FORK LITTLE SIOUX | Iowa | 1917 | 5 | 9.1 m | |
| SPRING BRANCH CREEK | Iowa | 1980 | 5 | 23.8 m | |
| BR WHITE BREAST CREEK | Iowa | 1969 | 5 | 12.2 m | |
| EAST LONG CREEK | Iowa | 1900 | 5 | 18.3 m | |
| EAST LONG CREEK | Iowa | 1977 | 5 | 18.3 m | |
| SOUTH RIVER | Iowa | 1983 | 5 | 18.6 m | |
| DRAINAGE DITCH | Iowa | 1926 | 5 | 11.0 m | |
| STREAM | Iowa | 1913 | 5 | 15.9 m | |
| NORTH CEDAR CREEK | Iowa | 1913 | 5 | 10.4 m | |
| FABIUS CREEK | Iowa | 1977 | 5 | 6.1 m | |
| CARTERS CREEK | Iowa | 1958 | 5 | 12.8 m | |
| TRIB OF DICKENSON BRANCH | Iowa | 1967 | 5 | 25.6 m | |
| TRIB OF WELDON RIVER | Iowa | 1910 | 5 | 15.9 m | |
| SHANE CREEK | Iowa | 1967 | 5 | 12.2 m | |
| WELDON RIVER | Iowa | 1991 | 5 | 48.8 m | |
| E FORK OF DES MOINES | Iowa | 1895 | 5 | 25.0 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.