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 |
|---|---|---|---|---|---|
| STREAM | Iowa | 1966 | 5 | 11.9 m | |
| DRAINAGE #10 | Iowa | 1920 | 5 | 21.6 m | |
| MAIN DITCH | Iowa | 1981 | 5 | 12.2 m | |
| WALNUT CREEK | Iowa | 1961 | 5 | 28.0 m | |
| MINOR DRAINAGE | Iowa | 1971 | 5 | 7.3 m | |
| DEER CREEK | Iowa | 1962 | 5 | 27.7 m | |
| MCPHERSON CREEK | Iowa | 1979 | 5 | 36.9 m | |
| BRANCH WOLF CREEK | Iowa | 1914 | 5 | 11.6 m | |
| STREAM | Iowa | 1930 | 5 | 7.3 m | |
| STREAM | Iowa | 1940 | 5 | 20.4 m | |
| STREAM | Iowa | 1940 | 5 | 14.6 m | |
| DRAINAGE DITCH | Iowa | 1925 | 5 | 10.1 m | |
| CREEK | Iowa | 1985 | 5 | 15.9 m | |
| ALLEN CREEK | Iowa | 1986 | 5 | 14.6 m | |
| STEER CREEK | Iowa | 1969 | 5 | 22.3 m | |
| SMALL STREAM | Iowa | 1960 | 5 | 28.0 m | |
| S BR BIG CREEK | Iowa | 1996 | 5 | 21.3 m | |
| CREEK | Iowa | 1964 | 5 | 10.7 m | |
| SILVER CREEK | Iowa | 1983 | 5 | 35.4 m | |
| WEST FORK BATTLE CREEK | Iowa | 1963 | 5 | 13.4 m | |
| SMALL STREAM | Iowa | 1969 | 5 | 11.6 m | |
| STREAM | Iowa | 1940 | 5 | 13.1 m | |
| STREAM | Iowa | 1940 | 5 | 13.1 m | |
| WALNUT CREEK | Iowa | 1945 | 5 | 13.1 m | |
| BRUSH CREEK | Iowa | 1988 | 5 | 7.0 m | |
| SMALL STREAM | Iowa | 1976 | 5 | 6.7 m | |
| TROY CREEK | Iowa | 1915 | 5 | 25.0 m | |
| BR.WALNUT CREEK | Iowa | 1926 | 5 | 6.4 m | |
| BR OLD MANS CR | Iowa | 1915 | 5 | 9.8 m | |
| PRAIRIE CREEK | Iowa | 1986 | 5 | 18.5 m | |
| PRAIRIE CREEK | Iowa | 1986 | 5 | 18.4 m | |
| MIDDLE BRANCH BLUE EARTH | Iowa | 1967 | 5 | 17.3 m | |
| DD #185 | Iowa | 1900 | 5 | 14.4 m | |
| W BR BLUE EARTH RIVER | Iowa | 1980 | 5 | 19.0 m | |
| HONEY CREEK | Iowa | 1928 | 5 | 13.7 m | |
| HONEY CREEK | Iowa | 1951 | 5 | 7.3 m | |
| DR TO HONEY CREEK | Iowa | 1900 | 5 | 7.3 m | |
| CARRUTHERS CREEK | Iowa | 1940 | 5 | 17.7 m | |
| BR OF ENGLISH CREEK | Iowa | 1939 | 5 | 11.3 m | |
| STONY CREEK | Iowa | 1965 | 5 | 39.6 m | |
| STONY FORK | Iowa | 1951 | 5 | 7.3 m | |
| STONY FORK | Iowa | 1999 | 5 | 10.1 m | |
| S OTTER CREEK | Iowa | 1970 | 5 | 23.2 m | |
| JOHNSON CREEK | Iowa | 1900 | 5 | 19.2 m | |
| N CLANTON CREEK | Iowa | 1895 | 5 | 19.2 m | |
| DRAINAGE | Iowa | 1956 | 5 | 8.2 m | |
| PLEASANT CREEK | Iowa | 1956 | 5 | 17.4 m | |
| DRAINAGE | Iowa | 1900 | 5 | 6.4 m | |
| NORTH TIMBER CREEK | Iowa | 1950 | 5 | 19.2 m | |
| BURNETT CR | Iowa | 1917 | 5 | 11.0 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.