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 |
|---|---|---|---|---|---|
| OTTER CREEK OVERFLOW | Iowa | 1954 | 103 | 30.5 m | |
| SEVEN MILE CREEK | Iowa | 1963 | 103 | 7.6 m | |
| CREEK | Iowa | 1974 | 102 | 25.0 m | |
| DRAINAGE | Iowa | 1957 | 100 | 9.8 m | |
| SOAP CREEK | Iowa | 1954 | 100 | 61.0 m | |
| WAPSIPINICON RIVER | Iowa | 1930 | 100 | 128.0 m | |
| BRANCH OF WAPSIPINICON | Iowa | 1930 | 100 | 76.8 m | |
| SUGAR CREEK | Iowa | 1959 | 100 | 24.7 m | |
| STREAM | Iowa | 1978 | 100 | 10.1 m | |
| STREAM | Iowa | 1957 | 100 | 13.7 m | |
| SKUNK RIVER | Iowa | 1920 | 100 | 46.9 m | |
| STREAM | Iowa | 1958 | 100 | 17.4 m | |
| STREAM | Iowa | 1972 | 100 | 8.5 m | |
| STREAM | Iowa | 1982 | 100 | 7.9 m | |
| MIDDLE RACCOON | Iowa | 1951 | 100 | 65.2 m | |
| BUCKEYE CREEK | Iowa | 1973 | 100 | 7.6 m | |
| CONVEY CREEK | Iowa | 1920 | 100 | 8.8 m | |
| STREAM | Iowa | 1950 | 100 | 8.8 m | |
| PRICE CREEK | Iowa | 1940 | 100 | 22.3 m | |
| MUCHAKINOCK CREEK | Iowa | 1957 | 100 | 13.7 m | |
| BRANCH BEAVER CREEK | Iowa | 1975 | 100 | 11.6 m | |
| DRAINAGE DITCH | Iowa | 1971 | 100 | 10.7 m | |
| BROOKS CREEK | Iowa | 1974 | 100 | 23.2 m | |
| CREEK | Iowa | 1959 | 100 | 12.8 m | |
| S RACCOON RIVER | Iowa | 1974 | 100 | 76.2 m | |
| M NODAWAY RIVER | Iowa | 1952 | 100 | 43.3 m | |
| STREAM | Iowa | 1948 | 100 | 13.4 m | |
| DD #77 NO LIZARD CK | Iowa | 1967 | 100 | 13.7 m | |
| WATERWAY | Iowa | 1930 | 100 | 8.5 m | |
| SUGAR CREEK | Iowa | 1935 | 100 | 67.4 m | |
| DRAINAGE | Iowa | 1963 | 100 | 10.1 m | |
| S RIVER | Iowa | 1950 | 100 | 56.4 m | |
| WILLOW RIVER | Iowa | 1916 | 100 | 33.5 m | |
| NORTH RIVER | Iowa | 1960 | 100 | 54.0 m | |
| MIDDLE FORK BEAVER CREEK | Iowa | 1952 | 99 | 15.5 m | |
| EAST WAPSIPINICON | Iowa | 1900 | 98 | 35.1 m | |
| CEDAR CREEK | Iowa | 1960 | 98 | 9.8 m | |
| DOWD CREEK | Iowa | 1964 | 98 | 7.6 m | |
| CREEK | Iowa | 1900 | 97 | 10.1 m | |
| SMALL STREAM | Iowa | 1973 | 97 | 7.6 m | |
| FROG CREEK | Iowa | 1930 | 95 | 7.0 m | |
| IOWA RIVER | Iowa | 1952 | 92 | 162.5 m | |
| BR OLD MANS CR | Iowa | 1920 | 92 | 7.0 m | |
| SHANGHAI CREEK | Iowa | 1940 | 91 | 37.5 m | |
| SMALL STREAM | Iowa | 1954 | 91 | 25.0 m | |
| SMALL STREAM | Iowa | 1937 | 91 | 6.1 m | |
| MILL CREEK | Iowa | 1956 | 91 | 45.7 m | |
| SMALL | Iowa | 1980 | 91 | 13.1 m | |
| WILLOW CREEK | Iowa | 1941 | 91 | 19.8 m | |
| SMALL STREAM | Iowa | 1984 | 91 | 7.0 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.