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.