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 |
|---|---|---|---|---|---|
| CREEK | Iowa | 1969 | 91 | 25.9 m | |
| SMALL STREAM | Iowa | 1949 | 91 | 17.7 m | |
| SMALL | Iowa | 1980 | 91 | 13.1 m | |
| WILLOW CREEK | Iowa | 1941 | 91 | 19.8 m | |
| CREEK | Iowa | 1978 | 91 | 11.3 m | |
| WAPSIPINICON | Iowa | 1956 | 91 | 93.6 m | |
| SPRING BRANCH CREEK | Iowa | 1961 | 91 | 14.0 m | |
| SMALL | Iowa | 1979 | 91 | 9.4 m | |
| BIG HOLLOW CREEK | Iowa | 1956 | 90 | 17.1 m | |
| SNIPE CREEK | Iowa | 1927 | 90 | 25.6 m | |
| STREAM | Iowa | 1927 | 90 | 18.0 m | |
| MORGAN CREEK | Iowa | 1964 | 90 | 7.3 m | |
| STREAM | Iowa | 1981 | 90 | 18.3 m | |
| CREEK | Iowa | 1951 | 90 | 16.5 m | |
| PRAIRIE CK | Iowa | 1971 | 90 | 12.2 m | |
| BR ROCK CK | Iowa | 1973 | 90 | 7.3 m | |
| DRY RUN CREEK | Iowa | 1937 | 90 | 9.8 m | |
| BIG CREEK | Iowa | 1900 | 90 | 7.6 m | |
| BLOOD RUN CREEK | Iowa | 1900 | 90 | 14.6 m | |
| PRAIRIE CREEK D D #1 | Iowa | 1978 | 90 | 7.6 m | |
| DRAINAGE | Iowa | 1940 | 90 | 11.0 m | |
| SMALL | Iowa | 1979 | 90 | 7.6 m | |
| CHARITON RIVER | Iowa | 1958 | 90 | 54.3 m | |
| SMALL | Iowa | 1979 | 90 | 7.9 m | |
| VILLAGE CREEK | Iowa | 1989 | 90 | 26.5 m | |
| BR TO WHITEBREAST CREEK | Iowa | 1958 | 90 | 29.6 m | |
| E BR WAPSINONOC CR | Iowa | 1975 | 90 | 12.2 m | |
| YANKEE RUN | Iowa | 1995 | 90 | 7.3 m | |
| PAINTER CREEK | Iowa | 1951 | 90 | 19.5 m | |
| MONK CREEK | Iowa | 1934 | 90 | 20.7 m | |
| CREEK | Iowa | 1934 | 90 | 10.4 m | |
| DRAINAGE | Iowa | 1951 | 90 | 7.6 m | |
| SPRING CREEK | Iowa | 1964 | 90 | 13.1 m | |
| NORTH RIVER | Iowa | 1949 | 89 | 68.9 m | |
| STREAM | Iowa | 1949 | 89 | 29.0 m | |
| LITTLE TARKIO TRIB | Iowa | 1964 | 89 | 9.4 m | |
| WILLOW RIVER | Iowa | 1900 | 89 | 58.2 m | |
| FOUR MILE CREEK | Iowa | 1941 | 89 | 46.3 m | |
| BOYER RIVER | Iowa | 1940 | 89 | 49.4 m | |
| STREAM | Iowa | 1978 | 89 | 12.8 m | |
| WATERWAY | Iowa | 1900 | 89 | 16.2 m | |
| DRAINAGE | Iowa | 1940 | 89 | 19.5 m | |
| WILLOW CREEK | Iowa | 1953 | 89 | 23.5 m | |
| SMALL STREAM | Iowa | 1954 | 89 | 9.8 m | |
| SOUTH WEST CREEK | Iowa | 1978 | 89 | 13.4 m | |
| BOHEMIAN CREEK | Iowa | 1922 | 88 | 22.9 m | |
| OTTER CREEK | Iowa | 1969 | 88 | 25.3 m | |
| MINOR CREEK | Iowa | 1970 | 88 | 22.9 m | |
| CREEK | Iowa | 1900 | 88 | 6.7 m | |
| SUGAR CREEK | Iowa | 1900 | 88 | 13.4 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.