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 | 1934 | 34 | 13.1 m | |
| STREAM | Iowa | 1975 | 34 | 6.1 m | |
| OLD MANS CREEK | Iowa | 1975 | 34 | 15.9 m | |
| BRUSH CREEK | Iowa | 1981 | 34 | 23.2 m | |
| SMALL CREEK | Iowa | 1940 | 34 | 7.6 m | |
| STREAM | Iowa | 1963 | 34 | 9.8 m | |
| BIG CEDAR RIVER | Iowa | 1991 | 34 | 37.2 m | |
| BR.WALNUT CREEK | Iowa | 1950 | 34 | 7.6 m | |
| DRAINAGE | Iowa | 1939 | 34 | 9.8 m | |
| COAL CREEK | Iowa | 1967 | 34 | 13.7 m | |
| S FORK ENGLISH RIVER | Iowa | 1953 | 34 | 46.6 m | |
| SMALL STREAM | Iowa | 1962 | 34 | 17.4 m | |
| SMALL | Iowa | 1978 | 34 | 17.4 m | |
| E FORK DES MOINES RIVER | Iowa | 1900 | 34 | 31.1 m | |
| EAST BR INDIAN CREEK | Iowa | 1900 | 34 | 25.3 m | |
| MORGAN CREEK | Iowa | 1987 | 34 | 15.5 m | |
| SMALL STREAM | Iowa | 1905 | 34 | 13.7 m | |
| BR WOLF CREEK | Iowa | 1953 | 33 | 17.7 m | |
| EAST NODAWAY RIVER | Iowa | 1930 | 33 | 48.5 m | |
| LITTLE CEDAR RIVER | Iowa | 1908 | 33 | 23.5 m | |
| BRANCH OF SALT CREEK | Iowa | 1983 | 33 | 12.2 m | |
| WAPSIPINICON RIVER | Iowa | 1945 | 33 | 41.8 m | |
| EAST BRANCH SALT CREEK | Iowa | 1937 | 33 | 13.1 m | |
| BASKINS CREEK | Iowa | 1961 | 33 | 11.0 m | |
| STREAM | Iowa | 1964 | 33 | 13.1 m | |
| BRANCH IOWA RIVER | Iowa | 1913 | 33 | 9.8 m | |
| SMALL | Iowa | 1984 | 33 | 7.9 m | |
| CREEK | Iowa | 1978 | 33 | 7.3 m | |
| TROUT CREEK | Iowa | 1915 | 33 | 9.1 m | |
| RICHLAND CREEK | Iowa | 1956 | 33 | 32.3 m | |
| UNAMED CR | Iowa | 1923 | 33 | 7.9 m | |
| E BR BUFFALO CR | Iowa | 1962 | 33 | 22.9 m | |
| ALEXANDER CR | Iowa | 1989 | 33 | 7.3 m | |
| VOLGA RIVER | Iowa | 1940 | 33 | 23.2 m | |
| UNAMED CREEK | Iowa | 1928 | 33 | 7.3 m | |
| HAUGH CREEK | Iowa | 1920 | 33 | 16.2 m | |
| VOLGA RIVER | Iowa | 1914 | 33 | 6.6 m | |
| CLEAR WATER CREEK | Iowa | 1927 | 33 | 19.2 m | |
| LITTLE WOLF CREEK | Iowa | 1976 | 33 | 9.8 m | |
| BRANCH BLACK HAWK CREEK | Iowa | 1971 | 33 | 11.9 m | |
| MOSQUITO CREEK | Iowa | 1983 | 33 | 8.5 m | |
| BRANCH BLACKHAWK CREEK | Iowa | 1955 | 33 | 34.4 m | |
| CREEK | Iowa | 1981 | 33 | 17.7 m | |
| TURKEY RIVER | Iowa | 1959 | 33 | 33.8 m | |
| LITTLE SIOUX | Iowa | 1920 | 31 | 25.3 m | |
| OTTER CREEK | Iowa | 1967 | 31 | 20.1 m | |
| BR WAPSIPINICON RIVER | Iowa | 1988 | 31 | 10.4 m | |
| BR MEAD CREEK | Iowa | 1989 | 31 | 7.9 m | |
| DRAINAGE DITCH | Iowa | 1970 | 31 | 9.8 m | |
| BRANCH CRANE CREEK | Iowa | 1983 | 31 | 7.3 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.