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 |
|---|---|---|---|---|---|
| STEELE CREEK | Iowa | 1952 | 40 | 74.1 m | |
| CREEK | Iowa | 1970 | 40 | 7.9 m | |
| UNNAMED CREEK | Iowa | 1966 | 40 | 7.6 m | |
| ELK CREEK | Iowa | 1900 | 40 | 55.8 m | |
| JONATHON CREEK | Iowa | 1961 | 40 | 46.3 m | |
| DRAINAGE | Iowa | 1930 | 40 | 7.0 m | |
| SM STREAM | Iowa | 1974 | 40 | 16.2 m | |
| COLD SPRING BRANCH | Iowa | 1959 | 40 | 9.8 m | |
| LIZARD CK DD #53 | Iowa | 1975 | 40 | 9.8 m | |
| EAST RIVER | Iowa | 1950 | 40 | 30.5 m | |
| MILL CREEK | Iowa | 1973 | 40 | 27.7 m | |
| STREAM | Iowa | 1951 | 40 | 7.3 m | |
| BADGER CREEK | Iowa | 1890 | 40 | 28.3 m | |
| BRANCH OF BEAVER CREEK | Iowa | 1953 | 40 | 15.2 m | |
| DRAINAGE | Iowa | 1960 | 40 | 15.9 m | |
| SO ENGLISH RIVER | Iowa | 1980 | 40 | 9.4 m | |
| SOUTH ENGLISH RIVER | Iowa | 1974 | 40 | 12.5 m | |
| BR MINERVA CREEK | Iowa | 1941 | 40 | 11.9 m | |
| SMALL CREEK | Iowa | 1949 | 40 | 7.6 m | |
| MIDDLE RIVER | Iowa | 1981 | 40 | 9.4 m | |
| SOUTH FORK MIDDLE RIVER | Iowa | 1971 | 40 | 9.8 m | |
| TRIB TO MASON CREEK | Iowa | 1977 | 40 | 9.8 m | |
| NISHNA RIVER | Iowa | 1940 | 40 | 76.8 m | |
| SEELY CREEK | Iowa | 1957 | 40 | 16.5 m | |
| TROUBLESOME CREEK | Iowa | 1948 | 40 | 7.6 m | |
| TRIB TO HOLCOMB CREEK | Iowa | 1976 | 40 | 9.8 m | |
| BOONE RIVER | Iowa | 1907 | 40 | 63.1 m | |
| CREEK | Iowa | 1930 | 40 | 6.1 m | |
| DRAINAGE DITCH #2 | Iowa | 1951 | 40 | 9.8 m | |
| WALNUT CREEK | Iowa | 1951 | 40 | 46.6 m | |
| PIGEON CREEK | Iowa | 1920 | 40 | 40.5 m | |
| WILLOW CREEK | Iowa | 1952 | 40 | 46.9 m | |
| LITTLE SIOUX RIVER | Iowa | 1971 | 40 | 96.6 m | |
| MIDDLE CREEK | Iowa | 1965 | 40 | 38.7 m | |
| MIDDLE CREEK | Iowa | 1963 | 40 | 23.5 m | |
| SOLDIER CREEK | Iowa | 1948 | 40 | 64.9 m | |
| WALNUT CR | Iowa | 1977 | 40 | 21.3 m | |
| LITTLE BEAR CREEK | Iowa | 1978 | 40 | 23.8 m | |
| EAST BR INDIAN CREEK | Iowa | 1936 | 40 | 29.6 m | |
| LYTLE CREEK | Iowa | 1986 | 40 | 6.1 m | |
| CREEK | Iowa | 1940 | 40 | 7.3 m | |
| SMALL STREAM | Iowa | 1986 | 40 | 15.5 m | |
| BR ELLIOTT CREEK | Iowa | 1980 | 40 | 10.4 m | |
| UPPER IOWA RIVER | Iowa | 1913 | 39 | 46.3 m | |
| MIDDLE FORK BEAVER CREEK | Iowa | 1948 | 39 | 38.4 m | |
| NORTH BEAR CREEK | Iowa | 1957 | 39 | 9.4 m | |
| CREEK | Iowa | 1900 | 39 | 8.2 m | |
| CREEK | Iowa | 1988 | 39 | 10.4 m | |
| BEAVER CREEK | Iowa | 1984 | 39 | 15.9 m | |
| SOUTH FORK IOWA RIVER | Iowa | 1939 | 39 | 25.9 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.