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 |
|---|---|---|---|---|---|
| BRANCH BLACKHAWK CREEK | Iowa | 1971 | 26 | 21.3 m | |
| SMALL STREAM | Iowa | 1983 | 26 | 9.8 m | |
| SPRING CREEK | Iowa | 1920 | 26 | 10.1 m | |
| RACCOON RIVER | Iowa | 1930 | 26 | 28.0 m | |
| CAMP CREEK | Iowa | 1914 | 26 | 16.2 m | |
| LIZARD CREEK | Iowa | 1957 | 26 | 21.3 m | |
| SOUTH RACCOON | Iowa | 1957 | 26 | 38.7 m | |
| BRANCH COAL CREEK | Iowa | 1960 | 26 | 12.2 m | |
| STREAM | Iowa | 1940 | 26 | 18.9 m | |
| SMALL CREEK | Iowa | 1920 | 26 | 9.4 m | |
| STREAM | Iowa | 1981 | 26 | 13.7 m | |
| SMALL | Iowa | 1979 | 26 | 12.2 m | |
| SMALL | Iowa | 1980 | 26 | 9.4 m | |
| SMALL CREEK | Iowa | 1934 | 26 | 21.9 m | |
| SMALL STREAM | Iowa | 1984 | 26 | 10.7 m | |
| FLANK CREEK | Iowa | 1963 | 26 | 17.1 m | |
| KEIGLEY CREEK | Iowa | 1949 | 26 | 12.8 m | |
| DRAINAGE DITCH | Iowa | 1923 | 26 | 12.8 m | |
| BOONE RIVER | Iowa | 1924 | 26 | 55.5 m | |
| CREEK | Iowa | 1900 | 26 | 13.4 m | |
| WEST IOWA RIVER | Iowa | 1957 | 26 | 29.0 m | |
| BOONE RIVER | Iowa | 1967 | 26 | 17.7 m | |
| WEST IOWA RIVER | Iowa | 1956 | 26 | 13.7 m | |
| CREEK | Iowa | 1986 | 26 | 14.3 m | |
| HONEY CREEK | Iowa | 1986 | 26 | 18.3 m | |
| TILTON CREEK | Iowa | 1981 | 26 | 10.4 m | |
| CREEK | Iowa | 1947 | 26 | 23.5 m | |
| DRAINAGE | Iowa | 1976 | 26 | 13.7 m | |
| JORDAN CREEK | Iowa | 1967 | 26 | 23.8 m | |
| STREAM | Iowa | 1940 | 26 | 16.8 m | |
| WALNUT CREEK | Iowa | 1953 | 26 | 18.9 m | |
| E BRANCH W. NISH. RIVER | Iowa | 1920 | 26 | 44.5 m | |
| PIGEON CREEK | Iowa | 1955 | 26 | 18.3 m | |
| SMALL STREAM | Iowa | 1927 | 26 | 6.7 m | |
| CREEK | Iowa | 1967 | 26 | 17.4 m | |
| BRANCH SUGAR CREEK | Iowa | 1922 | 26 | 7.9 m | |
| LITTLE WAPSIPINICON RVR | Iowa | 1984 | 26 | 14.3 m | |
| UPPER IOWA RIVER | Iowa | 1880 | 26 | 34.7 m | |
| CREEK | Iowa | 1952 | 26 | 18.3 m | |
| BRANCH N SKUNK RIVER | Iowa | 1940 | 26 | 7.0 m | |
| STREAM | Iowa | 1900 | 26 | 12.2 m | |
| CLEAR CREEK | Iowa | 1941 | 26 | 11.9 m | |
| SMALL STREAM | Iowa | 1976 | 26 | 9.4 m | |
| MINERVA CR | Iowa | 1949 | 26 | 13.1 m | |
| MINERVA CR | Iowa | 1950 | 26 | 12.8 m | |
| BR MINERVA CR | Iowa | 1984 | 26 | 7.9 m | |
| MUD CREEK | Iowa | 1985 | 26 | 11.3 m | |
| HUNTERS BRANCH | Iowa | 1965 | 26 | 24.7 m | |
| INDIAN CREEK | Iowa | 1940 | 26 | 24.7 m | |
| MUD CREEK | Iowa | 1940 | 26 | 30.5 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.