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 |
|---|---|---|---|---|---|
| PRAIRIE CREEK | Iowa | 1971 | 130 | 25.6 m | |
| BR RAPID CR | Iowa | 1950 | 130 | 13.4 m | |
| BIG CREEK | Iowa | 1929 | 130 | 36.0 m | |
| OTTER CR | Iowa | 1953 | 130 | 61.9 m | |
| BR IOWA RIVER | Iowa | 1935 | 130 | 10.1 m | |
| PAUL CREEK | Iowa | 1957 | 130 | 9.1 m | |
| BEAR CREEK | Iowa | 1979 | 130 | 39.0 m | |
| CREEK | Iowa | 1997 | 130 | 13.7 m | |
| BEAVER CREEK | Iowa | 1949 | 128 | 15.9 m | |
| CREEK | Iowa | 1976 | 128 | 7.6 m | |
| YELLOW RIVER | Iowa | 1954 | 128 | 54.3 m | |
| CREEK | Iowa | 1997 | 128 | 12.8 m | |
| INDIAN CREEK | Iowa | 1937 | 126 | 74.4 m | |
| EAST BOYER RIVER | Iowa | 1967 | 125 | 53.0 m | |
| BOYER RIVER | Iowa | 1900 | 123 | 44.5 m | |
| CREEK | Iowa | 1916 | 123 | 7.6 m | |
| SEVERS CREEK | Iowa | 1951 | 123 | 17.4 m | |
| EAST NISHNABOTNA RIVER | Iowa | 1900 | 123 | 61.3 m | |
| STREAM | Iowa | 1981 | 123 | 16.8 m | |
| CREEK | Iowa | 1972 | 122 | 9.8 m | |
| DRAINAGE | Iowa | 1985 | 121 | 9.8 m | |
| MIDDLE RIVER | Iowa | 1940 | 120 | 29.3 m | |
| MIDDLE RIVER | Iowa | 1940 | 120 | 25.0 m | |
| CARDINAL CREEK | Iowa | 1900 | 120 | 7.3 m | |
| DUCK CREEK | Iowa | 1900 | 120 | 15.5 m | |
| DUCK CREEK | Iowa | 1960 | 120 | 38.7 m | |
| SPRING CREEK | Iowa | 1965 | 120 | 17.4 m | |
| PITMAN CREEK | Iowa | 1975 | 120 | 8.5 m | |
| BEAR CREEK | Iowa | 1959 | 120 | 38.7 m | |
| STREAM | Iowa | 1925 | 120 | 7.9 m | |
| COOPER CREEK | Iowa | 1948 | 120 | 37.8 m | |
| IOWAY CREEK | Iowa | 1900 | 120 | 36.9 m | |
| SS #98 | Iowa | 1973 | 120 | 8.2 m | |
| BEAR CREEK | Iowa | 1955 | 120 | 10.1 m | |
| E FORK GRAND RIVER | Iowa | 1957 | 120 | 62.2 m | |
| MARTINS CR | Iowa | 1972 | 120 | 9.4 m | |
| MOSQUITO CREEK | Iowa | 1920 | 120 | 73.5 m | |
| W FORK GRAND | Iowa | 1967 | 120 | 38.7 m | |
| SKUNK RIVER | Iowa | 1957 | 120 | 199.0 m | |
| BRANCH LITTLE SIOUX RVR | Iowa | 1967 | 120 | 39.0 m | |
| WEST BRANCH FLOYD RIVER | Iowa | 1911 | 120 | 22.3 m | |
| WEST TARKIO RIVER | Iowa | 1952 | 120 | 39.0 m | |
| PLUM CREEK | Iowa | 1954 | 120 | 13.4 m | |
| CREEK | Iowa | 1977 | 120 | 31.7 m | |
| STREAM | Iowa | 1970 | 120 | 23.8 m | |
| RACOON RIVER | Iowa | 1920 | 120 | 52.1 m | |
| PAINT CREEK | Iowa | 1900 | 120 | 47.5 m | |
| LICK CREEK | Iowa | 1951 | 120 | 21.9 m | |
| PLUM CREEK | Iowa | 1954 | 120 | 39.0 m | |
| BR BIG CEDAR CK DD #29 | Iowa | 1966 | 120 | 13.7 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.