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 |
|---|---|---|---|---|---|
| HUNTERS BRANCH | Iowa | 1962 | 51 | 9.8 m | |
| SMALL STREAM | Iowa | 1917 | 51 | 6.7 m | |
| NORTH WOLF CREEK | Iowa | 1970 | 51 | 9.1 m | |
| BEAVER CREEK | Iowa | 1987 | 51 | 15.9 m | |
| INDIAN CREEK | Iowa | 1950 | 51 | 39.0 m | |
| LOCAL CREEK | Iowa | 1972 | 51 | 7.3 m | |
| SOUTH FORK IOWA RIVER | Iowa | 1982 | 51 | 21.0 m | |
| SMALL STREAM | Iowa | 1969 | 51 | 7.6 m | |
| SNIPE CREEK | Iowa | 1915 | 51 | 11.0 m | |
| WEST NODAWAY RIVER | Iowa | 1978 | 51 | 19.5 m | |
| CREEK | Iowa | 1983 | 51 | 12.2 m | |
| SMALL | Iowa | 1979 | 51 | 7.3 m | |
| SMALL CREEK | Iowa | 1967 | 51 | 10.1 m | |
| CREEK | Iowa | 1969 | 51 | 15.9 m | |
| SMALL STREAM | Iowa | 1967 | 51 | 8.8 m | |
| HORTON CREEK | Iowa | 1981 | 51 | 7.6 m | |
| SMALL | Iowa | 1979 | 51 | 12.5 m | |
| CREEK | Iowa | 1971 | 51 | 7.6 m | |
| STREAM | Iowa | 1900 | 51 | 9.4 m | |
| EAST WAPSIPINICON RIVER | Iowa | 1963 | 51 | 31.4 m | |
| STREAM | Iowa | 1962 | 51 | 7.3 m | |
| LONG DICK CREEK | Iowa | 1964 | 51 | 18.9 m | |
| LYNN CREEK | Iowa | 1992 | 51 | 15.9 m | |
| HEWETT CREEK | Iowa | 1920 | 51 | 12.8 m | |
| LUICKS CREEK | Iowa | 1979 | 51 | 9.1 m | |
| TIPTON CREEK | Iowa | 1983 | 51 | 27.1 m | |
| BRANCH WEST CREEK | Iowa | 1960 | 51 | 9.8 m | |
| SMALL STREAM | Iowa | 1970 | 51 | 13.1 m | |
| PRAIRIE CREEK | Iowa | 1921 | 51 | 6.7 m | |
| SMALL STREAM | Iowa | 1952 | 51 | 7.6 m | |
| MILL CREEK | Iowa | 1961 | 51 | 23.8 m | |
| PLUM CREEK | Iowa | 1959 | 51 | 63.1 m | |
| CREEK | Iowa | 1965 | 51 | 13.7 m | |
| STREAM | Iowa | 1953 | 50 | 9.8 m | |
| CHARITON RIVER | Iowa | 1959 | 50 | 77.4 m | |
| STREAM | Iowa | 1958 | 50 | 24.1 m | |
| TURKEY RUN | Iowa | 1948 | 50 | 12.8 m | |
| DEER CREEK | Iowa | 1953 | 50 | 38.7 m | |
| BUFFALO CR | Iowa | 1900 | 50 | 33.5 m | |
| MUCHAKINOCH CREEK | Iowa | 1951 | 50 | 37.5 m | |
| MAQUOKETA RIVER | Iowa | 1927 | 50 | 139.0 m | |
| BLUFF CREEK | Iowa | 1948 | 50 | 37.5 m | |
| ROCK RUN CR | Iowa | 1920 | 50 | 19.5 m | |
| ROCK RUN CREEK | Iowa | 1974 | 50 | 11.9 m | |
| ROCK CR | Iowa | 1946 | 50 | 55.8 m | |
| BR GOWER CR | Iowa | 1924 | 50 | 7.9 m | |
| STREAM | Iowa | 1986 | 50 | 11.9 m | |
| BR MILL CR | Iowa | 1925 | 50 | 8.2 m | |
| LITTLE BLUFF CK | Iowa | 1955 | 50 | 13.4 m | |
| STREAM | Iowa | 1950 | 50 | 20.1 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.