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.