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 |
|---|---|---|---|---|---|
| FOUR MILE CREEK | Iowa | 1988 | 11 | 8.2 m | |
| PLATTE DRAINAGE DITCH | Iowa | 1964 | 11 | 60.4 m | |
| WEST BRANCH IOWA RIVER | Iowa | 1919 | 11 | 23.5 m | |
| EAGLE CREEK | Iowa | 1979 | 11 | 11.3 m | |
| HONEY CREEK | Iowa | 1958 | 11 | 25.0 m | |
| SMALL | Iowa | 1979 | 11 | 26.8 m | |
| SMALL STREAM | Iowa | 1974 | 11 | 21.0 m | |
| BRANCH OF EAST 102 RIVER | Iowa | 1953 | 11 | 9.8 m | |
| WEST BRANCH 102 | Iowa | 1971 | 11 | 35.4 m | |
| MIDDLE 102 RIVER | Iowa | 1949 | 11 | 27.4 m | |
| CREEK | Iowa | 1953 | 11 | 9.8 m | |
| MIDDLE 102 RIVER | Iowa | 1972 | 11 | 29.3 m | |
| WEST 102 RIVER | Iowa | 1965 | 11 | 25.9 m | |
| WEST 102 RIVER | Iowa | 1955 | 11 | 30.5 m | |
| STREAM | Iowa | 1900 | 11 | 9.8 m | |
| STREAM | Iowa | 1992 | 11 | 24.4 m | |
| SMALL STREAM | Iowa | 1990 | 11 | 11.9 m | |
| BRANCH EAST PLATTE | Iowa | 1978 | 11 | 12.2 m | |
| MIDDLE PLATTE RIVER | Iowa | 1970 | 11 | 28.0 m | |
| PLATTE RIVER | Iowa | 1989 | 11 | 15.9 m | |
| MILL CREEK | Iowa | 1940 | 11 | 6.7 m | |
| SMALL STREAM | Iowa | 1964 | 11 | 25.6 m | |
| SMALL STREAM | Iowa | 1980 | 11 | 7.0 m | |
| CREEK | Iowa | 1959 | 11 | 15.5 m | |
| CREEK | Iowa | 1967 | 11 | 8.8 m | |
| COATES CR | Iowa | 1959 | 11 | 15.5 m | |
| CREEK | Iowa | 1964 | 11 | 18.0 m | |
| CREEK | Iowa | 1968 | 11 | 15.9 m | |
| SMALL TRIBUTARY | Iowa | 1977 | 11 | 9.4 m | |
| BR OF CARRUTHERS CREEK | Iowa | 1900 | 11 | 7.0 m | |
| CREEK | Iowa | 1968 | 11 | 10.4 m | |
| LITTLE SOAP CREEK | Iowa | 1914 | 11 | 24.4 m | |
| UNNAMED CREEK | Iowa | 1935 | 11 | 7.9 m | |
| SMALL STREAM | Iowa | 1950 | 11 | 6.1 m | |
| BR NORTH WOLF CREEK | Iowa | 1945 | 11 | 12.8 m | |
| PAINTER CREEK | Iowa | 1952 | 11 | 24.4 m | |
| PAINTER CREEK | Iowa | 1945 | 11 | 9.8 m | |
| BR.SOUTH RIVER | Iowa | 1940 | 11 | 26.8 m | |
| BRANCH SOUTH RIVER | Iowa | 1973 | 11 | 22.6 m | |
| SM STREAM | Iowa | 1934 | 11 | 9.1 m | |
| SOUTH FORK LONG CREEK | Iowa | 1914 | 11 | 32.0 m | |
| SMALL STREAM | Iowa | 1917 | 11 | 9.8 m | |
| STREAM | Iowa | 1900 | 11 | 7.0 m | |
| DAVIS CREEK | Iowa | 1980 | 11 | 12.5 m | |
| STREAM | Iowa | 1980 | 11 | 22.9 m | |
| BRANCH NAGEL CREEK | Iowa | 1935 | 11 | 15.9 m | |
| STREAM | Iowa | 1975 | 11 | 10.4 m | |
| DD | Iowa | 1959 | 11 | 7.6 m | |
| PIKE RUN | Iowa | 1976 | 11 | 29.6 m | |
| STREAM | Iowa | 1981 | 11 | 11.3 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.