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 |
|---|---|---|---|---|---|
| SMALL STREAM | Iowa | 1947 | 41 | 6.1 m | |
| LIME CR | Iowa | 1986 | 41 | 14.6 m | |
| SMALL STREAM | Iowa | 1965 | 41 | 20.1 m | |
| STREAM | Iowa | 1990 | 41 | 23.2 m | |
| STREAM | Iowa | 1957 | 41 | 9.8 m | |
| DRAINAGE DITCH | Iowa | 1966 | 41 | 7.3 m | |
| STREAM | Iowa | 1962 | 41 | 10.1 m | |
| SMALL | Iowa | 1959 | 41 | 13.4 m | |
| DD | Iowa | 1915 | 41 | 7.3 m | |
| WEST NODAWAY RIVER | Iowa | 1982 | 41 | 30.2 m | |
| JIM BRANCH | Iowa | 1978 | 41 | 12.2 m | |
| DRAINAGE DITCH 182 | Iowa | 1951 | 41 | 12.1 m | |
| WATERWAY | Iowa | 1967 | 41 | 12.5 m | |
| KLONDIKE CREEK | Iowa | 1900 | 41 | 18.9 m | |
| STREAM | Iowa | 1959 | 41 | 9.4 m | |
| SAND CREEK | Iowa | 1967 | 41 | 13.7 m | |
| WATERWAY | Iowa | 1950 | 41 | 6.4 m | |
| SMALL STREAM | Iowa | 1930 | 41 | 13.1 m | |
| CRANE CREEK | Iowa | 1980 | 41 | 56.4 m | |
| SMALL | Iowa | 1978 | 41 | 9.4 m | |
| CREEK | Iowa | 1970 | 41 | 7.9 m | |
| BRANCH NORTH TIMBER CRK | Iowa | 1924 | 41 | 6.4 m | |
| HENRY CREEK | Iowa | 1965 | 41 | 22.9 m | |
| LITTLE SIOUX RIVER | Iowa | 1905 | 41 | 54.9 m | |
| CREEK | Iowa | 1926 | 41 | 11.0 m | |
| SOLDIER RIVER | Iowa | 1951 | 41 | 50.0 m | |
| STREAM | Iowa | 1961 | 41 | 9.1 m | |
| HOLCOMB CREEK | Iowa | 1956 | 41 | 16.5 m | |
| BR OF SOUTH OTTER CREEK | Iowa | 1966 | 41 | 11.3 m | |
| BEAVER CREEK | Iowa | 1976 | 41 | 16.5 m | |
| BRUSH CREEK | Iowa | 1900 | 41 | 7.6 m | |
| BUCK CREEK | Iowa | 1925 | 41 | 19.2 m | |
| MUD CREEK | Iowa | 1946 | 41 | 33.8 m | |
| STREAM | Iowa | 1967 | 41 | 11.3 m | |
| BRUSH CREEK | Iowa | 1910 | 41 | 12.8 m | |
| SMALL STREAM | Iowa | 1900 | 41 | 9.1 m | |
| BR LITTLE WHITEBREAST CK | Iowa | 1994 | 41 | 10.4 m | |
| ALBERTSON CREEK | Iowa | 1900 | 41 | 14.3 m | |
| CREEK | Iowa | 1983 | 41 | 11.3 m | |
| SLATER CREEK | Iowa | 1979 | 41 | 8.5 m | |
| KLONDIKE CREEK | Iowa | 1900 | 41 | 14.3 m | |
| DD | Iowa | 1925 | 41 | 9.8 m | |
| DD | Iowa | 1900 | 41 | 10.4 m | |
| LOCAL STREAM | Iowa | 1968 | 41 | 21.9 m | |
| SUGAR CREEK | Iowa | 1976 | 41 | 25.0 m | |
| CROOKED CREEK | Iowa | 1965 | 40 | 9.1 m | |
| PIGEON CREEK | Iowa | 1920 | 40 | 40.5 m | |
| UNNAMED CREEK | Iowa | 1966 | 40 | 7.6 m | |
| LITTLE SIOUX RIVER | Iowa | 1971 | 40 | 96.6 m | |
| WOLF CREEK | Iowa | 1956 | 40 | 40.2 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.