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.