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 |
|---|---|---|---|---|---|
| BLACKHAWK CREEK BRANCH | Iowa | 1956 | 177 | 6.4 m | |
| TRIB TO BLACK HAWK CREEK | Iowa | 1900 | 177 | 7.6 m | |
| CREEK | Iowa | 1970 | 177 | 17.7 m | |
| BLACKHAWK CREEK BRANCH | Iowa | 1956 | 177 | 7.6 m | |
| CAVITT CREEK | Iowa | 1967 | 176 | 13.1 m | |
| WAPSINONOC CREEK | Iowa | 1936 | 176 | 46.9 m | |
| NISHNABOTNA TRIB | Iowa | 1957 | 173 | 31.4 m | |
| CAMP CREEK | Iowa | 1976 | 170 | 39.0 m | |
| WEST IOWA RIVER | Iowa | 1961 | 170 | 23.5 m | |
| UNION SLOUGH DITCH | Iowa | 1951 | 170 | 37.5 m | |
| LITTLE RIVER | Iowa | 1959 | 170 | 76.8 m | |
| BADGER CREEK | Iowa | 1917 | 170 | 10.7 m | |
| STREAM | Iowa | 1953 | 170 | 9.8 m | |
| NO BUSINESS CREEK | Iowa | 1900 | 170 | 16.8 m | |
| NO NAME CREEK | Iowa | 1969 | 170 | 9.8 m | |
| ROCK CREEK | Iowa | 1945 | 170 | 46.9 m | |
| DRAINAGE | Iowa | 1950 | 167 | 6.7 m | |
| LITTLE CEDAR | Iowa | 1967 | 167 | 78.6 m | |
| MUD CREEK TRIBUTARY | Iowa | 1962 | 162 | 7.6 m | |
| N CHEQUEST LAKE CR | Iowa | 1958 | 161 | 39.3 m | |
| BIG BEAR CREEK | Iowa | 1951 | 161 | 46.3 m | |
| SMALL | Iowa | 1950 | 160 | 10.4 m | |
| N. FORK LONG CREEK | Iowa | 1925 | 160 | 12.8 m | |
| WALNUT CREEK | Iowa | 1955 | 160 | 46.6 m | |
| STREAM | Iowa | 1930 | 160 | 12.2 m | |
| JORDAN CREEK | Iowa | 1958 | 159 | 44.2 m | |
| OUTLET GREEN VALLEY LK | Iowa | 1951 | 159 | 11.6 m | |
| TARKIO CREEK | Iowa | 1949 | 159 | 43.9 m | |
| LITTLE SIOUX RIVER | Iowa | 1925 | 159 | 56.4 m | |
| MOSQUITO CREEK | Iowa | 1978 | 159 | 38.1 m | |
| SOLDIER CREEK | Iowa | 1949 | 159 | 55.8 m | |
| BUFFALO CREEK | Iowa | 1965 | 159 | 26.5 m | |
| BROKEN KETTLE CREEK | Iowa | 1960 | 159 | 45.7 m | |
| WATERWAY | Iowa | 1955 | 159 | 9.8 m | |
| VILLAGE CREEK | Iowa | 1966 | 157 | 14.0 m | |
| CRANE CREEK | Iowa | 1959 | 157 | 68.9 m | |
| LINN CR | Iowa | 1916 | 157 | 12.8 m | |
| WALNUT CREEK TRIB | Iowa | 1965 | 153 | 7.3 m | |
| NORTH RACCOON RIVER | Iowa | 1882 | 153 | 118.9 m | |
| INDIAN CREEK | Iowa | 1951 | 150 | 97.5 m | |
| MAPLE RIVER | Iowa | 1960 | 150 | 93.0 m | |
| SMALL STREAM | Iowa | 1926 | 150 | 6.7 m | |
| LITTLE SIOUX RIVER | Iowa | 1961 | 150 | 76.8 m | |
| BR CEDAR RIVER | Iowa | 1975 | 150 | 7.6 m | |
| OVER IAIS RR | Iowa | 1940 | 150 | 41.1 m | |
| DEER CREEK | Iowa | 1947 | 150 | 9.8 m | |
| CEDAR CREEK | Iowa | 1971 | 150 | 23.5 m | |
| LAMALEES CREEK | Iowa | 1957 | 150 | 7.6 m | |
| UNAMED CREEK | Iowa | 1973 | 148 | 19.2 m | |
| CREEK | Iowa | 1955 | 148 | 7.3 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.