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 |
|---|---|---|---|---|---|
| CREEK | Iowa | 1955 | 148 | 7.3 m | |
| BLUE CREEK | Iowa | 1989 | 147 | 10.9 m | |
| WAPSIPINICON RIVER | Iowa | 1939 | 147 | 92.4 m | |
| MINERVA CREEK | Iowa | 1916 | 147 | 9.4 m | |
| CREEK | Iowa | 1916 | 145 | 9.8 m | |
| DRAINAGE | Iowa | 1920 | 144 | 9.8 m | |
| BUFFALO CREEK | Iowa | 1971 | 143 | 39.0 m | |
| STREAM | Iowa | 1976 | 143 | 9.8 m | |
| SOUTH WEST CREEK | Iowa | 1960 | 141 | 17.4 m | |
| LONG CREEK | Iowa | 1929 | 140 | 25.0 m | |
| N SKUNK RIVER | Iowa | 1951 | 140 | 98.5 m | |
| BEAR CREEK | Iowa | 1946 | 140 | 46.3 m | |
| NORTH FABIUS CREEK | Iowa | 1970 | 140 | 13.1 m | |
| BUCKLEY CREEK | Iowa | 1956 | 140 | 17.4 m | |
| WAPSIPINICON RIVER | Iowa | 1879 | 140 | 63.4 m | |
| BRANCH SKUNK RIVER | Iowa | 1968 | 139 | 9.4 m | |
| DRAINAGE | Iowa | 1951 | 139 | 13.7 m | |
| STEER CREEK | Iowa | 1942 | 139 | 6.4 m | |
| ALLEN CREEK | Iowa | 1942 | 139 | 31.1 m | |
| SEVEN MILE CREEK | Iowa | 1974 | 139 | 39.0 m | |
| WATERWAY | Iowa | 1985 | 139 | 18.9 m | |
| SMALL STREAM | Iowa | 1938 | 139 | 10.7 m | |
| ELK CREEK | Iowa | 2001 | 137 | 19.5 m | |
| W FORK CEDAR CRK OVRFLW | Iowa | 1960 | 137 | 21.0 m | |
| PAINT CREEK | Iowa | 1957 | 137 | 21.3 m | |
| NORTH BEAR CREEK | Iowa | 1952 | 137 | 43.0 m | |
| WEST FORK CEDAR CREEK | Iowa | 1966 | 137 | 67.4 m | |
| STREAM | Iowa | 1952 | 135 | 9.8 m | |
| SMALL STREAM | Iowa | 1975 | 135 | 7.6 m | |
| PLUM CREEK | Iowa | 1960 | 133 | 17.5 m | |
| MAJOR DRAINAGE | Iowa | 1970 | 133 | 9.1 m | |
| SKUNK RIVER TRIBUTARY | Iowa | 1968 | 132 | 9.4 m | |
| N FORK LONG CR | Iowa | 1953 | 131 | 21.3 m | |
| SEVEN MILE CREEK | Iowa | 1957 | 131 | 21.3 m | |
| BUCKLEY CREEK | Iowa | 1929 | 131 | 13.1 m | |
| GRANT 5 OPEN DITCH EXT | Iowa | 1916 | 131 | 7.9 m | |
| DRAINAGE | Iowa | 1955 | 131 | 7.0 m | |
| BADGER CREEK | Iowa | 1955 | 131 | 9.1 m | |
| CREEK | Iowa | 1918 | 131 | 11.6 m | |
| SILVER CREEK | Iowa | 1960 | 131 | 31.4 m | |
| LITTLE SIOUX RIVER | Iowa | 1960 | 131 | 76.8 m | |
| DRAINAGE | Iowa | 1958 | 131 | 7.6 m | |
| BRANCH BEE CREEK | Iowa | 1985 | 131 | 6.4 m | |
| FLOYD RIVER | Iowa | 1954 | 131 | 53.3 m | |
| NISHNABOTNA RIVER | Iowa | 1951 | 131 | 64.9 m | |
| LITTLE ROCK RIVER | Iowa | 1968 | 131 | 53.6 m | |
| WEST BRANCH | Iowa | 1957 | 131 | 38.4 m | |
| RACCOON RIVER | Iowa | 1950 | 131 | 98.8 m | |
| GRAND RIVER | Iowa | 1957 | 131 | 46.3 m | |
| PAUL CREEK | Iowa | 1957 | 130 | 9.1 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.