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.