Poor Condition Bridges in South Dakota
945 bridges rated Poor condition in South Dakota. 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 945 such bridges in South Dakota.
| Bridge | State | Condition | Year Built | ADT | Length |
|---|---|---|---|---|---|
| CK | South Dakota | 1926 | 10 | 7.0 m | |
| REE CK | South Dakota | 1914 | 10 | 12.8 m | |
| TURTLE CK | South Dakota | 1930 | 10 | 7.9 m | |
| CK | South Dakota | 1930 | 10 | 7.9 m | |
| WOLF CK | South Dakota | 1915 | 10 | 12.5 m | |
| WOLF CK | South Dakota | 1915 | 10 | 12.5 m | |
| CK | South Dakota | 1935 | 10 | 11.6 m | |
| WOLF CK | South Dakota | 1930 | 10 | 11.0 m | |
| WOLF CK | South Dakota | 1910 | 10 | 16.5 m | |
| COTTONWOOD CK | South Dakota | 1940 | 10 | 18.3 m | |
| COTTONWOOD CK | South Dakota | 1935 | 10 | 27.7 m | |
| SOUTH FORK BAD RV | South Dakota | 1940 | 10 | 22.9 m | |
| ROCK CK | South Dakota | 1987 | 10 | 7.3 m | |
| CREEK | South Dakota | 1966 | 10 | 9.4 m | |
| CREEK | South Dakota | 1955 | 10 | 10.1 m | |
| CK | South Dakota | 1945 | 10 | 18.3 m | |
| CREEK | South Dakota | 1940 | 10 | 16.2 m | |
| CK | South Dakota | 1950 | 10 | 23.5 m | |
| CK | South Dakota | 1964 | 10 | 34.1 m | |
| CK | South Dakota | 1935 | 10 | 17.4 m | |
| ELK CK | South Dakota | 1955 | 10 | 18.6 m | |
| PINE CK | South Dakota | 1966 | 10 | 14.5 m | |
| PINE CK | South Dakota | 1992 | 10 | 12.2 m | |
| TRIB. TO JACK MOORE CRK | South Dakota | 1950 | 10 | 9.2 m | |
| CREEK | South Dakota | 1938 | 10 | 7.3 m | |
| MEDICINE KNOLL CK | South Dakota | 1913 | 10 | 15.5 m | |
| CK | South Dakota | 1950 | 10 | 7.9 m | |
| DRAINAGE DITCH | South Dakota | 1930 | 10 | 7.5 m | |
| MARNE CREEK | South Dakota | 1930 | 10 | 6.7 m | |
| BEAR CK | South Dakota | 1935 | 10 | 12.2 m | |
| RAPID CREEK | South Dakota | 1945 | 10 | 10.0 m | |
| COTTONWOOD CK | South Dakota | 1982 | 9 | 15.5 m | |
| TIMBER CREEK | South Dakota | 1940 | 9 | 9.4 m | |
| TIMBER CREEK | South Dakota | 1935 | 9 | 9.8 m | |
| BAD RIVER | South Dakota | 1918 | 6 | 60.4 m | |
| CK | South Dakota | 1950 | 5 | 9.9 m | |
| STRAY HORSE CK | South Dakota | 1910 | 5 | 25.2 m | |
| W. FORK OF VERMILLION RV | South Dakota | 1917 | 5 | 9.8 m | |
| ROCK CK | South Dakota | 1910 | 5 | 15.5 m | |
| ROCK CK | South Dakota | 1910 | 5 | 8.2 m | |
| CREEK | South Dakota | 1968 | 5 | 12.0 m | |
| TURKEY RIDGE CK | South Dakota | 1910 | 5 | 14.7 m | |
| TRIB. TO TURKEY CREEK | South Dakota | 1940 | 5 | 7.9 m | |
| DRAINAGE DITCH | South Dakota | 1930 | 4 | 16.1 m | |
| BIG SIOUX RIVER | South Dakota | 1935 | - | 73.8 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.