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 |
|---|---|---|---|---|---|
| LONETREE CK | South Dakota | 1985 | 69 | 19.1 m | |
| CK | South Dakota | 1978 | 69 | 15.5 m | |
| CREEK | South Dakota | 1920 | 69 | 7.0 m | |
| SOUTH BR LONETREE CK | South Dakota | 1960 | 69 | 8.4 m | |
| LITTLE MINNESOTA RIVER | South Dakota | 1939 | 68 | 16.0 m | |
| BEAVER CREEK | South Dakota | 1940 | 68 | 7.5 m | |
| CREEK | South Dakota | 1969 | 68 | 15.2 m | |
| BEAVER CREEK | South Dakota | 1935 | 67 | 9.5 m | |
| PLATTE CK | South Dakota | 1967 | 66 | 11.0 m | |
| TURKEY RIDGE CK | South Dakota | 1958 | 66 | 22.6 m | |
| LAKE POINSETT OUTLET | South Dakota | 1960 | 66 | 17.4 m | |
| TRIB. TO E FORK VERM RV | South Dakota | 1930 | 66 | 11.0 m | |
| BEAVER CREEK | South Dakota | 1935 | 65 | 18.7 m | |
| FIRESTEEL CK | South Dakota | 1930 | 65 | 9.8 m | |
| SOUTH CHAPELLE CK | South Dakota | 1920 | 65 | 7.9 m | |
| LONG CK | South Dakota | 1945 | 65 | 9.1 m | |
| CK | South Dakota | 1950 | 65 | 16.9 m | |
| CK | South Dakota | 1950 | 65 | 9.5 m | |
| CK | South Dakota | 1962 | 65 | 6.7 m | |
| VERMILLION RV | South Dakota | 1940 | 65 | 39.0 m | |
| WEST FORK ELM CK | South Dakota | 1928 | 65 | 7.9 m | |
| MEDICINE CK | South Dakota | 1956 | 64 | 16.2 m | |
| BIG SIOUX RV | South Dakota | 1962 | 64 | 46.6 m | |
| CK | South Dakota | 1962 | 64 | 33.1 m | |
| ENEMY CK | South Dakota | 1967 | 64 | 11.3 m | |
| ENEMY CK | South Dakota | 1920 | 64 | 8.2 m | |
| ENEMY CK | South Dakota | 1915 | 64 | 11.3 m | |
| ENEMY CK | South Dakota | 1935 | 64 | 12.8 m | |
| DRY RUN CK | South Dakota | 1945 | 64 | 7.9 m | |
| ENEMY CK | South Dakota | 1970 | 64 | 13.7 m | |
| NORTH BR TWELVE MILE CK | South Dakota | 1930 | 64 | 7.9 m | |
| NORTH BR TWELVE MILE CK | South Dakota | 1930 | 64 | 10.7 m | |
| NORTH BR TWELVE MILE CK | South Dakota | 1945 | 64 | 10.7 m | |
| BIG SIOUX RV | South Dakota | 1900 | 63 | 43.1 m | |
| CK | South Dakota | 1974 | 63 | 15.5 m | |
| ANTELOPE CK | South Dakota | 1954 | 63 | 22.6 m | |
| WEST FIRESTEEL CK | South Dakota | 1936 | 62 | 44.5 m | |
| RAPID CK | South Dakota | 1972 | 62 | 12.2 m | |
| TRIB TO BEAVER CK | South Dakota | 1935 | 62 | 7.1 m | |
| CK | South Dakota | 1925 | 61 | 7.3 m | |
| CK | South Dakota | 1940 | 61 | 7.9 m | |
| SHUE CREEK | South Dakota | 1936 | 60 | 10.4 m | |
| TURKEY RIDGE CK | South Dakota | 1945 | 60 | 18.1 m | |
| PRAIRIE CREEK | South Dakota | 1905 | 60 | 10.4 m | |
| PRAIRIE CREEK | South Dakota | 1925 | 60 | 9.1 m | |
| BEAVER CREEK | South Dakota | 1930 | 60 | 9.4 m | |
| BEAVER CREEK | South Dakota | 1955 | 60 | 28.0 m | |
| BULL CK | South Dakota | 1975 | 60 | 12.5 m | |
| E FORK VERMILLION RV | South Dakota | 2000 | 60 | 10.7 m | |
| CK | South Dakota | 1931 | 60 | 9.4 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.