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 |
|---|---|---|---|---|---|
| DOG EAR CK | South Dakota | 1963 | 31 | 11.6 m | |
| SOUTH MEDICINE CK | South Dakota | 1934 | 31 | 9.8 m | |
| TIMBER CREEK | South Dakota | 1935 | 31 | 9.1 m | |
| BR FOSTER CREEK | South Dakota | 1935 | 31 | 9.4 m | |
| OLD LODGE CK | South Dakota | 1960 | 31 | 12.2 m | |
| ROCK BRIDGE CREEK | South Dakota | 1958 | 31 | 12.2 m | |
| THUNDER CK | South Dakota | 1962 | 31 | 12.2 m | |
| CREEK | South Dakota | 1935 | 31 | 9.1 m | |
| CREEK | South Dakota | 1930 | 31 | 15.2 m | |
| CREEK | South Dakota | 1945 | 31 | 7.6 m | |
| CREEK | South Dakota | 1945 | 31 | 7.6 m | |
| HUMP CREEK | South Dakota | 1930 | 30 | 12.8 m | |
| DIRT LODGE CREEK | South Dakota | 1932 | 30 | 10.4 m | |
| CK | South Dakota | 1955 | 30 | 15.5 m | |
| ANDES CK | South Dakota | 1972 | 30 | 7.6 m | |
| CK | South Dakota | 2001 | 30 | 18.8 m | |
| CK | South Dakota | 1941 | 30 | 6.4 m | |
| CK | South Dakota | 1930 | 30 | 6.7 m | |
| CREEK | South Dakota | 1955 | 30 | 12.5 m | |
| ROCK CK | South Dakota | 1963 | 30 | 10.1 m | |
| FRANKLIN CK | South Dakota | 1940 | 30 | 12.2 m | |
| CROW CREEK | South Dakota | 1935 | 30 | 10.8 m | |
| ELK CK | South Dakota | 1980 | 30 | 12.2 m | |
| SULPHUR CK | South Dakota | 1925 | 30 | 15.6 m | |
| REDSTONE CK | South Dakota | 1955 | 30 | 7.6 m | |
| ROCK CK | South Dakota | 1920 | 30 | 11.3 m | |
| TURKEY RIDGE CK | South Dakota | 1913 | 30 | 18.4 m | |
| EAST FORK VERMILLION RV | South Dakota | 1910 | 30 | 27.9 m | |
| LITTLE MINNESOTA RIVER | South Dakota | 1950 | 30 | 7.3 m | |
| CREEK | South Dakota | 1929 | 30 | 10.7 m | |
| CREEK | South Dakota | 1966 | 30 | 9.8 m | |
| ELCE CK | South Dakota | 1945 | 30 | 8.2 m | |
| N. FORK WHETSTONE RV | South Dakota | 1960 | 30 | 10.4 m | |
| JIM CREEK | South Dakota | 1929 | 30 | 9.6 m | |
| BIG SLOUGH CREEK | South Dakota | 1960 | 30 | 7.5 m | |
| CK | South Dakota | 1973 | 30 | 7.7 m | |
| SAND CK | South Dakota | 1965 | 29 | 9.8 m | |
| CREEK | South Dakota | 1967 | 29 | 11.0 m | |
| CREEK | South Dakota | 1940 | 29 | 7.5 m | |
| TRIB TO W PIPESTONE CK | South Dakota | 1937 | 28 | 9.3 m | |
| TRIB TO SPLIT ROCK CK | South Dakota | 1937 | 28 | 11.4 m | |
| N. FORK WHETSTONE RV | South Dakota | 1940 | 28 | 9.2 m | |
| CK | South Dakota | 1932 | 27 | 6.9 m | |
| CK | South Dakota | 1930 | 27 | 6.8 m | |
| BIG BUFFALO CK | South Dakota | 1940 | 27 | 14.6 m | |
| BLACK PIPE CK | South Dakota | 1930 | 27 | 29.3 m | |
| REDSTONE CK | South Dakota | 1940 | 27 | 7.9 m | |
| SOUTH FORK YELLOW BANK R | South Dakota | 1940 | 26 | 11.9 m | |
| LONETREE CK | South Dakota | 1964 | 26 | 9.4 m | |
| LODGE POLE CK | South Dakota | 1980 | 26 | 13.7 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.