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 |
|---|---|---|---|---|---|
| SNAKE CREEK | South Dakota | 1935 | 45 | 10.4 m | |
| SADDLE CREEK | South Dakota | 1935 | 45 | 9.8 m | |
| NINE MILE CREEK | South Dakota | 1971 | 45 | 11.0 m | |
| TRIB. TO FINNIE CREEK | South Dakota | 1935 | 45 | 14.0 m | |
| TRIB. TO MEDICINE CREEK | South Dakota | 1930 | 45 | 12.2 m | |
| CK | South Dakota | 1982 | 45 | 15.4 m | |
| W. FORK OF VERMILLION RV | South Dakota | 1961 | 45 | 11.6 m | |
| LITTLE WHITE RIVER | South Dakota | 1964 | 44 | 30.2 m | |
| MUD CREEK | South Dakota | 1935 | 44 | 11.0 m | |
| CK | South Dakota | 1970 | 43 | 7.8 m | |
| CK | South Dakota | 1930 | 43 | 7.0 m | |
| CK | South Dakota | 1910 | 43 | 7.9 m | |
| CK | South Dakota | 1920 | 43 | 8.2 m | |
| LOST CK | South Dakota | 1930 | 43 | 10.1 m | |
| CK | South Dakota | 1930 | 43 | 7.0 m | |
| WOLF CK | South Dakota | 1913 | 43 | 12.5 m | |
| REE CK | South Dakota | 1910 | 43 | 7.3 m | |
| WOLF CK | South Dakota | 1915 | 43 | 13.1 m | |
| REE CK | South Dakota | 1920 | 43 | 11.0 m | |
| PEARL CK | South Dakota | 1932 | 43 | 7.9 m | |
| CK | South Dakota | 1966 | 43 | 9.4 m | |
| MEDICINE CK | South Dakota | 1915 | 43 | 9.8 m | |
| CROW CK | South Dakota | 1925 | 42 | 12.5 m | |
| CK | South Dakota | 1960 | 42 | 14.3 m | |
| CK | South Dakota | 1930 | 42 | 9.8 m | |
| FALL RV | South Dakota | 1932 | 41 | 42.1 m | |
| CHEYENNE RV | South Dakota | 1930 | 41 | 203.0 m | |
| TRIB. TO E BRULE CREEK | South Dakota | 1940 | 41 | 8.6 m | |
| EAST BRULE CREEK | South Dakota | 1959 | 41 | 9.8 m | |
| BRULE CK | South Dakota | 1989 | 40 | 18.4 m | |
| LAKE CK | South Dakota | 1950 | 40 | 9.6 m | |
| OLD LODGE CK | South Dakota | 1955 | 40 | 23.5 m | |
| CHOTEAU CREEK | South Dakota | 1974 | 40 | 18.9 m | |
| VERMILLION RV | South Dakota | 1910 | 40 | 36.0 m | |
| BIG SIOUX RV | South Dakota | 1985 | 40 | 27.5 m | |
| BIG SIOUX RV | South Dakota | 1973 | 40 | 15.2 m | |
| CK | South Dakota | 1935 | 40 | 9.4 m | |
| WEST BRULE CK | South Dakota | 1982 | 40 | 14.8 m | |
| BRULE CK | South Dakota | 1987 | 40 | 18.6 m | |
| CK | South Dakota | 1935 | 40 | 11.3 m | |
| CK | South Dakota | 1930 | 40 | 10.7 m | |
| HIDEWOOD CREEK | South Dakota | 1965 | 40 | 21.9 m | |
| LEWIS DITCH | South Dakota | 1940 | 40 | 18.9 m | |
| WEST FORK VERMILLION RV | South Dakota | 1940 | 40 | 10.7 m | |
| LEWIS DITCH | South Dakota | 1968 | 40 | 19.1 m | |
| CK | South Dakota | 1984 | 40 | 7.6 m | |
| WEST UNION CK | South Dakota | 1986 | 40 | 24.2 m | |
| CK | South Dakota | 1935 | 40 | 7.6 m | |
| EAST UNION CK | South Dakota | 1948 | 40 | 13.0 m | |
| TRIB TO BEAVER CK | South Dakota | 1958 | 39 | 9.8 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.