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.