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 |
|---|---|---|---|---|---|
| CREEK | South Dakota | 1983 | 39 | 9.1 m | |
| TRIB TO BEAVER CK | South Dakota | 1958 | 39 | 9.8 m | |
| BOXELDER CK | South Dakota | 1950 | 39 | 12.2 m | |
| N. FORK WHETSTONE RV | South Dakota | 1935 | 38 | 18.3 m | |
| S FORK SNAKE CREEK | South Dakota | 1930 | 38 | 14.9 m | |
| DOLPH CREEK | South Dakota | 1960 | 38 | 10.4 m | |
| TURTLE CREEK | South Dakota | 1912 | 38 | 32.0 m | |
| CREEK | South Dakota | 1940 | 38 | 7.6 m | |
| CK | South Dakota | 1932 | 37 | 10.1 m | |
| OLD LODGE CK | South Dakota | 1958 | 37 | 19.2 m | |
| SAND CK | South Dakota | 1932 | 37 | 9.8 m | |
| BRYANT CREEK | South Dakota | 1928 | 36 | 9.8 m | |
| DOVE CREEK | South Dakota | 1929 | 36 | 9.4 m | |
| S FORK SNAKE CREEK | South Dakota | 1920 | 36 | 21.9 m | |
| S FORK SNAKE CREEK | South Dakota | 1930 | 36 | 23.2 m | |
| WILLOW CK | South Dakota | 1956 | 36 | 63.4 m | |
| NORTH SCALP CK | South Dakota | 2015 | 36 | 6.6 m | |
| BROADLAND CREEK | South Dakota | 1930 | 35 | 13.7 m | |
| CK | South Dakota | 1982 | 35 | 8.2 m | |
| FOOT CREEK | South Dakota | 1932 | 35 | 6.4 m | |
| ELCE CK | South Dakota | 1934 | 35 | 7.3 m | |
| CK | South Dakota | 1970 | 35 | 9.1 m | |
| JAMES RIVER | South Dakota | 1904 | 35 | 64.3 m | |
| BIG SIOUX RIVER | South Dakota | 1976 | 35 | 54.9 m | |
| SAND CK | South Dakota | 1920 | 35 | 18.3 m | |
| INDIAN RIVER | South Dakota | 1960 | 35 | 7.6 m | |
| BRULE CK | South Dakota | 1985 | 35 | 24.5 m | |
| CK | South Dakota | 1925 | 35 | 9.4 m | |
| NORTH FORK YELLOW BANK R | South Dakota | 1930 | 35 | 15.5 m | |
| CK | South Dakota | 1948 | 35 | 16.2 m | |
| CK | South Dakota | 1950 | 35 | 11.0 m | |
| NORTH FORK YELLOW BANK R | South Dakota | 1958 | 35 | 21.3 m | |
| N. FORK WHETSTONE RV | South Dakota | 1965 | 35 | 12.2 m | |
| LITTLE MINNESOTA RIVER | South Dakota | 1974 | 35 | 7.5 m | |
| CK | South Dakota | 1978 | 35 | 10.7 m | |
| CK | South Dakota | 1939 | 35 | 7.5 m | |
| DRY CK | South Dakota | 1935 | 35 | 6.3 m | |
| DRY CK | South Dakota | 1980 | 35 | 13.9 m | |
| CK | South Dakota | 1935 | 35 | 9.3 m | |
| COTTONWOOD CK | South Dakota | 1936 | 35 | 26.2 m | |
| OUTLET FOR LAKE SPILLWAY | South Dakota | 1935 | 35 | 15.2 m | |
| CROW CK | South Dakota | 2002 | 35 | 13.0 m | |
| CK | South Dakota | 1948 | 35 | 9.7 m | |
| CREEK | South Dakota | 1935 | 35 | 7.6 m | |
| CK | South Dakota | 1930 | 35 | 7.6 m | |
| BRULE CK | South Dakota | 1970 | 35 | 21.9 m | |
| SPLIT ROCK CK | South Dakota | 1908 | 35 | 36.3 m | |
| CROW CREEK | South Dakota | 1968 | 35 | 7.0 m | |
| WEST BR BULL CK | South Dakota | 1950 | 35 | 7.3 m | |
| LITTLE MINNESOTA RIVER | South Dakota | 1950 | 35 | 7.3 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.