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 |
|---|---|---|---|---|---|
| VERMILLION RV | South Dakota | 1930 | 15 | 30.7 m | |
| CK | South Dakota | 1925 | 15 | 8.4 m | |
| BAPTIST CK | South Dakota | 1935 | 15 | 14.3 m | |
| ENEMY CK | South Dakota | 1935 | 15 | 10.7 m | |
| CREEK | South Dakota | 1930 | 15 | 7.0 m | |
| ANTELOPE CREEK | South Dakota | 1928 | 15 | 9.1 m | |
| COBB CK | South Dakota | 1960 | 15 | 10.9 m | |
| CK | South Dakota | 1926 | 15 | 10.7 m | |
| CK | South Dakota | 1930 | 15 | 8.2 m | |
| SHAEFER CK | South Dakota | 1935 | 15 | 7.9 m | |
| LITTLE TURTLE CK | South Dakota | 1928 | 15 | 6.7 m | |
| TURTLE CK | South Dakota | 1968 | 15 | 15.2 m | |
| CK | South Dakota | 1935 | 15 | 7.0 m | |
| CK | South Dakota | 1981 | 15 | 9.5 m | |
| CK | South Dakota | 1935 | 15 | 6.7 m | |
| EAGLE NEST CK | South Dakota | 1945 | 15 | 6.4 m | |
| COTTONWOOD CK | South Dakota | 1950 | 15 | 30.5 m | |
| SOUTH FORK PEARL CK | South Dakota | 1930 | 15 | 7.1 m | |
| REDSTONE CK | South Dakota | 1935 | 15 | 7.4 m | |
| REDSTONE CK | South Dakota | 1950 | 15 | 7.3 m | |
| BATTLE CK | South Dakota | 1930 | 15 | 9.8 m | |
| WATERHOLE CREEK | South Dakota | 1950 | 15 | 27.1 m | |
| SPRING CK | South Dakota | 1955 | 15 | 30.6 m | |
| ELK CK | South Dakota | 1965 | 15 | 29.0 m | |
| EAST ELM CK | South Dakota | 1966 | 15 | 14.2 m | |
| EAST KILDEER CK. | South Dakota | 1930 | 15 | 9.4 m | |
| TRIB. TO BACHELOR CREEK | South Dakota | 1950 | 15 | 10.0 m | |
| FLANDREAU CREEK | South Dakota | 1982 | 15 | 17.5 m | |
| TRIB TO RAPID CK | South Dakota | 1930 | 15 | 9.1 m | |
| WHITEWATER CK | South Dakota | 1940 | 14 | 8.8 m | |
| CREEK | South Dakota | 1930 | 14 | 7.3 m | |
| SOUTH MEDICINE CK | South Dakota | 1961 | 13 | 23.2 m | |
| WEST BR SKUNK CK | South Dakota | 1930 | 13 | 19.1 m | |
| CREEK | South Dakota | 1966 | 13 | 11.0 m | |
| HAY CK | South Dakota | 1930 | 12 | 8.1 m | |
| CREEK | South Dakota | 1930 | 12 | 9.8 m | |
| CREEK | South Dakota | 1932 | 11 | 12.5 m | |
| SOUTH FORK BAD RIVER | South Dakota | 1935 | 11 | 36.6 m | |
| FORDHAM CREEK | South Dakota | 1935 | 11 | 16.5 m | |
| BELLE FOURCHE RV | South Dakota | 1974 | 10 | 6.2 m | |
| REE CK | South Dakota | 1914 | 10 | 12.8 m | |
| TURTLE CK | South Dakota | 1930 | 10 | 7.9 m | |
| CK | South Dakota | 1935 | 10 | 11.6 m | |
| WOLF CK | South Dakota | 1930 | 10 | 11.0 m | |
| WOLF CK | South Dakota | 1910 | 10 | 16.5 m | |
| COTTONWOOD CK | South Dakota | 1940 | 10 | 18.3 m | |
| COTTONWOOD CK | South Dakota | 1935 | 10 | 27.7 m | |
| SOUTH FORK BAD RV | South Dakota | 1940 | 10 | 22.9 m | |
| ROCK CK | South Dakota | 1987 | 10 | 7.3 m | |
| CK | South Dakota | 1950 | 10 | 7.9 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.