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 | 1930 | 48 | 6.3 m | |
| ANDES CREEK | South Dakota | 1930 | 48 | 7.9 m | |
| CK | South Dakota | 1941 | 48 | 15.6 m | |
| MOSQUITO CK | South Dakota | 1941 | 48 | 7.6 m | |
| MOSQUITO CREEK | South Dakota | 1974 | 48 | 11.0 m | |
| MOSQUITO CREEK | South Dakota | 1920 | 48 | 14.1 m | |
| CREEK | South Dakota | 1925 | 48 | 9.1 m | |
| CREEK | South Dakota | 1940 | 48 | 7.3 m | |
| CHOTEAU CREEK | South Dakota | 1940 | 48 | 10.7 m | |
| CHOTEAU CREEK | South Dakota | 1930 | 48 | 10.4 m | |
| CREEK | South Dakota | 1912 | 48 | 9.1 m | |
| NORTH FORK BAD RV | South Dakota | 1950 | 48 | 14.6 m | |
| ASH CK | South Dakota | 1955 | 48 | 19.2 m | |
| REDWATER RV | South Dakota | 1920 | 47 | 13.4 m | |
| BELLE FOURCHE RV | South Dakota | 1995 | 47 | 73.8 m | |
| INDIAN CK | South Dakota | 1950 | 47 | 35.4 m | |
| HILDER BRAND CK | South Dakota | 1985 | 47 | 7.6 m | |
| HORSE CK | South Dakota | 1958 | 47 | 9.8 m | |
| CK | South Dakota | 1960 | 47 | 7.3 m | |
| HORSE CK | South Dakota | 1950 | 47 | 30.8 m | |
| DRY CK | South Dakota | 1970 | 47 | 24.4 m | |
| HORSE CK | South Dakota | 1978 | 47 | 42.7 m | |
| CK | South Dakota | 1950 | 47 | 18.9 m | |
| DRY RUN CK | South Dakota | 1935 | 47 | 15.2 m | |
| HORSE CK | South Dakota | 1937 | 46 | 21.9 m | |
| TRIB TO SPLIT ROCK CK | South Dakota | 1938 | 46 | 6.3 m | |
| WILLOW CK | South Dakota | 1950 | 46 | 32.6 m | |
| TRIB. TO FINNIE CREEK | South Dakota | 1935 | 45 | 14.0 m | |
| SPRING CREEK | South Dakota | 1930 | 45 | 16.3 m | |
| CK | South Dakota | 1987 | 45 | 9.8 m | |
| TRIB. TO MEDICINE CREEK | South Dakota | 1930 | 45 | 12.2 m | |
| COBB CK | South Dakota | 1950 | 45 | 8.6 m | |
| BIG SIOUX RV | South Dakota | 1958 | 45 | 9.1 m | |
| LAKE CAMPBELL INLET | South Dakota | 1978 | 45 | 15.2 m | |
| CHEYENNE RV | South Dakota | 1930 | 45 | 463.3 m | |
| MITCHELL CK | South Dakota | 1955 | 45 | 31.1 m | |
| CK | South Dakota | 1950 | 45 | 9.8 m | |
| EAST UNION CK | South Dakota | 1950 | 45 | 12.3 m | |
| CK | South Dakota | 1940 | 45 | 7.5 m | |
| W. FORK OF VERMILLION RV | South Dakota | 1961 | 45 | 11.6 m | |
| CK | South Dakota | 1983 | 45 | 7.8 m | |
| CK | South Dakota | 1983 | 45 | 8.1 m | |
| BROOKFIELD CREEK | South Dakota | 1920 | 45 | 6.3 m | |
| CK | South Dakota | 1982 | 45 | 8.5 m | |
| TWELVE MILE CK | South Dakota | 1982 | 45 | 12.4 m | |
| SOUTH FORK TWELVE MILE C | South Dakota | 1984 | 45 | 7.8 m | |
| TWELVE MILE CK | South Dakota | 1978 | 45 | 15.2 m | |
| SOUTH FORK TWELVE MILE C | South Dakota | 1983 | 45 | 20.1 m | |
| LONETREE CK | South Dakota | 1984 | 45 | 9.3 m | |
| DRAINAGE DITCH | South Dakota | 1983 | 45 | 12.3 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.