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 |
|---|---|---|---|---|---|
| SIX MILE CK | South Dakota | 1940 | 92 | 27.6 m | |
| DEER CK | South Dakota | 1930 | 92 | 9.4 m | |
| MEDARY CK | South Dakota | 1968 | 92 | 17.5 m | |
| CK | South Dakota | 1930 | 92 | 9.2 m | |
| CK | South Dakota | 1920 | 92 | 15.5 m | |
| CK | South Dakota | 1913 | 92 | 13.1 m | |
| CK | South Dakota | 1930 | 92 | 6.2 m | |
| CK | South Dakota | 1941 | 92 | 16.1 m | |
| CK | South Dakota | 1993 | 92 | 12.2 m | |
| CREEK | South Dakota | 1930 | 91 | 18.3 m | |
| HIDEWOOD CK | South Dakota | 1978 | 90 | 19.8 m | |
| CK | South Dakota | 1950 | 89 | 13.8 m | |
| TRIB TO SNATCH CK | South Dakota | 1940 | 88 | 6.4 m | |
| CREEK | South Dakota | 1909 | 85 | 25.0 m | |
| PONY CK | South Dakota | 1939 | 81 | 12.8 m | |
| SOUTH FORK TWELVE MILE C | South Dakota | 1930 | 81 | 7.3 m | |
| SLIP-UP CREEK | South Dakota | 1938 | 80 | 12.9 m | |
| BLIND CREEK | South Dakota | 1941 | 80 | 20.4 m | |
| WILD RICE CREEK | South Dakota | 1935 | 80 | 8.8 m | |
| TRIB TO SKUNK CK | South Dakota | 1952 | 78 | 9.8 m | |
| TURTLE CREEK | South Dakota | 1965 | 78 | 38.7 m | |
| WEST PIPESTONE CREEK | South Dakota | 1940 | 76 | 27.4 m | |
| CREEK | South Dakota | 1929 | 76 | 19.5 m | |
| CK | South Dakota | 1974 | 75 | 17.5 m | |
| TRIB. TO E BRULE CREEK | South Dakota | 1976 | 75 | 11.0 m | |
| TURKEY CREEK | South Dakota | 1979 | 75 | 12.4 m | |
| TURKEY CREEK | South Dakota | 1991 | 75 | 12.6 m | |
| ROCK CK | South Dakota | 1901 | 75 | 9.8 m | |
| SOUTH CANAL | South Dakota | 1968 | 75 | 12.2 m | |
| CK | South Dakota | 1964 | 75 | 22.6 m | |
| CK | South Dakota | 1965 | 75 | 16.2 m | |
| BEAVER CREEK | South Dakota | 1935 | 74 | 18.5 m | |
| CK | South Dakota | 1940 | 73 | 7.3 m | |
| BIG SIOUX RV | South Dakota | 1920 | 73 | 25.3 m | |
| WILLOW CK | South Dakota | 1910 | 73 | 12.5 m | |
| CASTLE CK | South Dakota | 1950 | 73 | 7.9 m | |
| WEST PIPESTONE CREEK | South Dakota | 1940 | 71 | 18.3 m | |
| NORTH BR TWELVE MILE CK | South Dakota | 1972 | 71 | 8.4 m | |
| NO MOUTH CREEK | South Dakota | 1960 | 70 | 30.7 m | |
| SAND CK | South Dakota | 1940 | 70 | 36.6 m | |
| COLTON CK | South Dakota | 1940 | 70 | 15.2 m | |
| ROCK CK | South Dakota | 1983 | 70 | 19.8 m | |
| CK | South Dakota | 1992 | 70 | 8.4 m | |
| CK | South Dakota | 1932 | 70 | 6.7 m | |
| CREEK | South Dakota | 1928 | 69 | 7.9 m | |
| SPRING CREEK | South Dakota | 1915 | 69 | 9.4 m | |
| TRIB. TO BIG SIOUX RIVER | South Dakota | 1915 | 69 | 9.1 m | |
| DRY CK | South Dakota | 1941 | 69 | 11.1 m | |
| WHITEWOOD CK | South Dakota | 1979 | 69 | 18.6 m | |
| SOUTH BR LONETREE CK | South Dakota | 1960 | 69 | 8.4 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.