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 |
|---|---|---|---|---|---|
| DIVERSION DITCH | South Dakota | 1948 | 26 | 15.2 m | |
| LODGE POLE CK | South Dakota | 1980 | 26 | 13.7 m | |
| RABBIT CK | South Dakota | 1950 | 26 | 62.2 m | |
| DEADMAN CREEK | South Dakota | 1967 | 25 | 7.6 m | |
| FOUR MILE CK | South Dakota | 1945 | 25 | 31.4 m | |
| BATTLE CK | South Dakota | 1945 | 25 | 31.4 m | |
| YANKTON CLAY DITCH | South Dakota | 1938 | 25 | 12.6 m | |
| LONG CK | South Dakota | 1987 | 25 | 13.7 m | |
| ASH CK | South Dakota | 1945 | 25 | 14.0 m | |
| ENEMY CK | South Dakota | 1917 | 25 | 9.8 m | |
| DRY RUN CK | South Dakota | 1935 | 25 | 9.1 m | |
| CK | South Dakota | 1950 | 25 | 6.5 m | |
| MUD CREEK | South Dakota | 1950 | 25 | 10.7 m | |
| COBB CK | South Dakota | 1908 | 25 | 21.7 m | |
| CK | South Dakota | 1930 | 25 | 6.7 m | |
| CK | South Dakota | 1980 | 25 | 7.6 m | |
| CK | South Dakota | 1930 | 25 | 9.4 m | |
| CK | South Dakota | 1926 | 25 | 10.4 m | |
| SOUTH FORK WHETSTONE RV | South Dakota | 1942 | 25 | 10.7 m | |
| CK | South Dakota | 1936 | 25 | 10.4 m | |
| CK | South Dakota | 1901 | 25 | 7.4 m | |
| CK | South Dakota | 1965 | 25 | 6.8 m | |
| WHETSTONE RV | South Dakota | 1962 | 25 | 29.9 m | |
| TRIB. TO BIG SIOUX RIVER | South Dakota | 1930 | 25 | 6.7 m | |
| TURTLE CK | South Dakota | 1925 | 25 | 12.2 m | |
| SHAEFER CK | South Dakota | 1930 | 25 | 7.9 m | |
| PEARL CK | South Dakota | 1920 | 25 | 7.9 m | |
| CK | South Dakota | 1978 | 25 | 9.4 m | |
| Whitewood Creek | South Dakota | 2011 | 25 | 18.4 m | |
| PONY CK | South Dakota | 1986 | 25 | 11.6 m | |
| CK | South Dakota | 1930 | 25 | 9.3 m | |
| SAND CK | South Dakota | 2008 | 25 | 12.2 m | |
| CK | South Dakota | 1935 | 25 | 9.3 m | |
| SADDLE CREEK | South Dakota | 1972 | 25 | 21.5 m | |
| LANGFORD DITCH | South Dakota | 1935 | 25 | 7.9 m | |
| VERMILLION RV | South Dakota | 1985 | 25 | 14.8 m | |
| CK | South Dakota | 1961 | 25 | 7.6 m | |
| Alkali Creek | South Dakota | 2008 | 25 | 7.4 m | |
| ROCK CK | South Dakota | 1925 | 25 | 11.6 m | |
| ROCK CK | South Dakota | 1926 | 25 | 10.1 m | |
| WEST FORK VERMILLION RV | South Dakota | 1961 | 25 | 7.9 m | |
| EAST UNION CK | South Dakota | 1950 | 25 | 9.3 m | |
| ELCE CK | South Dakota | 1950 | 25 | 7.5 m | |
| RAPID CK | South Dakota | 1972 | 25 | 12.5 m | |
| COTTONWOOD CK | South Dakota | 1959 | 25 | 8.2 m | |
| CREEK | South Dakota | 1950 | 25 | 6.7 m | |
| LITTLE MINNESOTA RIVER | South Dakota | 1967 | 25 | 11.3 m | |
| TRIB. TO CLAY CREEK | South Dakota | 1940 | 25 | 6.6 m | |
| CK | South Dakota | 1983 | 25 | 12.3 m | |
| N. FORK WHETSTONE RV | South Dakota | 1967 | 25 | 10.1 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.