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 |
|---|---|---|---|---|---|
| BIG SLOUGH CK | South Dakota | 1955 | 354 | 36.1 m | |
| MITCHELL LK | South Dakota | 2000 | 350 | 13.7 m | |
| CK | South Dakota | 1974 | 345 | 15.5 m | |
| SPRING CK | South Dakota | 1938 | 335 | 15.2 m | |
| BR CHOTEAU CK | South Dakota | 1925 | 330 | 13.7 m | |
| I090 | South Dakota | 1964 | 328 | 77.4 m | |
| CK | South Dakota | 1972 | 325 | 11.2 m | |
| CROW CREEK DITCH | South Dakota | 1974 | 322 | 10.7 m | |
| REDSTONE CK | South Dakota | 1963 | 320 | 17.1 m | |
| PONY CK | South Dakota | 1950 | 317 | 7.5 m | |
| JAMES RIVER | South Dakota | 1959 | 315 | 113.3 m | |
| CK | South Dakota | 1989 | 300 | 7.8 m | |
| BOXELDER CK | South Dakota | 1975 | 300 | 18.9 m | |
| BOXELDER CK | South Dakota | 1975 | 300 | 20.1 m | |
| DRAINAGE DITCH | South Dakota | 1984 | 300 | 7.9 m | |
| BR BRULE CK | South Dakota | 1955 | 300 | 7.6 m | |
| CK | South Dakota | 1930 | 290 | 6.4 m | |
| VERMILLION RV | South Dakota | 1966 | 283 | 63.8 m | |
| BURLINGTON NORTHERN RR | South Dakota | 1960 | 274 | 31.1 m | |
| EAST BRULE CK | South Dakota | 1960 | 270 | 42.7 m | |
| SOUTH CANAL | South Dakota | 1975 | 269 | 20.1 m | |
| TRIBUTARY TO ASH CREEK | South Dakota | 1935 | 261 | 7.0 m | |
| JAMES RIVER | South Dakota | 1957 | 252 | 75.9 m | |
| DITCH | South Dakota | 1984 | 250 | 12.2 m | |
| WEST FORK VERMILLION RV | South Dakota | 1972 | 250 | 7.6 m | |
| CK | South Dakota | 1950 | 241 | 9.5 m | |
| CK | South Dakota | 1970 | 233 | 9.1 m | |
| ROCK CK | South Dakota | 1930 | 228 | 9.8 m | |
| MORRIS CK | South Dakota | 1930 | 225 | 7.9 m | |
| CK | South Dakota | 1932 | 220 | 9.1 m | |
| RAPID CK | South Dakota | 1972 | 218 | 13.7 m | |
| BURLINGTON NORTHERN RR | South Dakota | 1938 | 218 | 62.8 m | |
| RAPID CK | South Dakota | 1972 | 218 | 12.2 m | |
| CREEK | South Dakota | 1924 | 213 | 13.7 m | |
| CREEK | South Dakota | 1940 | 213 | 16.2 m | |
| DAN POWELL CK | South Dakota | 1936 | 210 | 12.8 m | |
| VERMILLION RV | South Dakota | 1956 | 207 | 73.6 m | |
| ANDES CK | South Dakota | 1950 | 206 | 13.2 m | |
| DOVE CREEK | South Dakota | 1980 | 205 | 13.7 m | |
| CHOTEAU CREEK | South Dakota | 1958 | 205 | 50.7 m | |
| GRIZZLY BEAR CK | South Dakota | 1955 | 200 | 9.4 m | |
| BOIS DE SIOUX R | South Dakota | 1930 | 200 | 15.5 m | |
| PONCA CK | South Dakota | 1952 | 189 | 50.7 m | |
| CREEK | South Dakota | 1930 | 183 | 9.8 m | |
| RED WATER CREEK | South Dakota | 1961 | 180 | 21.3 m | |
| PEARL CREAK | South Dakota | 1930 | 178 | 22.6 m | |
| CK | South Dakota | 1961 | 175 | 22.5 m | |
| LITTLE VERMILLION RIVER | South Dakota | 1940 | 173 | 16.4 m | |
| JAMES RV | South Dakota | 1959 | 165 | 115.2 m | |
| LODGEPOLE CK | South Dakota | 1965 | 163 | 40.8 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.