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 |
|---|---|---|---|---|---|
| TRIB. TO EMANUEL CREEK | South Dakota | 1930 | 50 | 7.1 m | |
| TRIBUTARY TO WOLF CREEK | South Dakota | 1977 | 50 | 7.8 m | |
| CK | South Dakota | 1930 | 50 | 9.1 m | |
| WEST FORK VERMILLION RV | South Dakota | 1988 | 50 | 15.2 m | |
| REDSTONE CK | South Dakota | 1930 | 50 | 12.5 m | |
| CK | South Dakota | 1992 | 50 | 7.2 m | |
| CLAY CREEK | South Dakota | 1930 | 50 | 9.4 m | |
| SPAIN & LANGFORD DITCH | South Dakota | 1979 | 50 | 9.1 m | |
| FOSTER CREEK | South Dakota | 1910 | 50 | 20.7 m | |
| EAST BRULE CREEK | South Dakota | 1950 | 50 | 8.0 m | |
| PRAIRIE DOG CK | South Dakota | 1920 | 50 | 8.4 m | |
| TRIB. TO PATTEE CREEK | South Dakota | 1935 | 50 | 11.1 m | |
| SNAKE CREEK | South Dakota | 1935 | 50 | 9.9 m | |
| BEAR BUTTE CK | South Dakota | 2000 | 50 | 6.7 m | |
| W BR LAC QUI PARLE RIVER | South Dakota | 1950 | 50 | 8.7 m | |
| W BR LAC QUI PARLE RIVER | South Dakota | 1930 | 50 | 7.3 m | |
| CREEK | South Dakota | 1963 | 50 | 9.4 m | |
| S FORK SNAKE CREEK | South Dakota | 1932 | 50 | 28.0 m | |
| EAST FORK VERMILLION RV | South Dakota | 1950 | 50 | 23.8 m | |
| TRIB. TO BIG SIOUX RIVER | South Dakota | 1915 | 50 | 9.1 m | |
| CK | South Dakota | 1990 | 50 | 10.2 m | |
| SPEARFISH CK | South Dakota | 1901 | 50 | 7.3 m | |
| SOUTH SCALP CK | South Dakota | 1963 | 50 | 16.8 m | |
| CK | South Dakota | 1940 | 50 | 7.5 m | |
| MILLER CK | South Dakota | 1950 | 50 | 8.7 m | |
| COTTONWOOD CK | South Dakota | 1945 | 50 | 18.3 m | |
| OWL CK | South Dakota | 1955 | 50 | 22.6 m | |
| CREEK | South Dakota | 1945 | 50 | 9.4 m | |
| DOG EAR CK | South Dakota | 1955 | 50 | 36.3 m | |
| DOG EAR CK | South Dakota | 1940 | 50 | 33.5 m | |
| EAST BRULE CREEK | South Dakota | 1935 | 50 | 14.5 m | |
| SPRING CREEK | South Dakota | 1978 | 50 | 15.2 m | |
| DAWSON CK | South Dakota | 1991 | 50 | 7.0 m | |
| VERMILLION RV | South Dakota | 1910 | 50 | 52.6 m | |
| TRIB. TO PATTEE CREEK | South Dakota | 1940 | 50 | 10.3 m | |
| TRIB. TO FINNIE CREEK | South Dakota | 1941 | 50 | 9.7 m | |
| CREEK | South Dakota | 1934 | 50 | 7.8 m | |
| LITTLE PRAIRIE DOG CK | South Dakota | 1920 | 50 | 9.8 m | |
| CREEK | South Dakota | 1901 | 50 | 12.2 m | |
| CK | South Dakota | 1940 | 50 | 10.7 m | |
| CREEK | South Dakota | 1945 | 48 | 6.3 m | |
| CREEK | South Dakota | 1930 | 48 | 6.3 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 |
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.