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 |
|---|---|---|---|---|---|
| LITTLE MINNESOTA RIVER | South Dakota | 1950 | 35 | 7.3 m | |
| LITTLE MINNESOTA RIVER | South Dakota | 1974 | 35 | 7.5 m | |
| WOLF CREEK | South Dakota | 1961 | 35 | 18.9 m | |
| CROW CREEK DITCH | South Dakota | 1935 | 35 | 7.9 m | |
| SPAIN DITCH | South Dakota | 1935 | 35 | 8.1 m | |
| CK | South Dakota | 1982 | 35 | 8.2 m | |
| CROW CREEK | South Dakota | 1935 | 35 | 7.0 m | |
| SPAIN DITCH | South Dakota | 1930 | 35 | 7.6 m | |
| CROW CREEK | South Dakota | 1968 | 35 | 7.0 m | |
| WILD RICE CREEK | South Dakota | 1960 | 35 | 15.9 m | |
| BRULE CK | South Dakota | 1970 | 35 | 21.9 m | |
| SPLIT ROCK CK | South Dakota | 1908 | 35 | 36.3 m | |
| BIG SIOUX RIVER | South Dakota | 1976 | 35 | 54.9 m | |
| CREEK | South Dakota | 1935 | 34 | 10.1 m | |
| CREEK | South Dakota | 1935 | 34 | 12.5 m | |
| CREEK | South Dakota | 1930 | 34 | 18.3 m | |
| WEST FIRESTEEL CK | South Dakota | 1973 | 33 | 15.2 m | |
| FIRESTEEL CK | South Dakota | 1940 | 33 | 9.8 m | |
| WEST FIRESTEEL CK | South Dakota | 1925 | 33 | 18.3 m | |
| CREEK | South Dakota | 1928 | 33 | 8.2 m | |
| ELM LAKE | South Dakota | 1935 | 33 | 31.7 m | |
| CREEK | South Dakota | 1940 | 33 | 7.6 m | |
| MARNE CREEK | South Dakota | 1935 | 33 | 10.2 m | |
| NORTH MEDICINE CK | South Dakota | 1934 | 33 | 29.3 m | |
| CHAPELLE CK | South Dakota | 1961 | 33 | 18.9 m | |
| COTTONWOOD CK | South Dakota | 1935 | 33 | 6.7 m | |
| CK | South Dakota | 1968 | 33 | 7.3 m | |
| CK | South Dakota | 1964 | 33 | 15.6 m | |
| CK | South Dakota | 1930 | 33 | 10.4 m | |
| EAST ELM CK | South Dakota | 1949 | 33 | 34.1 m | |
| WHITE OWL CK | South Dakota | 1945 | 33 | 9.4 m | |
| TURKEY CREEK | South Dakota | 1987 | 33 | 10.8 m | |
| NORTH DEER CK | South Dakota | 1958 | 32 | 15.3 m | |
| DRY CK | South Dakota | 1945 | 32 | 10.1 m | |
| CREEK | South Dakota | 1940 | 32 | 7.5 m | |
| SILVER CK | South Dakota | 1970 | 32 | 22.1 m | |
| CREEK | South Dakota | 1935 | 31 | 9.1 m | |
| SNAKE CREEK | South Dakota | 1930 | 31 | 12.8 m | |
| CREEK | South Dakota | 1930 | 31 | 15.2 m | |
| CREEK | South Dakota | 1950 | 31 | 9.8 m | |
| CREEK | South Dakota | 1945 | 31 | 7.6 m | |
| JAMES RIVER | South Dakota | 1910 | 31 | 79.2 m | |
| CREEK | South Dakota | 1945 | 31 | 7.6 m | |
| CAMP CK | South Dakota | 1930 | 31 | 10.7 m | |
| SOUTH MEDICINE CK | South Dakota | 1934 | 31 | 9.8 m | |
| SHADY CK | South Dakota | 1966 | 31 | 7.3 m | |
| CREEK | South Dakota | 1935 | 31 | 15.8 m | |
| DOG EAR CK | South Dakota | 1963 | 31 | 11.6 m | |
| BR FOSTER CREEK | South Dakota | 1935 | 31 | 9.4 m | |
| CREEK | South Dakota | 1935 | 31 | 7.9 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.