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 |
|---|---|---|---|---|---|
| CK | South Dakota | 1961 | 25 | 7.6 m | |
| CREEK | South Dakota | 1930 | 24 | 8.5 m | |
| ENEMY CK | South Dakota | 2021 | 23 | 18.4 m | |
| BEAVER DAM CK | South Dakota | 1966 | 23 | 26.8 m | |
| INDIAN CK | South Dakota | 1940 | 22 | 43.0 m | |
| SOUTH FORK MOREAU RV | South Dakota | 1930 | 22 | 91.1 m | |
| BIG COULEE CREEK | South Dakota | 1950 | 22 | 7.5 m | |
| BIG SLOUGH CREEK | South Dakota | 1930 | 22 | 7.3 m | |
| BIG SLOUGH CREEK | South Dakota | 1955 | 22 | 7.6 m | |
| TURTLE CREEK | South Dakota | 1935 | 22 | 24.4 m | |
| WHITE CLAY CREEK | South Dakota | 1965 | 21 | 25.8 m | |
| JAMES RIVER | South Dakota | 1959 | 21 | 88.1 m | |
| CREEK | South Dakota | 1934 | 20 | 20.1 m | |
| EMANUEL CREEK | South Dakota | 1905 | 20 | 19.9 m | |
| GARDEN CK | South Dakota | 1940 | 20 | 9.9 m | |
| GRAND RIVER | South Dakota | 1990 | 20 | 42.7 m | |
| CK | South Dakota | 1945 | 20 | 7.6 m | |
| CK | South Dakota | 1912 | 20 | 7.6 m | |
| COAL CK | South Dakota | 1940 | 20 | 46.9 m | |
| BURLINGTON NORTHERN RR | South Dakota | 1945 | 20 | 64.0 m | |
| INDIAN RIVER | South Dakota | 1936 | 20 | 24.4 m | |
| CK | South Dakota | 1927 | 20 | 15.9 m | |
| CK | South Dakota | 1925 | 20 | 20.1 m | |
| CK | South Dakota | 1985 | 20 | 9.2 m | |
| FIRESTEEL CK | South Dakota | 1937 | 20 | 37.2 m | |
| MORRIS CK | South Dakota | 1937 | 20 | 6.8 m | |
| EAST BRULE CREEK | South Dakota | 1950 | 20 | 8.5 m | |
| ROCK CK | South Dakota | 1930 | 20 | 7.6 m | |
| ROCK CK | South Dakota | 1930 | 20 | 8.1 m | |
| BIG SIOUX RIVER | South Dakota | 1983 | 20 | 33.5 m | |
| TRIB TO CHEYENNE RIVER | South Dakota | 1935 | 20 | 14.9 m | |
| CREEK | South Dakota | 1965 | 20 | 11.0 m | |
| N. FORK WHETSTONE RV | South Dakota | 1929 | 20 | 7.6 m | |
| CREEK | South Dakota | 1950 | 20 | 7.5 m | |
| CREEK | South Dakota | 1967 | 20 | 7.9 m | |
| OKOBOJO CREEK | South Dakota | 1961 | 20 | 18.9 m | |
| OKOBOJO CK | South Dakota | 1962 | 20 | 18.9 m | |
| MOCASSIN CK | South Dakota | 1924 | 20 | 18.4 m | |
| CK | South Dakota | 1930 | 19 | 16.9 m | |
| CK | South Dakota | 1965 | 18 | 7.9 m | |
| ELM CK | South Dakota | 1930 | 18 | 9.8 m | |
| CAIN CK | South Dakota | 1925 | 18 | 9.8 m | |
| CREEK | South Dakota | 1935 | 17 | 7.3 m | |
| LANCE CK | South Dakota | 1930 | 17 | 18.9 m | |
| CK | South Dakota | 1930 | 16 | 18.9 m | |
| CREEK | South Dakota | 1965 | 16 | 10.1 m | |
| JAMES RV | South Dakota | 1973 | 16 | 39.6 m | |
| SOUTH FORK PEARL CK | South Dakota | 1930 | 15 | 7.1 m | |
| REDSTONE CK | South Dakota | 1935 | 15 | 7.4 m | |
| REDSTONE CK | South Dakota | 1950 | 15 | 7.3 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.