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 |
|---|---|---|---|---|---|
| ABANDON LINE RR | South Dakota | 1930 | 1,000 | 30.8 m | |
| TRIB TO BIG SIOUX RV | South Dakota | 1922 | 994 | 10.4 m | |
| TRIB TO BIG SIOUX RV | South Dakota | 1938 | 974 | 11.1 m | |
| MARNE CREEK | South Dakota | 1978 | 969 | 30.5 m | |
| SLIP-UP CREEK | South Dakota | 1956 | 965 | 16.5 m | |
| CAMPBELL CK | South Dakota | 1963 | 918 | 9.4 m | |
| SOUTH FORK PEARL CK | South Dakota | 1933 | 913 | 9.1 m | |
| BOX ELDER CK | South Dakota | 1973 | 881 | 12.2 m | |
| WILLOW CK | South Dakota | 1979 | 878 | 20.4 m | |
| LITTLE MINNESOTA RV | South Dakota | 1953 | 872 | 63.7 m | |
| MISSOURI RIVER | South Dakota | 1996 | 830 | 900.1 m | |
| WEST FORK VERMILLION RV | South Dakota | 1952 | 758 | 69.8 m | |
| EAST FORK VERMILLION RV | South Dakota | 1958 | 747 | 47.1 m | |
| DEER CK | South Dakota | 1950 | 712 | 9.1 m | |
| SOUTH FORK WHETSTONE RV | South Dakota | 1984 | 696 | 19.8 m | |
| CHAPELLE CK | South Dakota | 1949 | 691 | 59.9 m | |
| SOUTH FORK SNAKE CK | South Dakota | 1939 | 688 | 37.2 m | |
| CK | South Dakota | 1940 | 672 | 20.7 m | |
| JAMES RV | South Dakota | 1956 | 668 | 125.4 m | |
| COUNSELOR CREEK | South Dakota | 1965 | 663 | 28.7 m | |
| BELCHER CK | South Dakota | 1955 | 660 | 36.1 m | |
| SKUNK CK | South Dakota | 1963 | 607 | 39.2 m | |
| CK | South Dakota | 1935 | 597 | 11.9 m | |
| DUPREE CK | South Dakota | 1961 | 590 | 36.1 m | |
| SKUNK CREEK | South Dakota | 1977 | 589 | 44.3 m | |
| FALL RV | South Dakota | 1934 | 588 | 19.5 m | |
| CK | South Dakota | 1950 | 580 | 7.9 m | |
| LONG CK | South Dakota | 1977 | 570 | 12.2 m | |
| CHEYENNE RV | South Dakota | 1962 | 567 | 367.0 m | |
| CREEK | South Dakota | 1961 | 556 | 32.2 m | |
| VERMILLION RV | South Dakota | 1975 | 550 | 88.4 m | |
| CK | South Dakota | 1928 | 538 | 6.2 m | |
| CK | South Dakota | 1972 | 502 | 26.4 m | |
| COUNTY RD RC P&E RR | South Dakota | 1937 | 500 | 77.4 m | |
| SPEARFISH CK | South Dakota | 1975 | 500 | 15.2 m | |
| MOCCASIN CREEK | South Dakota | 1976 | 500 | 18.9 m | |
| GREEN CK | South Dakota | 1985 | 500 | 15.5 m | |
| SADDLE CREEK | South Dakota | 1964 | 495 | 44.2 m | |
| WILLOW CK | South Dakota | 2001 | 472 | 15.2 m | |
| BIG SIOUX RV | South Dakota | 1971 | 468 | 34.1 m | |
| NORTH DEER CK | South Dakota | 1925 | 462 | 22.6 m | |
| CK | South Dakota | 1958 | 462 | 9.4 m | |
| SPLIT ROCK CREEK | South Dakota | 1974 | 448 | 77.9 m | |
| WEST BRULE CK | South Dakota | 1960 | 435 | 32.2 m | |
| BOXELDER CK | South Dakota | 1974 | 425 | 21.3 m | |
| BR WEST FORK ELM CK | South Dakota | 1959 | 405 | 8.9 m | |
| TRIB TO SPLIT ROCK CK | South Dakota | 1977 | 398 | 15.8 m | |
| FIRESTEEL CK | South Dakota | 1910 | 390 | 27.4 m | |
| CK | South Dakota | 1930 | 381 | 8.2 m | |
| SPRING CREEK | South Dakota | 1950 | 361 | 18.6 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.