Browse Bridge Database
5,883 bridges in the FHWA National Bridge Inventory in South Dakota.
National Bridge Inventory Database
Browse 5,883 bridges from the Federal Highway Administration National Bridge Inventory. Filter by state, condition rating, or search by name and location.
| Bridge | Location | Condition | Year Built | Length | ADT |
|---|---|---|---|---|---|
| E. FORK OF VERMILLION RV | South Dakota | Good | 2020 | 20.5 m | 66 |
| TRIB. TO E FORK VERM RV | South Dakota | Fair | 1925 | 15.7 m | 66 |
| E. FORK OF VERMILLION RV | South Dakota | Good | 2019 | 25.6 m | 66 |
| CK | South Dakota | Good | 1935 | 6.1 m | 65 |
| WEST FIRESTEEL CK | South Dakota | Fair | 1951 | 42.7 m | 65 |
| CK | South Dakota | Fair | 1935 | 6.1 m | 65 |
| WEST FIRESTEEL CK | South Dakota | Fair | 1982 | 32.0 m | 65 |
| FIRESTEEL CK | South Dakota | Poor | 1930 | 9.8 m | 65 |
| VERMILLION RV | South Dakota | Poor | 1940 | 39.0 m | 65 |
| LONG CK | South Dakota | Poor | 1945 | 9.1 m | 65 |
| VERMILLION RV | South Dakota | Fair | 1991 | 52.5 m | 65 |
| BEAVER CREEK | South Dakota | Fair | 1963 | 39.3 m | 65 |
| CK | South Dakota | Poor | 1950 | 16.9 m | 65 |
| CK | South Dakota | Poor | 1950 | 9.5 m | 65 |
| WHITEWOOD CK | South Dakota | Fair | 1966 | 36.6 m | 65 |
| TRIB TO BIG SIOUX RV | South Dakota | Fair | 1937 | 11.0 m | 65 |
| TRIB TO BIG SIOUX RV | South Dakota | Fair | 1976 | 15.8 m | 65 |
| IRRIGATION DITCH | South Dakota | Good | 1993 | 8.5 m | 65 |
| S FORK SNAKE CREEK | South Dakota | Fair | 1999 | 12.2 m | 65 |
| CK | South Dakota | Good | 2006 | 8.7 m | 65 |
| SPRING CK | South Dakota | Fair | 1964 | 9.4 m | 65 |
| CK | South Dakota | Good | 1993 | 12.4 m | 65 |
| SOUTH FORK WHETSTONE CK | South Dakota | Fair | 1949 | 39.2 m | 65 |
| CK | South Dakota | Good | 1978 | 12.2 m | 65 |
| RANDALL CK | South Dakota | Good | 2003 | 7.5 m | 65 |
| MEDICINE CK | South Dakota | Good | 2006 | 7.5 m | 65 |
| CK | South Dakota | Poor | 1962 | 6.7 m | 65 |
| TWELVE MILE CK | South Dakota | Fair | 1954 | 39.2 m | 65 |
| I090 | South Dakota | Fair | 1961 | 77.4 m | 65 |
| I029 | South Dakota | Fair | 1961 | 111.3 m | 65 |
| SOUTH CHAPELLE CK | South Dakota | Poor | 1920 | 7.9 m | 65 |
| WEST FORK ELM CK | South Dakota | Poor | 1928 | 7.9 m | 65 |
| CK | South Dakota | Good | 2008 | 9.1 m | 65 |
| CK | South Dakota | Good | 2017 | 8.3 m | 65 |
| BUFFALO CK | South Dakota | Fair | 1955 | 9.8 m | 65 |
| BATTLE CK | South Dakota | Good | 2001 | 11.3 m | 65 |
| BATTLE CK | South Dakota | Fair | 1935 | 6.4 m | 65 |
| CK | South Dakota | Fair | 1984 | 12.2 m | 65 |
| LONG CREEK | South Dakota | Fair | 1989 | 20.5 m | 65 |
| BEAVER CREEK | South Dakota | Good | 1991 | 10.1 m | 65 |
| BEAVER CREEK | South Dakota | Good | 1998 | 11.1 m | 65 |
| BEAVER CREEK | South Dakota | Poor | 1935 | 18.7 m | 65 |
| SADDLE CREEK | South Dakota | Fair | 1935 | 9.4 m | 65 |
| I090 | South Dakota | Fair | 1964 | 77.4 m | 65 |
| BIG SIOUX RV | South Dakota | Poor | 1962 | 46.6 m | 64 |
| CK | South Dakota | Poor | 1962 | 33.1 m | 64 |
| ENEMY CK | South Dakota | Good | 2021 | 32.3 m | 64 |
| CK | South Dakota | Good | 1998 | 6.3 m | 64 |
| NORTH BR TWELVE MILE CK | South Dakota | Fair | 1972 | 10.1 m | 64 |
| I090 | South Dakota | Fair | 1963 | 75.7 m | 64 |
Frequently Asked Questions
The National Bridge Inventory (NBI) is a federal database maintained by the Federal Highway Administration containing inspection data for all bridges on public roads in the U.S. with a span of more than 20 feet. Bridge owners must inspect each structure at least every 24 months.
ADT stands for Average Daily Traffic — the average number of vehicles crossing the bridge per day. Bridges are sorted by ADT by default because high-traffic bridges in poor condition pose the greatest risk to the most people.
Yes. Use the search field above to find bridges by name, location, or features crossed. You can also combine the search with state and condition filters to narrow your results.