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 |
|---|---|---|---|---|---|
| CK | South Dakota | Fair | 2008 | 6.1 m | 33 |
| PLATTE CK | South Dakota | Good | 2018 | 13.1 m | 33 |
| PLATTE CK | South Dakota | Good | 2024 | 17.5 m | 33 |
| PLATTE CK | South Dakota | Good | 2006 | 6.7 m | 33 |
| WEST FIRESTEEL CK | South Dakota | Poor | 1973 | 15.2 m | 33 |
| WEST FIRESTEEL CK | South Dakota | Good | 1973 | 15.2 m | 33 |
| FIRESTEEL CK | South Dakota | Fair | 1999 | 12.7 m | 33 |
| FIRESTEEL CK | South Dakota | Fair | 1930 | 18.3 m | 33 |
| FIRESTEEL CK | South Dakota | Poor | 1940 | 9.8 m | 33 |
| WEST FIRESTEEL CK | South Dakota | Poor | 1925 | 18.3 m | 33 |
| CK | South Dakota | Good | 2020 | 8.1 m | 33 |
| CK | South Dakota | Good | 2021 | 15.2 m | 33 |
| BR FIRESTEEL CK | South Dakota | Fair | 2012 | 10.6 m | 33 |
| FIRESTEEL CK | South Dakota | Good | 2024 | 15.2 m | 33 |
| CK | South Dakota | Fair | 1972 | 7.6 m | 33 |
| CREEK | South Dakota | Good | 2024 | 11.3 m | 33 |
| CREEK | South Dakota | Poor | 1928 | 8.2 m | 33 |
| ELM LAKE | South Dakota | Poor | 1935 | 31.7 m | 33 |
| S FORK SNAKE CREEK | South Dakota | Good | 2004 | 19.8 m | 33 |
| NORTH FORK YELLOW BANK R | South Dakota | Good | 1990 | 25.9 m | 33 |
| NORTH MEDICINE CK | South Dakota | Poor | 1934 | 29.3 m | 33 |
| CHAPELLE CK | South Dakota | Poor | 1961 | 18.9 m | 33 |
| SOUTH MEDICINE CK | South Dakota | Fair | 1964 | 22.3 m | 33 |
| SOUTH MEDICINE CK | South Dakota | Fair | 1968 | 18.9 m | 33 |
| CHAPELLE CK | South Dakota | Good | 2022 | 11.8 m | 33 |
| CK | South Dakota | Good | 1963 | 9.8 m | 33 |
| CK | South Dakota | Good | 1963 | 32.3 m | 33 |
| COTTONWOOD CK | South Dakota | Poor | 1935 | 6.7 m | 33 |
| CK | South Dakota | Poor | 1968 | 7.3 m | 33 |
| CK | South Dakota | Poor | 1964 | 15.6 m | 33 |
| CK | South Dakota | Poor | 1930 | 10.4 m | 33 |
| SPRING CK | South Dakota | Good | 2014 | 10.1 m | 33 |
| ELK CK | South Dakota | Good | 2000 | 22.3 m | 33 |
| BEAR BUTTE CK | South Dakota | Good | 2010 | 8.7 m | 33 |
| ELK CK | South Dakota | Good | 2020 | 20.4 m | 33 |
| EAST ELM CK | South Dakota | Poor | 1949 | 34.1 m | 33 |
| SULPHUR CK | South Dakota | Fair | 1977 | 30.5 m | 33 |
| FROZEN MAN CREEK | South Dakota | Fair | 1967 | 35.7 m | 33 |
| CK | South Dakota | Good | 2018 | 8.0 m | 33 |
| CK | South Dakota | Fair | 1965 | 26.8 m | 33 |
| PINE CK | South Dakota | Fair | 1999 | 8.0 m | 33 |
| WHITE OWL CK | South Dakota | Poor | 1945 | 9.4 m | 33 |
| CHERRY CK | South Dakota | Fair | 1984 | 45.7 m | 33 |
| TRIB TO BIG SIOUX RV | South Dakota | Good | 2014 | 12.5 m | 33 |
| PIPESTONE CREEK | South Dakota | Fair | 1979 | 34.1 m | 33 |
| BIG NASTY CK | South Dakota | Good | 1991 | 27.4 m | 33 |
| LONG HOLLOW CK | South Dakota | Good | 2006 | 10.5 m | 33 |
| CREEK | South Dakota | Poor | 1940 | 7.6 m | 33 |
| COTTONWOOD CK | South Dakota | Good | 2023 | 28.1 m | 33 |
| CREEK | South Dakota | Good | 1999 | 7.5 m | 33 |
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.