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 |
|---|---|---|---|---|---|
| TURKEY RIDGE CK | South Dakota | Fair | 2002 | 19.1 m | 97 |
| LONG CK | South Dakota | Good | 2018 | 12.2 m | 97 |
| VERMILLION RV | South Dakota | Fair | 1988 | 52.7 m | 97 |
| TURKEY RIDGE CK | South Dakota | Good | 2017 | 24.4 m | 96 |
| CK | South Dakota | Poor | 1969 | 9.4 m | 96 |
| BULL CK | South Dakota | Fair | 1965 | 30.2 m | 96 |
| CREEK | South Dakota | Fair | 1935 | 6.7 m | 96 |
| SOUTH MEDICINE CK | South Dakota | Poor | 1964 | 19.2 m | 96 |
| CREEK | South Dakota | Good | 1940 | 7.5 m | 96 |
| EAST BRULE CK | South Dakota | Good | 1984 | 7.5 m | 96 |
| I029 | South Dakota | Fair | 1966 | 77.4 m | 95 |
| TURKEY CREEK | South Dakota | Good | 2022 | 12.2 m | 95 |
| CK | South Dakota | Good | 2024 | 10.8 m | 95 |
| PLATTE CREEK | South Dakota | Fair | 1968 | 15.2 m | 95 |
| FROG CK | South Dakota | Fair | 1965 | 24.4 m | 95 |
| FROG CK | South Dakota | Good | 2009 | 9.5 m | 95 |
| CK | South Dakota | Fair | 1948 | 11.0 m | 95 |
| WILLOW CREEK | South Dakota | Fair | 1990 | 6.9 m | 95 |
| CK | South Dakota | Good | 2001 | 7.8 m | 95 |
| FOOT CREEK | South Dakota | Fair | 1956 | 28.0 m | 95 |
| I029 | South Dakota | Fair | 1960 | 77.4 m | 95 |
| CK | South Dakota | Fair | 1993 | 20.1 m | 95 |
| CK | South Dakota | Good | 1958 | 9.4 m | 95 |
| CK | South Dakota | Good | 2015 | 16.8 m | 95 |
| CK | South Dakota | Poor | 1935 | 6.7 m | 95 |
| FROG CK | South Dakota | Fair | 1965 | 24.4 m | 94 |
| FROG CK | South Dakota | Fair | 1965 | 26.4 m | 94 |
| SADDLE CREEK | South Dakota | Good | 2015 | 8.8 m | 94 |
| WOLF CK | South Dakota | Good | 1997 | 27.4 m | 94 |
| ABEAR CREEK | South Dakota | Fair | 1962 | 21.3 m | 93 |
| STONY RUN CREEK | South Dakota | Fair | 1939 | 9.8 m | 93 |
| DRAINAGE DITCH | South Dakota | Good | 2017 | 13.7 m | 93 |
| BEAVER CREEK | South Dakota | Good | 1989 | 32.6 m | 93 |
| RAHN LK | South Dakota | Good | 2021 | 20.7 m | 93 |
| BIG SIOUX RV | South Dakota | Fair | 1987 | 36.6 m | 92 |
| CK | South Dakota | Poor | 1930 | 12.0 m | 92 |
| CK | South Dakota | Poor | 1930 | 8.7 m | 92 |
| CK | South Dakota | Good | 1978 | 34.5 m | 92 |
| NORTH DEER CK | South Dakota | Poor | 1930 | 12.9 m | 92 |
| CK | South Dakota | Fair | 1982 | 19.6 m | 92 |
| NORTH DEER CK | South Dakota | Good | 2000 | 19.0 m | 92 |
| CK | South Dakota | Good | 2000 | 20.1 m | 92 |
| CK | South Dakota | Fair | 1980 | 15.5 m | 92 |
| NORTH DEER CK | South Dakota | Good | 1990 | 13.4 m | 92 |
| SIX MILE CK | South Dakota | Fair | 1930 | 21.3 m | 92 |
| LAKE CAMPBELL OUTLET | South Dakota | Fair | 1968 | 33.9 m | 92 |
| NORTH DEER CK | South Dakota | Good | 1996 | 15.1 m | 92 |
| CK | South Dakota | Poor | 1930 | 6.7 m | 92 |
| BR NORTH DEER CK | South Dakota | Fair | 1979 | 15.5 m | 92 |
| MEDARY CK | South Dakota | Poor | 1910 | 34.3 m | 92 |
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.