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 |
|---|---|---|---|---|---|
| BIG NASTY CK | South Dakota | Fair | 1962 | 71.3 m | 364 |
| LAUGHING WATER CK | South Dakota | Fair | 1959 | 35.7 m | 362 |
| SPRING CREEK | South Dakota | Poor | 1950 | 18.6 m | 361 |
| BLOOM CK | South Dakota | Fair | 1959 | 24.4 m | 361 |
| BLOOM CK | South Dakota | Fair | 1959 | 24.4 m | 361 |
| WOLF CK | South Dakota | Fair | 1957 | 56.7 m | 361 |
| CHEYENNE RV | South Dakota | Good | 2016 | 102.4 m | 361 |
| JAMES RV | South Dakota | Good | 2022 | 171.3 m | 361 |
| UPPER LITTLE MINNESOTA R | South Dakota | Fair | 1965 | 30.3 m | 360 |
| NORTH BR TWELVE MILE CK | South Dakota | Fair | 1977 | 15.2 m | 356 |
| MOREAU RV | South Dakota | Fair | 1964 | 42.2 m | 356 |
| TRIB. TO PATTEE CREEK | South Dakota | Good | 2019 | 6.3 m | 355 |
| BIG SLOUGH CK | South Dakota | Poor | 1955 | 36.1 m | 354 |
| SAGE CK | South Dakota | Good | 1977 | 38.1 m | 352 |
| RAPID CK | South Dakota | Good | 1998 | 36.6 m | 350 |
| FLANDREAU CREEK | South Dakota | Fair | 1940 | 42.2 m | 350 |
| BATTLE CK | South Dakota | Good | 2012 | 27.4 m | 350 |
| CREEK | South Dakota | Good | 2009 | 6.3 m | 350 |
| MITCHELL LK | South Dakota | Poor | 2000 | 13.7 m | 350 |
| EAST FORK OF LONG CREEK | South Dakota | Good | 1991 | 20.4 m | 350 |
| TRIB. TO BIG SIOUX RIVER | South Dakota | Fair | 1939 | 9.8 m | 348 |
| SNATCH CREEK | South Dakota | Fair | 1959 | 15.2 m | 345 |
| CK | South Dakota | Poor | 1974 | 15.5 m | 345 |
| CLAY CREEK DITCH | South Dakota | Good | 2016 | 16.8 m | 345 |
| BATTLE CK | South Dakota | Good | 2009 | 11.3 m | 345 |
| MARNE CREEK | South Dakota | Fair | 1984 | 15.2 m | 343 |
| RUSH CK | South Dakota | Fair | 1975 | 32.3 m | 342 |
| TRIB TO BEAVER CK | South Dakota | Good | 2009 | 7.5 m | 342 |
| SOUTH FORK WHETSTONE RV | South Dakota | Fair | 1973 | 12.2 m | 341 |
| CK | South Dakota | Good | 2006 | 7.8 m | 341 |
| BIG SIOUX RV | South Dakota | Fair | 1970 | 34.4 m | 340 |
| WILLOW CK | South Dakota | Fair | 1950 | 25.3 m | 340 |
| MEDICINE CREEK | South Dakota | Good | 2018 | 80.2 m | 338 |
| NORTH DEER CK | South Dakota | Fair | 1970 | 34.5 m | 336 |
| TRIB TO SKUNK CK | South Dakota | Fair | 1978 | 11.6 m | 336 |
| WEST FORK VERMILLION RV | South Dakota | Good | 2020 | 12.8 m | 336 |
| CK | South Dakota | Fair | 1930 | 16.2 m | 336 |
| MAIN ST R&W RR | South Dakota | Fair | 1974 | 83.6 m | 335 |
| SPRING CK | South Dakota | Poor | 1938 | 15.2 m | 335 |
| NORTH FORK GRAND RV | South Dakota | Fair | 1952 | 104.1 m | 334 |
| TRIB TO S FORK WHETSTONE | South Dakota | Good | 2021 | 8.7 m | 332 |
| TRIB. TO JACK MOORE CRK | South Dakota | Fair | 1925 | 13.1 m | 330 |
| FRENCH CK | South Dakota | Good | 2014 | 9.8 m | 330 |
| BR CHOTEAU CK | South Dakota | Poor | 1925 | 13.7 m | 330 |
| CK | South Dakota | Good | 2009 | 11.8 m | 330 |
| JAMES RV | South Dakota | Fair | 2013 | 107.4 m | 328 |
| DRAINAGE DITCH | South Dakota | Good | 2012 | 66.9 m | 328 |
| I090 | South Dakota | Poor | 1964 | 77.4 m | 328 |
| SADDLE CREEK | South Dakota | Fair | 1963 | 24.4 m | 327 |
| CK | South Dakota | Good | 2023 | 11.3 m | 327 |
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.