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 |
|---|---|---|---|---|---|
| PONY CK | South Dakota | Good | 1992 | 15.2 m | 3,971 |
| FOOT CK | South Dakota | Fair | 1971 | 46.3 m | 3,968 |
| WILLOW CK | South Dakota | Fair | 1939 | 7.6 m | 3,961 |
| WHITEWATER CK | South Dakota | Fair | 1986 | 61.6 m | 3,956 |
| BIG FOOTE RD (FAS) | South Dakota | Fair | 1973 | 37.8 m | 3,956 |
| WHITEWATER CK | South Dakota | Fair | 1973 | 70.3 m | 3,956 |
| BIG FOOTE RD (FAS) | South Dakota | Fair | 1973 | 37.8 m | 3,956 |
| 319 AVE | South Dakota | Fair | 1971 | 34.3 m | 3,955 |
| SD273 | South Dakota | Fair | 1970 | 52.8 m | 3,955 |
| SD273 | South Dakota | Fair | 1970 | 48.5 m | 3,955 |
| 319 AVE | South Dakota | Fair | 1971 | 34.3 m | 3,955 |
| CK | South Dakota | Good | 2008 | 6.4 m | 3,948 |
| DRAINAGE CHANNEL | South Dakota | Good | 1994 | 7.2 m | 3,934 |
| 321 AVE | South Dakota | Fair | 1971 | 40.2 m | 3,852 |
| 321 AVE | South Dakota | Fair | 1971 | 40.2 m | 3,852 |
| 324 AVE | South Dakota | Fair | 1971 | 36.3 m | 3,852 |
| 324 AVE | South Dakota | Fair | 1971 | 36.3 m | 3,852 |
| MOCCASIN CREEK | South Dakota | Fair | 1995 | 11.0 m | 3,845 |
| US183 | South Dakota | Fair | 1970 | 66.4 m | 3,839 |
| 308 AVE | South Dakota | Fair | 1970 | 32.3 m | 3,839 |
| 308 AVE | South Dakota | Fair | 1970 | 32.3 m | 3,839 |
| 312 AVE | South Dakota | Fair | 1970 | 32.3 m | 3,839 |
| 310 AVE | South Dakota | Fair | 1970 | 32.3 m | 3,839 |
| 310 AVE | South Dakota | Fair | 1970 | 32.3 m | 3,839 |
| 312 AVE | South Dakota | Fair | 1970 | 32.3 m | 3,839 |
| US183 | South Dakota | Good | 1970 | 66.4 m | 3,839 |
| US016 E | South Dakota | Fair | 1968 | 51.8 m | 3,835 |
| US016AW | South Dakota | Fair | 1968 | 88.4 m | 3,835 |
| 286 AVE (FAS 6259) | South Dakota | Fair | 1970 | 32.3 m | 3,825 |
| 286 AVE (FAS 6259) | South Dakota | Good | 1970 | 32.3 m | 3,825 |
| MARNE CREEK | South Dakota | Fair | 2005 | 31.1 m | 3,820 |
| 305 AVE | South Dakota | Fair | 1970 | 42.5 m | 3,808 |
| 305 AVE | South Dakota | Good | 1970 | 42.5 m | 3,808 |
| 293 AVE | South Dakota | Fair | 1970 | 42.1 m | 3,803 |
| SUNDANCE RD | South Dakota | Good | 1970 | 24.4 m | 3,803 |
| 293 AVE | South Dakota | Fair | 1970 | 42.1 m | 3,803 |
| SUNDANCE RD | South Dakota | Good | 1970 | 24.4 m | 3,803 |
| TRIB TO SKUNK CREEK | South Dakota | Fair | 2013 | 11.7 m | 3,800 |
| 279 AVE (FAS 6500) | South Dakota | Fair | 1970 | 42.1 m | 3,793 |
| CK | South Dakota | Fair | 1970 | 68.6 m | 3,793 |
| 282 AVE | South Dakota | Fair | 1970 | 36.3 m | 3,793 |
| CK | South Dakota | Fair | 1970 | 68.6 m | 3,793 |
| 279 AVE (FAS 6500) | South Dakota | Fair | 1970 | 42.1 m | 3,793 |
| 282 AVE | South Dakota | Fair | 1970 | 36.3 m | 3,793 |
| SD248 | South Dakota | Good | 2006 | 40.3 m | 3,791 |
| SD248 | South Dakota | Good | 2006 | 40.3 m | 3,791 |
| 303 AVE | South Dakota | Fair | 1970 | 32.3 m | 3,787 |
| 300 AVE | South Dakota | Fair | 1970 | 48.2 m | 3,787 |
| 300 AVE | South Dakota | Fair | 1970 | 48.2 m | 3,787 |
| 303 AVE | South Dakota | Fair | 1970 | 32.3 m | 3,787 |
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.