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 SIOUX RV | South Dakota | Poor | 1974 | 30.5 m | 4,970 |
| 169 AVE DRAW | South Dakota | Fair | 1960 | 50.0 m | 4,917 |
| 169 AVE DRAW | South Dakota | Good | 1961 | 50.0 m | 4,917 |
| SPRING CK | South Dakota | Fair | 1963 | 36.3 m | 4,913 |
| SPRING CK | South Dakota | Fair | 1963 | 36.3 m | 4,913 |
| CK | South Dakota | Fair | 1968 | 10.1 m | 4,913 |
| FALL RV | South Dakota | Good | 1998 | 44.0 m | 4,898 |
| TWIN CITY RR | South Dakota | Fair | 1982 | 25.0 m | 4,890 |
| HINES CK | South Dakota | Fair | 1978 | 6.2 m | 4,890 |
| 471 AVE | South Dakota | Fair | 1973 | 47.9 m | 4,870 |
| PEG MUNKY RUN CK | South Dakota | Fair | 1973 | 41.9 m | 4,870 |
| PEG MUNKY RUN CK | South Dakota | Fair | 1973 | 41.9 m | 4,870 |
| 471 AVE | South Dakota | Fair | 1973 | 47.9 m | 4,870 |
| DEER CK | South Dakota | Fair | 1973 | 32.3 m | 4,861 |
| CK | South Dakota | Fair | 1973 | 32.3 m | 4,861 |
| PALMER GULCH | South Dakota | Good | 2024 | 30.1 m | 4,855 |
| 188 ST (FASC 6308) | South Dakota | Fair | 1973 | 41.4 m | 4,830 |
| 186A ST HIDEWOOD CK | South Dakota | Fair | 1973 | 71.0 m | 4,830 |
| 186A ST HIDEWOOD CK | South Dakota | Fair | 1973 | 71.0 m | 4,830 |
| 184 ST | South Dakota | Fair | 1973 | 42.3 m | 4,830 |
| 184 ST | South Dakota | Fair | 1973 | 42.3 m | 4,830 |
| 469 AVE (FASC 6373) | South Dakota | Fair | 1973 | 56.9 m | 4,830 |
| 188 ST (FASC 6308) | South Dakota | Fair | 1973 | 41.4 m | 4,830 |
| 469 AVE (FASC 6373) | South Dakota | Fair | 1973 | 52.0 m | 4,830 |
| JAMES RV | South Dakota | Fair | 1982 | 72.5 m | 4,828 |
| DRAINAGE CHANNEL | South Dakota | Good | 2023 | 14.5 m | 4,800 |
| RAPID CK | South Dakota | Good | 1973 | 34.4 m | 4,800 |
| 175 AVE | South Dakota | Fair | 1960 | 26.2 m | 4,790 |
| 173 AVE (FAS 6110) | South Dakota | Fair | 1960 | 48.2 m | 4,790 |
| 173 AVE (FAS 6110) | South Dakota | Fair | 1961 | 48.2 m | 4,790 |
| 175 AVE | South Dakota | Fair | 1960 | 26.2 m | 4,790 |
| WILLOW CK | South Dakota | Fair | 1949 | 9.6 m | 4,768 |
| CK | South Dakota | Fair | 1949 | 9.9 m | 4,768 |
| BIG SIOUX RIVER | South Dakota | Good | 1992 | 96.3 m | 4,733 |
| I029 | South Dakota | Good | 2000 | 72.2 m | 4,726 |
| RAPID CK | South Dakota | Poor | 1974 | 55.5 m | 4,700 |
| TRIB. TO SKUNK CREEK | South Dakota | Good | 2000 | 11.8 m | 4,700 |
| SPRING CK TRIB | South Dakota | Good | 2015 | 17.5 m | 4,695 |
| FALL RV | South Dakota | Fair | 1968 | 44.5 m | 4,687 |
| WEST BR DEER CK | South Dakota | Fair | 1973 | 22.4 m | 4,664 |
| 458 AVE | South Dakota | Fair | 1972 | 53.2 m | 4,595 |
| 458 AVE | South Dakota | Fair | 1972 | 53.2 m | 4,595 |
| SD022 | South Dakota | Fair | 1973 | 79.5 m | 4,595 |
| SD022 | South Dakota | Fair | 1973 | 79.5 m | 4,595 |
| 462 AVE | South Dakota | Fair | 1973 | 55.5 m | 4,595 |
| STRAY HORSE CK | South Dakota | Fair | 1973 | 55.8 m | 4,595 |
| STRAY HORSE CK | South Dakota | Fair | 1973 | 55.8 m | 4,595 |
| 462 AVE | South Dakota | Fair | 1973 | 55.5 m | 4,595 |
| RAPID CK | South Dakota | Fair | 1974 | 35.4 m | 4,500 |
| BNSF RAILROAD | South Dakota | Fair | 2001 | 97.0 m | 4,468 |
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.