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 |
|---|---|---|---|---|---|
| ELK CK | South Dakota | Poor | 1955 | 18.6 m | 10 |
| RED OWL CK | South Dakota | Fair | 1955 | 19.1 m | 10 |
| PINE CK | South Dakota | Poor | 1966 | 14.5 m | 10 |
| PINE CK | South Dakota | Poor | 1992 | 12.2 m | 10 |
| WEST REDSTONE CK | South Dakota | Fair | 1989 | 9.1 m | 10 |
| ROCK CK | South Dakota | Fair | 2005 | 18.4 m | 10 |
| ROCK CK | South Dakota | Good | 2002 | 12.8 m | 10 |
| TRIB. TO JACK MOORE CRK | South Dakota | Poor | 1950 | 9.2 m | 10 |
| SPRING CK | South Dakota | Fair | 1980 | 7.7 m | 10 |
| RAPID CK | South Dakota | Good | 1972 | 9.1 m | 10 |
| NORTH FORK GRAND RV | South Dakota | Fair | 1996 | 8.2 m | 10 |
| ARTICHOKE CK | South Dakota | Good | 2003 | 18.3 m | 10 |
| CK | South Dakota | Good | 1992 | 10.0 m | 10 |
| CK | South Dakota | Fair | 2007 | 12.8 m | 10 |
| BNSF RAILROAD | South Dakota | Fair | 1936 | 46.3 m | 10 |
| CREEK | South Dakota | Poor | 1938 | 7.3 m | 10 |
| SAND CK | South Dakota | Fair | 1964 | 9.4 m | 10 |
| MEDICINE KNOLL CK | South Dakota | Poor | 1913 | 15.5 m | 10 |
| CK | South Dakota | Poor | 1950 | 7.9 m | 10 |
| DRAINAGE DITCH | South Dakota | Poor | 1930 | 7.5 m | 10 |
| MARNE CREEK | South Dakota | Poor | 1930 | 6.7 m | 10 |
| MARNE CREEK | South Dakota | Good | 2023 | 12.2 m | 10 |
| BEAVER CK | South Dakota | Fair | 1935 | 9.9 m | 10 |
| BEAR CK | South Dakota | Poor | 1935 | 12.2 m | 10 |
| RAPID CREEK | South Dakota | Poor | 1945 | 10.0 m | 10 |
| POINT CK | South Dakota | Good | 2006 | 8.7 m | 9 |
| CK | South Dakota | Fair | 1930 | 15.3 m | 9 |
| COTTONWOOD CK | South Dakota | Poor | 1982 | 15.5 m | 9 |
| PATTERSON CK | South Dakota | Good | 2006 | 6.2 m | 9 |
| TIMBER CREEK | South Dakota | Poor | 1940 | 9.4 m | 9 |
| CREEK | South Dakota | Fair | 2013 | 12.2 m | 9 |
| TIMBER CREEK | South Dakota | Fair | 1935 | 9.8 m | 9 |
| TIMBER CREEK | South Dakota | Poor | 1935 | 9.8 m | 9 |
| SOUTH FORK MOREAU RV | South Dakota | Fair | 1982 | 39.6 m | 8 |
| TRAIL CREEK | South Dakota | Fair | 2020 | 13.7 m | 8 |
| UPPER DEEP CREEK | South Dakota | Good | 2015 | 22.9 m | 7 |
| CK | South Dakota | Good | 2023 | 8.6 m | 7 |
| BAD RIVER | South Dakota | Poor | 1918 | 60.4 m | 6 |
| STOCKDAM SPILLWAY | South Dakota | Fair | 1940 | 7.6 m | 6 |
| DEEP CK | South Dakota | Good | 1997 | 18.3 m | 6 |
| FOOT CREEK | South Dakota | Fair | 2007 | 8.2 m | 5 |
| CLAY CK DITCH | South Dakota | Fair | 1975 | 19.8 m | 5 |
| FRENCH CK | South Dakota | Fair | 1950 | 20.0 m | 5 |
| FRENCH CK | South Dakota | Fair | 1950 | 25.8 m | 5 |
| CK | South Dakota | Poor | 1950 | 9.9 m | 5 |
| GRACE COOLIDGE CREEK | South Dakota | Fair | 1950 | 8.4 m | 5 |
| FRENCH CK | South Dakota | Fair | 1950 | 11.6 m | 5 |
| LITTLE MOREAU RV | South Dakota | Fair | 1950 | 9.8 m | 5 |
| S FORK SNAKE CREEK | South Dakota | Fair | 1973 | 36.6 m | 5 |
| INDIAN CK | South Dakota | Good | 2002 | 27.7 m | 5 |
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.