Belle Fourche Area Projects

SD Highway 20

Project Information: 

P 0020(160)04, Harding County, PCN 04FR

This project consists of 2 new bridges replacing the current bridges over the Little Missouri River and over Valley Creek near Camp Crook on SD 20. The third site is a new box culvert 14.8 miles east of US 85 over Sioux Creek on SD 20. The bridge over the Little Missouri River also includes grading for a new alignment. The existing bridge will remain in place until the new one is complete. Completion is expected in November 2021.

SD20 – Bridges 4.2 & 5.0 mi E of the Montana State Line Over the Little Missouri River & Over Valley Creek

SD20 – Box Culvert 14.8 mi E of the E US85 Jct Over Sioux Creek

Press Releases: 

Future releases will be posted here. 



Grangaard Construction, Inc., Watertown, SD.


Joel Flesner – SD DOT Project Engineer


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