Milbank - S.D. Highway 15 from S.D. Highway 20 to Milbank


Project Summary:

This is a grading and bridge replacement project from SD20 to Milbank.  The grading will reduce no passing zones by lowing hills and raising valleys, and this project will also add a 6’ shoulder to the roadway for safety.  The grading will be completed this year and next year the final asphalt concrete surfacing will be placed. 

This project will be closed to through traffic all summer and a detour will be provided.  

Project Press Releases: 

March 24, 2022

Project Updates: 

  • Construction of this 6 mile grading project has begun
  • Plant site/Stockpile site is on the south side of Milbank, SD
  • The asphalt surface has been milled off and stockpiled for use next year in the Asphalt Recycle Hot Mix
  • A 2 mile section has been reclaimed/stockpiled and the section is awaiting grading. (drier weather)
  • Two Cast In Place box culverts have been started.
  • Project will continue throughout the summer.


Project Photos: 

Milled Surface

Stockpile Site

Tree Removal

Project Contract Amount:

$10.8 Million


Project Contacts: 

Contractor: Midland Contracting Inc.

SDDOT: Mike Will 605-882-5166



PCN: 05D9

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