; Skip to content

Road Construction Updates

Starting on Monday, April 21, traffic control signage will be placed for the Summit Street water main replacement project. Summit Street from 8th Street to 9th Street, will be closed to traffic. West bound traffic, on 8th Street will also be closed until the utility work in the intersection is completed. The project is anticipated to take approximately one month.

For the safety of everyone, please obey the construction signage. Do not pass by full street closure barricades. If at all possible, travelers should find an alternate route, to avoid traffic congestion.

Construction underway on U.S. Highway 81 North of Yankton

Work is currently underway on U.S. Highway 81 between 302nd Street and 306th Street to extend the four-lane divided roadway north of Yankton.

The anticipated overall completion date for the project is November 2025.

The Gavins Point Project Crest Road closure will be extended for the following weeks:

  • 8:00 am, March 24, 2025 through 2:30 pm March 28, 2025.
  • 8:00 am, March 31, 2025 through 2:30 pm April 4, 2025.
  • 8:00 am, April 7, 2025 through 2:30 pm April 11, 2025.

This will be a full road closure for spillway and intake bridge. The contractor will using this time to continue the maintenance and inspection.

The Crest Road will be OPEN weekends between each closure.

All Crest Road closure updates will be posted on the USACE Gavins Point Facebook page.

You can always check on construction updates and road conditions by viewing this map on the South Dakota Department of Transportation website.

Scroll To Top