Departments

Yankton County Highway Department

The Yankton County Highway Department is located in the same building as the Yankton County Weed and Pest Department on 3302 West City Limits.

Highway Department

Hours of Operation:

Summer Hours:

  • Monday through Thursday
    • 6:30am to 5:00pm

Winter Hours:

  • Monday through Thursday
    • 6:30am to 5:00pm

Phone:

(605) 260-4473

Fax:

(605) 260-4492

Address:

3302 West City Limits Road
Yankton, SD 57078

Services Provided by the Yankton County Highway Department:

  • County road maintenance
  • Snow/ice removal, sanding roads
  • Asphalt road maintenance
  • Bridge/Culvert inspections and maintenance
  • Repair and maintain road signs

NOTICE

Bridge Closure – Yankton County Highway Department has announced the closure of the Stone Church Bridge on 431st Avenue over the James River. Construction will begin on January 20th at 7:00 AM. The bridge will be closed until sometime in 2027 as this is a total bridge replacement over the James River. Make sure to use the designated detour routes to get around this construction site. More information will become available as time goes on. You can go to the Yankton County Website, Yankton OEM Website or the Yankton OEM Facebook page

Staff

Mike Sedlacek

Superintendent Send an Email

Tracy Huff

Administrative Assistant Send an Email

Frequently Asked Questions

  • Tree and or Weed Removal on Township Roads

    South Dakota Codified Law 31-31-2 --Weed removal on township roads--duty of abutting landowner. The owner or occupant of any land abutting or adjoining upon township roads shall cut, remove, or destroy or cause to be cut, removed, or destroyed, grass, weeds, trees, and brush growing on or in the right-of-way of such roads, provided that such roads are left in such condition that any and all undergrowth thereby or thereon can be cut with a mower. A violation of this section is a petty offense.

  • Weed Removal on State or County Roads

    South Dakota Codified Law 31-31-1 -- Weed removal on state or county roads. The Department of Transportation and board of county commissioners of the various counties shall cut or remove, or cause to be cut or removed, grass, weeds, and brush growing within the right-of-way of all public highways within their respective jurisdiction and over which such department and boards exercise control as to repair and maintenance. A violation of this section is a petty offense.

  • Moving Permit Form Instructions

    Please complete and send it to us either via email or fax.

Announcements

Yankton County Extension/4-H
Friday, February 13, 2026

Our office hours for the week of February 16th to February 20th can be found here

To visit with Madison and to learn more about the exciting things going on at the Yankton County 4-H, you can call, email or stop by 901 Whiting Drive Yankton, SD

Yankton County Treasurer
Sunday, February 1, 2026

Reminder:
Yankton County residents that have last names starting with C, D and E have until February 28, 2026 to renew vehicle registration.

Main Phone:
(605) 260-4400

Address:
321 West 3rd Street, Suite 100 Yankton, SD 57078

Office Hours:
9:00am - 5:00pm CST, Monday-Friday
Closed on Holidays, Saturdays, & Sundays

Yankton County YouTube Channel

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