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 4:00pm
  • Friday
    • 6:30am to 10:30am

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

  • Yankton County is in the process of updating our 5-Year Highway and Bridge Improvement Plan. A public meeting will be held to discuss and answer questions about the proposed updated plan. The meeting will be held on Monday, September 29, 2025 at 6:00pm at at the Government Center in the Commissioner Meeting Room. The general public is invited and encouraged to attend this meeting. If you have any questions about this matter, please contact the Yankton County Highway Superintendent's Office at (605) 260-4473

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
Friday, October 3, 2025

The Yankton County Government Center and all other non-emergency offices in the county will be closed on Monday, October 13th, 2025 in observance of Native American Day.

Yankton County Emergency Management
Thursday, October 2, 2025

Please view the link on learning more about the opportunity in receiving the flu shot free October 18th, at the Yankton High School Auxiliary Gym

Flu Shot Flyer

Yankton County Treasurer
Wednesday, October 1, 2025

A reminder to all residents that the second half of property taxes is due by October 31st. There are several convenient ways to pay. You can pay in person, by mail, by our secure drop box or you can pay on-line. For more information please see the Treasurer's page under the Departments tab or call our office.

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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