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.

Hours of Operation:
Summer Hours:
Winter Hours:
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