Highway Department | Lake County
1001 S.W. 4th Street, Madison, SD 57042
Eligibility
Open to all
Hours
Summer Hours: 6:00am - 4:30pm (CT), Monday - Thursday
Winter Hours: 7:30am - 4:00pm (CT), Monday - Friday
605-256-7607
Voice
Website
https://www.lake.sd.govService area
Lake County, SD
Other Information
Age Group
- Older Adults (65+)
- Adults (25-64)
This department is tasked with supervising new construction. Maintenance of all county highways including removing snow and ice, mowing, patching, and replacing signs. Maintenance of all bridges on Lake County roads and township roads that are not part of the state or city highway system.
Last Assured
10/21/2025
Providing organization
Lake County
Serving the citizens of Lake County.