S.D. Highway 10 - Between Britton and Houghton

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Project Summary:

This project consists of widening the shoulder of the roadway to improve safety and will include a structure and pipe replacement. Additionally, the intersection will be modified at the turn lane.

Project Timeline:

Summer 2024 - Fall 2025

Project Updates:

Oct. 31, 2025: 

Sept. 15, 2025 – Oct. 15, 2025, Completed Work:
Shoulder widening, topsoiling, seeding, and centerline culvert replacement continued throughout the project. Backfilling began on the precast box culvert.

Anticipated Work Oct. 15, 2025 – Nov. 15, 2025:
Shoulder widening, topsoiling, seeding, and centerline culvert replacement will continue. Water diversion and construction of the next box culvert are scheduled to begin.

Project Photos:


Project Contract Amount:

$22.9 Million

Project Contacts:

SDDOT: 
Robert Ward
605-626-7885

Contractor: 
Loiseau Construction