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:

Sept. 19, 2025: 

Sept. 15–Oct. 15, 2025 — Completed work: Crews continued shoulder widening, topsoiling, seeding and replacing centerline culverts. Backfilling began on the precast box culvert at station 1207+01.

Oct. 15–Nov. 15, 2025 — Anticipated work: Shoulder widening, topsoiling, seeding and centerline culvert replacement will continue. Crews will begin water diversion and box culvert work at station 1128+18.

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Project Photos:


Project Contract Amount:

$22.9 Million

Project Contacts:

SDDOT: 
Robert Ward
605-626-7885

Contractor: 
Loiseau Construction