Turn Lane Project Scheduled to Begin on U.S. Highway 85 and Crook City Road in Spearfish

For Immediate Release:
Thursday, April 2, 2026

Contact:
Justin Smith, Project Engineer, 605-381-4035

SPEARFISH, S.D. - Beginning Tuesday, April 7, 2026, crews will begin constructing left-turn lanes on U.S. Highway 85 at Crook City Road, located south of Interstate 90 (exit 17) in Spearfish.

Two-way traffic will be maintained throughout the project. A 10-foot width restriction will be in place for both lanes of traffic. A signed over-width detour will be placed on U.S. Highway 14A and I-90.

The prime contractor on this $1.4 million project is Complete Concrete, Inc. of Rapid City, SD. The overall project completion date is Friday, Oct. 16, 2026.

About SDDOT:
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For the latest on road and weather conditions, road closures, construction work zones, commercial vehicle restrictions, and traffic incidents, please visit https://sd511.org or dial 511.

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