NewsSouth Dakota

Scheduled Closure Planned for Interstate 90 Exit 37 Westbound On-Ramp Near Sturgis

For Immediate Release: Friday, Sept. 30, 2022
Contact: Jason Baker, Project Engineer, 605-394-1629
STURGIS, S.D. – The South Dakota Department of Transportation (SDDOT) says that the westbound on-ramp at exit 37 will close at 8 a.m. on Wednesday, Oct. 5, 2022. The ramp will be closed to allow crews to construct a new, longer ramp in its place. The ramp is expected to remain closed until Tuesday, Nov. 15, 2022. Traffic using Pleasant Valley Road to access westbound I-90 will be detoured to eastbound I-90 to exit 44, where they will exit and access the westbound lanes of I-90.
This work is part of the second phase of a four-phase project to reconstruct the exit 37 interchange. The project includes the reconstruction of the exit 37 interchange, eastbound grading on I-90, paving from west of exit 37 to the Tilford Port of Entry, drainage structure extensions, installation of pipe culverts, installation of a commercial vehicle electronic screening system, and the construction of a new port of entry building.
The prime contractor on the $35 million project is Complete Concrete, Inc. of Rapid City. The project is scheduled for completion by Friday, Oct. 27, 2023.
Project information is available on the SDDOT website at
About SDDOT:
The mission of the South Dakota Department of Transportation is to efficiently provide a safe and effective public transportation system.
For the latest on road and weather conditions, road closures, construction work zones, commercial vehicle restrictions, and traffic incidents, please visit or dial 511.

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