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South DakotaDepartment of Transportation

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Inside SDDOT

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Of Interest

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Interstate 229 Exit 4 - Cliff Ave Reconstruction

Project Home Contacts Public Involvement

SDDOT:

Mike Schmidt
605-940-1000

Contractor:
Year One: Soukup Construction, Inc.
605-332-5282

Year Two and Three: T&R Contracting
605-332-1170

South Dakota Department of Transportation
Becker-Hansen Building
700 E. Broadway Ave.
Pierre, SD 57501

605-773-3265 (voice) 605-773-6214 (fax) Contact Us

Region & Area Offices

Region and Area Offices Aberdeen Mitchell Pierre Rapid City Maintenance Unit Map (Region/Area)

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Travelers

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Forms & Publications

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South Dakota Department of Transportation
Becker-Hansen Building
700 E. Broadway Ave.
Pierre, SD 57501

605-773-3265 (voice) 605-773-6214 (fax) Contact Us

Interstate 229 Exit 4 - Cliff Ave Reconstruction

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Region & Area Offices

Travelers

Forms & Publications

© 2026 State of South Dakota. All Rights Reserved.