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South DakotaDepartment of Transportation

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S.D. Highway 73 - Kadoka

Project Home Contacts Public Involvement

SDDOT:
Logan Tunnissen
605-961-4926

Contractor:
Grading:
Loiseau Construction, Inc.
605-997-2511

Paving:
CSI Contractor Services
308-221-2372

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

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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

S.D. Highway 73 - Kadoka

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© 2026 State of South Dakota. All Rights Reserved.