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SDDOT Awarded Competitive Highway Bridge Program (CHBP) Grant for Platte-Winner Bridge Replacement Project
April 10, 2026
The U.S. Department of Transportation’s Federal Highway Administration (FHWA) has awarded the South Dakota Department of Transportation (SDDOT) a $65 million grant through the Competitive Highway Bridge Program (CHBP) for the S.D. Highway 44 Platte-Winner Bridge replacement project.
Mobridge Area Project Scheduled to Begin on U.S. Highway 12 and S.D. Highway 1806
April 10, 2026
On Monday, April 13, 2026, a project is scheduled to begin on U.S. Highway 12 from Mobridge west approximately 15 miles and on S.D. Highway 1806 both north and south of Highway 12.
S.D. Highway 271 Project to Begin in North Central South Dakota from S.D. Highway 10 to North Dakota Border
April 09, 2026
Beginning Monday, April 13, 2026, a project is scheduled to begin in north central South Dakota on S.D. Highway 271 from S.D. Highway 10 to the North Dakota border.
SDDOT Seeks Public Input for Proposed S.D. Highway 28 Bridge Structure Replacement over Lake Poinsett Inlet
April 08, 2026
SDDOT) will hold a public meeting open house on Thursday, April 23, 2026, from 5:30 – 6:30 p.m. to inform area residents of a proposed bridge structure replacement project on S.D. Highway 28.
SDDOT Seeks Public Input for Proposed U.S. Highway 12 Structure Replacement over Whetstone Diversion Channel in Big Stone City
April 08, 2026
SDDOT will hold a public meeting open house on Monday, April 20, 2026, for the proposed structure replacement project on U.S. Highway 12 over the Whetstone Diversion Channel in Big Stone City.
