I-20 Interstate Preservation Mile Markers 23-37 WB and 37-49 EB

The South Carolina Department of Transportation (SCDOT) is requesting electronic bids for I-20 Interstate Preservation work on 26.77 miles of roadway in Aiken and Lexington Counties (mile markers 23–37 westbound and 37–49 eastbound), with bids due October 13, 2026 at 2:00 p.m. at SCDOT Headquarters in Columbia. Only contractors holding valid SCDOT prequalification certificates are eligible to bid. The DBE participation goal is 0.00%.

The scope includes asphalt pavement milling and resurfacing (over 600,000 square yards), application of asphalt surface courses and stone matrix asphalt totaling approximately 83,900 tons, installation of pavement markings and rumble strips, partial-depth concrete deck patching, and traffic control and construction signage. Mobilization is included as a separate line item.

The project completion date is October 31, 2028. Work is funded through state transportation funds. All bids must be accompanied by a bid bond equal to 5% of the approximate bid amount, submitted electronically through the BidX platform. Bid forms and construction standards are available on the Bid Express website beginning September 13, 2026; hardcopy plans are available for purchase from SCDOT Engineering Publications.

The contract is subject to federal requirements including Title VI Civil Rights Act compliance, Davis-Bacon Act minimum wage rates, Work Hours and Safety Act of 1962 requirements, and Federal-Aid Project regulations under Title 23 U.S.C. Contractors must comply with Fair Labor Standards Act and Equal Employment Opportunity provisions. SCDOT reserves the right to reject any or all proposals and waive any technicalities. Contractors may access the Construction Extranet at no charge for proposals, plans, announcements, and subcontractor coordination.