Completed Letting - October 15, 2025

The South Dakota Department of Transportation issued an award notice on October 15, 2025, for infrastructure projects under solicitation numbers EM 0292(88)73 and IM 2292(104)0. The scope of work focuses on civil infrastructure improvements across multiple South Dakota counties, including Day, Lincoln, and Corson. Key activities involve site grading, the installation of cast-in-place or precast reinforced concrete box culverts, asphalt concrete resurfacing, cold milling, curb and gutter installation, and various drainage and traffic control measures. Specific project sites include the I-29 85th Street Interchange in Sioux Falls, US Highway 12, and structures in Lincoln County. The procurement was conducted via a competitive bidding process, with the South Dakota Department of Transportation serving as the overseeing agency responsible for inspection and acceptance at the project sites. Bid abstracts indicate that deliverables are measured by quantified construction outputs, such as mobilization, grade staking, and asphalt application. While detailed line-item pricing was submitted by bidders such as D & G Concrete Construction, Inc. and T&R Contracting Inc., the final contract value and specific evaluation methodology were not explicitly detailed in the provided summaries. Performance is tied to the completion of standardized construction items and materials, including PG 58-34 asphalt binder and Class A riprap.