en.Wedoany.com Reported - The Illinois Department of Transportation is advancing a $325 million reconstruction project for I-57. The project extends from the I-57/I-24 interchange south of Marion to the I-57/I-64 interchange north of Mount Vernon, covering a nearly 37-mile interstate corridor.

Ben Wells, IDOT District 9 Construction Engineer, stated: "This corridor is vital to the region and the nation. Once completed, I-57 will provide three lanes in each direction between I-24 and I-64, offering a safer and more efficient route for both freight and passenger traffic." The segment carries an average daily traffic volume of approximately 40,000 vehicles, of which about 14,000 are trucks, and is part of the National Highway Freight Network.

Wells noted: "This highway reconstruction project strengthens a critical freight and multimodal corridor connecting Chicago to Gulf Coast ports, and linking major interstates such as I-80, I-70, I-64, I-55, and I-24." The scope of work includes adding lanes, installing new drainage structures, constructing a median barrier wall, replacing bridges over the Marcum Branch, Gun Creek, and Dodds Creek, and reconstructing the I-57/64 interchange with Illinois Route 15.

Facing construction challenges posed by high traffic volumes, all contracts require two lanes to remain open during daytime hours, with major construction activities taking place at night. The reconstruction utilizes techniques such as slipform construction for the median barrier wall and jacking for storm sewer pipes.

Construction has been ongoing for nearly two decades, with planning beginning in 2007. Multiple segments have already opened to traffic: sections near Marion and Mount Vernon were completed between 2012 and 2015, a 4.4-mile segment north of Marion in 2020, a 3-mile segment near West Frankfort in 2022, and the Benton area segment in 2025. The remaining segments are scheduled for completion in 2027 and 2029. This highway reconstruction project is part of the "Rebuild Illinois" capital plan, which invests a total of $25.4 billion in Illinois roads and bridges.

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