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A lane expansion and bridge replacement project has begun on Interstate 57 from Atchison Creek near mile marker 85 to mile marker 92 south of Mount Vernon in Jefferson County. To accommodate the work, westbound I-64 to the southbound I-57 entrance ramp will be closed until early 2026. The public should expect various nightly lane closures and lane shifts throughout the project. A detour will be in place to safely guide motorists around the closure.
The overall $51.9 million project, which consists of building an additional lane in both directions as well as storm sewers and drainage structures, installing a median barrier, resurfacing, replacing the existing bridge and installing deck overlay, is expected to be completed by summer 2027.
Additional I-57 southern Illinois corridor projects
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I-57 at Illinois 149 (exit 65) in West Frankfort: Work began in August to reconstruct and convert the Illinois 149/I-57 intersections into two modern roundabouts with new lighting and drainage improvements. The $6.3 million project will also include bridge repairs and safety enhancements, with pedestrian and bicycle accommodations. The overall project is expected to be completed in 2025.
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I-57, mileposts 66-75: Expansion to six lanes and replacement of bridges over the Big Muddy River in Jackson County began in spring 2022 and is anticipated to be completed in 2025. Nighttime lane closures are anticipated.
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I-57, mileposts 75-85: Expansion to six lanes and replacement of bridges over Marcum Branch and Gun Creek in Franklin County begins in 2025 and is anticipated to be completed in 2028. Nighttime lane closures are anticipated.
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I-57/64, Illinois 15 interchange (exit 95): Reconstruction in Mount Vernon is anticipated to begin in 2025. Nighttime lane closures are anticipated.
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