Overnight traffic diversions on I-57 in Mount Vernon for Illinois 15 overpass construction

MOUNT VERNON – The Illinois Department of Transportation today announced that Interstate 57 traffic in Jefferson County will be diverted overnight Monday, June 1, through Wednesday, June 3, for structural steel placement on the Illinois 15 overpass.

Closures are scheduled nightly from 7 p.m. to 7 a.m., weather permitting.

Traffic will be routed around the work zone using the entrance and exit ramps at the Mount Vernon interchange.

Flaggers will be on site during overnight operations to direct traffic and assist motorists through the interchange.

In the event of inclement weather or unforeseen delays, the work will be rescheduled.

Motorists should expect delays and are encouraged to use alternate routes during this closure. Drivers are urged to reduce speed, be alert for changing conditions, obey all construction signage, and refrain from using mobile devices while approaching and traveling through the work zone.

Over the next six years, IDOT is planning to improve 7,107 lane miles of highway and 8.4 million square feet of bridge deck as part of Rebuild Illinois, which is investing $33.2 billion into all modes of transportation. Accomplishments through Year Six of Rebuild Illinois include almost $20.8 billion of improvements statewide to 21,309 lane miles of highway, 815 bridges and 1,181 additional safety improvements.

For IDOT District 9 updates, follow us on the social media platform X at @IDOTDistrict9 or view area construction details on IDOT’s traveler information map on GettingAroundIllinois.com.

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