MILLSTADT – The Illinois Department of Transportation announced today that Illinois 163 will be reduced to one lane 2.4 miles north of Illinois 158 at Prairie DuPont Creek in St. Clair County beginning Monday, July 13, weather permitting, for bridge maintenance. Flaggers will maintain two-way traffic.
The work is expected to be completed by the end of July.
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.
For IDOT District 8 updates, follow us on the social media platform X at @IDOTDistrict8 or view area construction details on IDOT’s traveler information map on GettingAroundIllinois.com.
