St. Clair County, IL – Lane closures on eastbound Interstate 55/70 will begin Monday morning, disrupting traffic for bridge maintenance work.
According to the Illinois Department of Transportation, closures will start at 6 a.m. Monday, May 4, on eastbound I-55/70 between Illinois Route 203 and the Exchange Avenue overpass. The work is part of scheduled bridge maintenance in St. Clair County.
IDOT said the ramp from westbound Interstate 64 to eastbound I-55/70 will also be closed during the project. All affected lanes, including the ramp, are expected to reopen by 6 a.m. Wednesday, May 6.
Drivers traveling through the area should expect delays, particularly during peak commuting hours. Motorists are encouraged to plan alternate routes or allow extra travel time as crews complete the work.
The closure affects a key corridor connecting the Metro East region to downtown St. Louis, making it a frequent route for both local commuters and commercial traffic.
According to IDOT, signage will be posted to guide drivers through detours and work zones. Officials urge drivers to reduce speed and use caution when traveling near construction crews.
The temporary shutdown may also impact students and young workers commuting between Illinois and Missouri during early weekday hours.
No additional closures or extensions have been announced at this time, but schedules may change depending on weather or construction conditions.
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