The Illinois Department of Transportation plans to close the Emerson Street bridge over the North Shore Channel on Monday, April 28.
The bridge will remain closed until the bridge replacement project is completed at the end of October.
Eastbound traffic will detour on McCormick Boulevard south to Dempster Street, east to Dodge Avenue and north back to Emerson.
Westbound traffic will use Dodge Avenue, Dempster Street and McCormick Boulevard to return to Emerson.
City officials suggest drivers take alternate routes to avoid congestion.
The contractor on the $4.1 million project is Albin Carlson & Company.