The City of Joliet Police Department issued the following announcement on May 9.
@IDOT_Illinois announced that the below listed Joliet bridges will require work in May & will be Closed. Plan for alternate routes & expect delays.
Cass St Bridge = May 11-15
Jefferson St Bridge = May 18-22
McDonough St Bridge = May 26-29
Original source can be found here.
Source: The City of Joliet Police Department