The Illinois Department of Transportation has announced I-57 traffic will be closed during overnight hours this week. The interstate will close from 8 pm until 5:30 am while work crews install I-beams for a new bridge under construction on Larry Power Road. Southbound traffic will follow a detour from Bourbonnais Parkway to Route 50 then return to the interstate at exit ramp 315. The northbound traffic will direct to Route 50 to Bourbonnais parkway. Motorists are advised to use caution.