Drivers in the Fond du Lac area should expect delays this morning after a crash shut down part of Interstate 41.Crews responded just before 5:30 a.m. to an overturned semi on the northbound ramp from Wisconsin 67 to I41 North. T he ramp is currently closed, and the right shoulder of I41 North is blocked.The Wisconsin Department of Transportation reports the crash was first reported around 5:21 a.m.Drivers are urged to plan extra travel time and consider alternate routes.Theres no immediate word on how long the closure will last. Additional updates will be provided as new information becomes available.Please stay with NBC 26 as this story develops. ...read more read less