UPDATE: WisDOT says the closure is estimated to last over 2 hours as of 12:26 p.m. CT Tuesday.ORIGINAL REPORTING: Highway 41 northbound at Richmond Street is closed due to a crash, according to the Wisconsin Department of Transp ortation (WisDOT) and the Appleton Police Department.According to the DOT, all northbound lanes on I-41 at WIS 47 (Richmond Street) is closed due to a crash. Police say to expect delays in the area, and neighbors are asked to use alternative routes.The closure is estimated to last for about an hour, according to the DOT.This is a developing story. ...read more read less