DULUTH — A full closure of Interstate 35 will begin at 10 p.m. Monday, Aug. 17, and will remain in place until 5 a.m. Tuesday, Aug. 18, as the Minnesota Department of Transportation works to replace beams for the pedestrian bridge over I-35. During the closure, vehicle traffic will be detoured on I-535 to Garfield Avenue to Railroad Street to Fifth Avenue West. ADVERTISEMENTMore information can be found on the project website with pedestrian detour maps and additional project details. Travelers can plan ahead and see updated road closures and traffic conditions at 511mn.org .