Joplin police area asking drivers in Jasper and Newton counties to avoid U.S. Highway 71 at 32nd Street south of I-44 for a few hours on Monday.
Police said a tractor trailer overturned on the ramp from 32nd Street (FF Highway) to northbound U.S. 71 at about 1:14 p.m. on Monday.
The driver received minor injuries in the accident.
Police said at 3 p.m. that there was only one lane open on northbound U.S. 71 at 32nd Street and the ramp from 32nd Street to U.S. 71 was closed and would be for about five to seven hours.
Joplin police were helping MoDOT maintain traffic flow in the area.