The trucker left the roadway around 4:30 p.m. Monday.
The crash was reported just after 3:30 p.m. Monday.
The road is closed for an extended period of time.
The semi driver sustained non-critical injuries.
The crash happened just before 2 p.m. in Cass County.
The collision happened south of Glenwood in Pope County.
The frightening scene unfolded just before 6 p.m.