Before nearby Highway 371 was rebuilt as a four-lane freeway on its new alignment between the city of  Little Falls to just north of Camp Ripley Junction, the eastern terminus of Highway 115 at Highway 371 was previously a 3-way "Y" intermixed with railroad tracks.
Before Highway 371 was revamped into a four-lane road along its new path from Little Falls to just north of Camp Ripley Junction, the endpoint of Highway 115 at Highway 371 was formerly a complex 3-way intersection merged with railroad tracks.