The SUV hit a ditch and went airborne over the ramp from state Route 63 to I-75, crashing down onto the right lanes of northbound I-75 below. The SUV then went across the northbound lanes, hit the concrete median and went over it before coming to rest on the southbound side of the highway, the patrol said.
Hernandez was flown by CareFlight to Miami Valley Hospital with life-threatening injuries.
Her passenger, Melvin D. Horton, 75, of Celina, was taken by ambulance to West Chester Hospital - UC Health, where he died.
The southbound lanes were closed at Ohio 63 along with the far left lane of I-75 North following the crash, according to the patrol’s Lebanon Post.
The highway patrol was assisted on scene by the Monroe Police Department, Monroe Fire Department and EMS, Liberty Township Fire Department, CareFlight Air and Mobile Services, Butler County Coroner’s Office and Jacob’s Towing.
The crash remains under investigation, the OSHP said.