One person is dead after a crash on southbound I-71 in Clinton County, Ohio State Highway Patrol said Tuesday night.Officials said a two-vehicle crash just after 6 p.m. near mile marker 50, about a half-mile away from the State Route 68 exit, shut down all lanes of I-71 South. An initial investigation found a man driving a 2017 Subaru Legacy hit a 2022 Ram pick-up truck. The impact forced the Ram into the right lane and the Subaru into the median.The Subaru driver and their 18-year-old passenger were taken to Clinton Memorial Hospital after the crash. The passenger, identified as Makell Rhinehart, was pronounced dead.All northbound lanes of I-71 were also shut down nearby, before the State Route 68 exit, due to a crash that caused 53,000 pounds of granite to fall on the interstate. Those lanes have also reopened.