Missouri Route 80Route 80 is a state highway in southeastern Missouri. The route is located in northern New Madrid and central Mississippi Counties.Route descriptionRoute 80's western terminus is at U.S. Route 61/62 near Matthews, which is located midway between Sikeston and New Madrid, with a junction with I-55 located about a mile to the east. East Prairie is the only other town on the highway. Its eastern terminus is a dead end at the Mississippi River in Belmont.HistoryAt Belmont, there used to be a ferry connecting Route 80 to Kentucky Route 80, which is a major east-west thoroughfare across southern Kentucky, continuing into Virginia, as Virginia State Route 80. The toll ferry service was discontinued in 1984.