Ohio State Route 590
State Route 590 is a north-south state highway in the northwestern portion of the U.S. state of Ohio. The southern terminus of SR 590 is at a signalized intersection with Ohio [State Route 12|SR 12] in the village of Bettsville. Its northern terminus is at a T-intersection with SR 2 just south of Ottawa [National Wildlife Refuge], and approximately north of Rocky [Ridge, Ohio|Rocky Ridge].