Ohio State Route 325
State Route 325 (SR 325) is a north–south state highway in the southeastern corner of the U.S. state of Ohio. The southern terminus of SR 325 is at SR 141 about south of Rio Grande. Its northern terminus is at a T-intersection with SR 124 approximately west of the village of Rutland. Route description. The path of SR 325 takes it through the counties of Gallia and Meigs. No stretch of this highway is included as a part of the National Highway System, a network of routes that are considered most important for the  nation's economy, mobility and defense. History. SR 325 was designated in 1932. Originally, the highway was routed between its current southern terminus at SR 141 and the current SR 588 junction in Rio Grande, which at the time was designated as State Route 11, the predecessor to US 35. In 1937, SR 325 was extended northerly and easterly to its current northern terminus at SR 124.