Ohio State Route 331
| Route information | ||||
|---|---|---|---|---|
| Maintained by ODOT | ||||
| Length | 18.48 mi (29.74 km) | |||
| Existed | 1932–present | |||
| Major junctions | ||||
| West end | US 22 near Holloway | |||
| I-70 near Saint Clairsville | ||||
| East end | US 40 near Saint Clairsville | |||
| Location | ||||
| Country | United States | |||
| State | Ohio | |||
| Counties | Harrison, Belmont | |||
| Highway system | ||||
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State Route 331 (SR 331, OH 331) is an east–west state highway in the eastern portion of the U.S. state of Ohio. State Route 331 has its western terminus at U.S. Route 22 approximately 4 miles (6.4 km) northwest of the village of Holloway. Its eastern terminus is at a signalized intersection with U.S. Route 40 nearly 2.75 miles (4.43 km) west of Saint Clairsville, and immediately south of Exit 213 off of Interstate 70.