It runs from its western terminus at a Y-intersection with SR 146 nearly 1.75 miles (2.82 km) northeast of Cumberland to its eastern terminus at a T-intersection with SR 821 about 3 miles (4.8 km) southwest of the village of Pleasant City.

It begins at an intersection with SR 146 northeast of Cumberland in Spencer Township.

From this intersection, it runs to the northeast up an incline before turning to the east-southeast and leveling off, passing amidst a blend of open fields and forest, with a few homes also along the way.

After bending to the east and then back to the southeast, it passes into Noble County, going a short distance through Buffalo Township prior to its endpoint at a T-intersection with SR 821.

Throughout its lifespan, the highway has utilized the same routing through portions of Guernsey and Noble Counties.