Most of the route is a rural two-lane highway and passes through both farmland and residential properties.

The route heads through the north side of downtown Ottawa as a two-lane highway with a center turn lane, passing through a mix of residential and commercial properties.

After the intersection with SR 613 the road crosses a Norfolk Southern Railroad track and makes a sharp turn due east.

The road enters Hamler from the south, passing through residential properties and has an at-grade crossing with CSX Railroad tracks.

The concurrency passes under a railroad track owned by the Indiana and Ohio Railway.

After turning the east the route curves northwest and passes the central business distract area of the village.

The highway leaves Liberty Center and enters rural Henry and Fulton Counties, passing through farmland.

West of Delta the road passes under a railroad track and the concurrency ends with SR 109 turning due north.

SR 109 heads north through rural farmland, passing over the Ohio Turnpike.