Just north of Rossburg, SR 118 serves Eldora Speedway, a clay oval racetrack owned by NASCAR driver Tony Stewart.

The moniker changes to North Broadway near the junction with East Water Street, passing south of Treaty of Greenville State Park.

After North Main, the route is a two-lane residential street, passing numerous housing complexes on each side of the roadway.

After a junction with CR 38 (Brock–Cosmos Road), SR 118 enters the village of Rossburg, gaining the moniker of South Main Street for a block.

Just after crossing the Wabash River, the route passes the entrances to Eldora Speedway,[2] a 1/2 mile clay oval race track owned by NASCAR driver Tony Stewart.

The route continues north from SR 705 through Allen Township, bending northeast near Gibson Road and bypassing the village of Burkettsville.

SR 118 continues north through St. Henry, becoming a two-lane village street through the community, which the route leaves near Carthagena Road.

About a mile north of Pilothea, SR 118 gains the name of South Second Street and crosses into the village of Coldwater.

Passing through the small rural community of Tama, the route enters Hopewell Township and crosses an intersection with SR 707.

After Ohio City, SR 118 continues northeast through Liberty Township, turning northward at a junction with CR 70 (Wren Landeck Road).

Now in Pleasant Township, SR 118 turns northeast again, cutting through farmlands before gaining the moniker of South Shannon Street as it reaches the city of Van Wert.