The highway's southern terminus is at a T-intersection with SR 146 in the unincorporated community of Nashport.

The highway's northern terminus is at a Y-intersection with SR 13 in Mount Vernon.

No portion of this highway is included as a component of the National Highway System, a network of routes identified as most important for the nation's economy, mobility and defense.

It was established along the routing between SR 146 in Nashport and SR 13 in Mount Vernon that it utilizes today.

No changes of major significance have taken place to the highway since its designation.