Its eastern terminus is at State Route 7 near Bellaire, with its western terminus at SR 78 in Noble County, Ohio.
The highway passes near Senecaville Lake near Batesville.
[2] SR 147 was commissioned in 1923, along its current route.
[3][4] In 1930, the western terminus was moved to an intersection to the newly commissioned SR 146, in Sarahsville.
[5][6] The western terminus was moved back to its current location in 1932.