SR 147 begins at an intersection with U.S. Route 1 (US 1)/SR 4/SR 15 north of its crossing of the Altamaha River in southern Toombs County.

The road heads to the northeast to an intersection with SR 178.

The two highways run concurrent for 4.1 miles (6.6 km).

It then heads northeast to its eastern terminus an intersection with US 280/SR 30 in Reidsville.

[1] SR 147 is not part of the National Highway System.