The route begins at an intersection with SR 117 southwest of Lumber City.

SR 149 continues to the northeast until it meets its northern terminus, an intersection with US 280/SR 30 southwest of Alamo.

It begins at an intersection with the mainline SR 149 southeast of McRae and travels in a nearly straight northwest direction.

The route ends at its northern terminus, where it intersects with US 319/US 441/SR 31 south of McRae.

[2] Despite its limited reach and local importance, the connector serves as a link between significant regional routes, providing access to the broader highway network surrounding McRaeThe entire route is in Telfair County.