State Route 139 (SR 139) is a 19.856-mile (31.955 km) state highway that serves as a north–south connection between Maplesville and the Montevallo area.

It travels through parts of Chilton, Bibb, and Shelby counties.

The southern terminus is an intersection with SR 22 in Maplesville, and its northern terminus is at an intersection with SR 25 southwest of Wilton.

[2] From this point, it follows a generally northerly course through Bibb County, and travels through Randolph and Brierfield, en route to its northern terminus, an intersection with SR 25 southwest of Wilton in Shelby County.

This Alabama road or road transport-related article is a stub.