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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.
^ Milepost Map of Bibb, Chilton & Shelby Counties (PDF) (Map). Cartography by ALDOT Bureau of Transportation Planning, Survey & Mapping Division. Alabama Department of Transportation. 1999. Archived from the original (PDF) on 2008-06-25.