Alabama State Route 157
Its southern terminus is at an intersection with U.S. Route 278 (US 278) approximately 10 miles (16 km) east of Cullman, where it continues as County Road 719.Throughout North Cullman, SR 157 is oriented in an east-to-west trajectory, passing by a large Buick/GMC dealership at its junction with U.S. 31, then past several restaurants, and ultimately reaching I-65.It crosses the line into Lawrence County and shortly junctions with SR 36, which leads to Hartselle and Wren.Past this point, the route crosses the Tennessee River and the Lauderdale County line.Eventually, it turns off of the concurrency and heads north, crossing the Tennessee state line directly beside the Natchez Trace Parkway.