Tennessee State Route 257

State Route 257 is an east–west secondary state highway that traverses southern Robertson and western Sumner counties in Middle Tennessee.

Route description

SR 257 originates at Tennessee [State Route 49|SR 49] near Coopertown. It traverses mainly rural areas of southern Robertson County, including its meeting with U.S. [Route 431 in Tennessee|US 431]. It crosses U.S. [Route 41 in Tennessee|US 41] at Ridgetop.
SR 257 then closely follows the Robertson–Sumner county line along its way to the Interstate [65 in Tennessee|I-65] interchange. SR 257 ends at its junction with US 31W at Millersville, on the Sumner County side of the county line.