Tennessee State Route 257

State Route 257
SR 257 highlighted in red
Route information
Maintained by TDOT
Length18.3 mi (29.5 km)
ExistedJuly 1, 1983–present
Major junctions
West end SR 49 near Coopertown
Major intersections
East end US 31W in Millersville
Location
CountryUnited States
StateTennessee
CountiesRobertson, Sumner
Highway system
SR 256 SR 258

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