Tennessee State Route 257

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

State Route 257
SR 257 highlighted in red
Route information
Maintained by TDOT
Length	18.3 mi[1][2] (29.5 km)
Existed	July 1, 1983[3]–present
Major junctions
West end	SR 49 near Coopertown
Major intersections	US 431 south of Springfield US 41 in Ridgetop I-65 in Millersville
East end	US 31W in Millersville
Location
Country	United States
State	Tennessee
Counties	Robertson, Sumner
Highway system
Tennessee State Routes Interstate US State
← SR 256 → SR 258

Route description

SR 257 originates at SR 49 near Coopertown. It traverses mainly rural areas of southern Robertson County, including its meeting with US 431. It crosses US 41 at Ridgetop.^[1][4]

SR 257 then closely follows the Robertson–Sumner county line along its way to the I-65 interchange. SR 257 ends at its junction with US 31W at Millersville, on the Sumner County side of the county line.^[1][2]

Major intersections

County	Location	mi	km	Destinations	Notes
Robertson	Coopertown	0.0	0.0	SR 49 – Pleasant View, Springfield	Western terminus
	​			US 431 (Tom Austin Highway/SR 65) – Springfield, Joelton
	Ridgetop			US 41 (SR 11) – Goodlettsville, Greenbrier
	Millersville			I-65 – Nashville, Louisville	I-65 exit 104
Sumner		18.3	29.5	US 31W (Louisville Highway/SR 41) – Goodlettsville, White House	Eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi