 At the eastern terminus of Georgia State Route 242 US 221/319 officially enters Bartow, the crosses a bridge over the Williamson Swamp Creek.Immediately after crossing a railroad line and curving to the right, US 221/SR 171 makes a left turn onto Church Street, officially leaving the concurrency with US 319/SR 78, as US 319 heads to Wadley, and SR 78 heads toward Midville.Continuing along Church Street north of Bartow, US 221/SR 171 stays relatively north as it curves back and forth through western Jefferson County, passing through a few agricultural areas, and residential zones, as well as the occasional church, but mainly forestland with some wetlands hidden in the trees.