Starting at US 41-441 near Interstate 75 as Yukon Street, it is in Columbia County for 1 and a half miles. Next, it crosses a bridge over the Olustee Creek, one of the rivers in the Suwannee River basin and enters Union County. It first intersects County Road 245, then County Road 241, then County Road 791, and finally County Road 239. The road becomes Southwest Second Street upon entering the city limits and county seat, of Lake Butler, then turns north at the intersection with State Road 231 at Southwest Sixth Avenue. SW 2nd Street continues as a city street for two more blocks to Southwest Fourth Avenue. It travels north 0.1 miles (0.2 km) serving as the western terminus of the Palatka-Lake Butler State Trail before ending at State Road 100. It becomes County Road 238 after State Road 100.
County Road 238 is a county road that is 9 miles (14 km) long from Lake Butler to County Road 229 near Baker County. It is accessible to Lake Butler from the north. There are no main junctions on this route.