Arkansas Highway 57

Highway 57 (AR 57, Ark. 57, and Hwy. 57) is a north–south state highway in Southwest Arkansas. The route of 39.38 mi begins at US Highway 82 (US 82) at Marysville and runs north to Highway 24 in Chidester. The route is maintained by the Arkansas State Highway and Transportation Department (AHTD).

Route description
The route begins at US 82 at Marysville in western Union County near the Columbia County line. A minor route in the rural Arkansas Timberlands, almost all of the route saw an average daily traffic count of under 1000 vehicles per day in 2014.

Highway 57 runs north from US 82 to Highway 160 before turning west and entering Columbia County. The highway runs briefly through the northeast corner of the county, and does not have any state highway junctions in Columbia County. Entering the southwest corner of Ouachita County, Highway 57 enters Stephens, where it intersects US 79. A brief overlap with US 79 begins northward toward Camden, but Highway 57 turns west north of downtown Stephens. Continuing north, Highway 57 has intersections with Highway 332 at Troy, US 278, and Highway 76/Highway 387 near White Oak Lake State Park. The route intersects Highway 24 in Chidester, where it terminates.

History
Highway 57 was created during the 1926 Arkansas state highway numbering as a route between State Road 2 (now US 82) and State Road 3 (now US 79) at Stephens. The route was extended north from Stephens to Highway 4 (now US 278) on July 10, 1957, and north to Chidester on April 24, 1963.

Major intersections
Mile markers reset at concurrencies.