 The state highway heads northeast as Briery Branch Road, which crosses Hone Quarry Run and follows Briery Branch east through its gap in Narrow Back Mountain.SR 257 veers away from the creek, exits the national forest, and enters the Shenandoah Valley.The state highway heads southeast to the community of Briery Branch, where the highway has a pair of right-angle turns at disjoint sections of SR 731, which heads south as Community Center Road and north as Daniel Cupp Road.