sentences:  After a brief concurrency with US 183 north, it turns east and briefly overlaps Nebraska Highway 137 before continuing eastward to another concurrency with Nebraska Highway 11 in Butte.It goes south out of Butte, then turns east and meets U.S. Highway 281 in Spencer, which it also overlaps.It continues eastward through the tribal lands of the Ponca Tribe of Nebraska and around the edge of Niobrara State Park.