High Quality Content by WIKIPEDIA articles! State Highway 85 (abbreviated SH-85 or OK-85) is a state highway in the northeastern part of the U.S. state of Oklahoma. The highway is 13.3 miles (21.4 km) long. SH-85 provides access to the northwest shore of Grand Lake, a major recreation center for northwest Oklahoma. SH-85 has one lettered spur highway, SH-85A.