 North of Vanderbilt, I-75 enters southern Cheboygan County, assuming the G. Mennen Williams Freeway name.I-75 continues northward through Cheboygan County, passing the community of Indian River and spanning the river of the same name.North of town, the freeway traverses the area between Burt and Mullett lakes before intersecting the southern end of M-27; that highway provides access to Topinabee and Cheboygan.