(Skywalk, 325', 1987, 22-81-(a) across Glen Av. at the University of Michigan in Ann Arbor, Washtenaw County, MI. I94B (Huron St.) E. 2.5 miles from jct with I94 exit 172 on the W. side of Ann Arbor, N. on Glen Av. 0.15 miles to the bridge. (3-11-06, N42° 17.01', W83° 44.13') Photos by Mark Comstock.