(Round Barn Mailbox) SSE of Urbana, Urbana Township, Champaign County, OH. OH54 S. 5.5 miles from jct with US36 in Urbana, continue S. on Prairie Rd. 0.4 miles to the mail box on the E. side of the road at 4440. (Location of OH-11-02.) (N40 02.647 W83 42.577) Photo by Jack & June Schmidt 6-7-15.