Thanks for that! When I'm back at my home 'puter, I'll get that posted. It's been a while since I've been to Cheboygan, so I appreciate the addition.
Attached is a photo I took November 8, 2008: you may post it on your site. The blue sign notes that the "Bridge opens on signal", and also notifies boaters of hours of operation. For more information on other historical aspects of US-23, please visit http://www.roadtrip62.com/.