The chances of getting breast cancer increase with age, and the disease is much more likely after age 50 than before. So, from a public health and cost-effectiveness perspective, annual screening mammograms do the most good after age 50.
Mackinac Bridge. Mackinac Bridge. The Mackinac Bridge is located on Interstate 75 in northern Michigan at the Straits of Mackinac.The iconic bridge connects Michigan's upper and lower peninsulas. Mackinaw City is located at the south end of the bridge, while St. Ignace is located at the north end.
Ferry service to Mackinac Island operates from Mackinaw City & St. Ignace, Michigan. There are several lines & each provides parking & assistance with luggage. If you are traveling north on I-75, take exit #337 & follow the signs to either the Sheplers, Star Line or Arnold Line docks in Mackinaw City.