There are two large finger joints at the towers to accommodate all the expansion of the suspended spans. There are 11 smaller finger joints and 5 sliding joints across the Mackinac Bridge. In addition, there are 13 expansion joints for the south viaduct spans – one for each of these simple spans. This adds up to a total of 31 total joints.
- Still time to plan your walk: 2019 Mackinac Bridge Walk now two weeks awa
- Use your Mackinac Bridge Tokens while you can
- June Traffic Report
- National search yields new Mackinac Bridge Authority executive secretary close to home
- July 10 Mackinac Bridge Authority meeting available to view on LiveStream