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.
- August Traffic Report
- Gov. Whitmer appoints Amy Trahey to the Mackinac Bridge Authority
- 30,000 walk the Mighty Mac on Labor Day
- July Traffic Report
- Labor Day and the Mackinac Bridge Walk just a week away