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
- 25,000 walk the Mackinac Bridge on Labor Day
- July Traffic Report
- One week to go until the 2018 Annual Bridge Walk
- New text alerts sign-up for Mackinac Bridge annual walk