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.
- February Traffic Report
- Innovative sensor testbed expansion slated for Mighty Mac
- January Traffic Report
- Tuesday's Mackinac Bridge Authority meeting cancelled due to approaching storm
- Feb. 12 Mackinac Bridge Authority meeting available to view on LiveStream