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.
- September Traffic Report
- Mackinac Bridge Authority approves escort fees for oversize commercial vehicles
- August Traffic Report
- Mackinac Bridge Authority meets Nov. 3 in Traverse City
- July Traffic Report