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.
- Is the Mackinac Bridge still the longest suspension bridge in the world?
- June Traffic Report
- Mackinac Bridge Authority to meet virtually Friday
- May Traffic Report
- MacPass windshield stickers remain free until July 1