The width of the roadway is 54 feet. The outside lanes are 12 feet wide (2), the inside lanes are 11 feet wide (2), the center mall is 2 feet wide, and the catwalk, curb and rail width is 3 feet on each side – totaling 54 feet. The stiffening truss width in the suspended span is 68 feet wide making it wider than the roadway it supports.
- 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
- June Traffic Report