Act 354 of 1925 - Bridges and Culverts (254.1 - 254.32)

Act 398 of 1919 - Bridges Over Navigable Waters (254.51 - 254.67)

Act 181 of 1921 - Bridge Across Portage Lake (254.101 - 254.107)

Act 84 of 1959 - Easement for Bridge in Mackinac County (254.141 - 254.142)

Act 147 of 1935 - State Bridge Commission; Public Works (254.151 - 254.167)

Act 11 of 2010 - Blue Water Bridge Plaza Expansion Oversight Reporting Act (254.191 - 254.192)

Repealed - Act 237 of 1935 - International Bridge Authority (254.201 - 254.216)

Act 99 of 1954 - International Bridge Authority (254.221 - 254.240)

Act 21 of 1950 (Ex. Sess.) - Mackinac Bridge Authority (254.301 - 254.304)

Act 214 of 1952 - Mackinac Bridge Authority (254.311 - 254.332)

Act 13 of 1966 - Refunding Bonds of Mackinac Bridge Authority; Transfer of Authority to State Highway Department (254.361 - 254.372)