Act 354 of 1925 Bridges and Culverts
Act 398 of 1919 Bridges Over Navigable Waters
Act 181 of 1921 Bridge Across Portage Lake
Act 84 of 1959 Easement for Bridge in Mackinac County
Act 147 of 1935 State Bridge Commission; Public Works
Act 11 of 2010 Blue Water Bridge Plaza Expansion Oversight Reporting Act
Act 99 of 1954 International Bridge Authority
Act 21 of 1950 Mackinac Bridge Authority
Act 214 of 1952 Mackinac Bridge Authority
Act 13 of 1966 Refunding Bonds of Mackinac Bridge Authority; Transfer of Authority to State Highway Department