Detroit International Bridge Co.
P.O. Box 32666
Detroit, MI 48232
Bicyclists are prohibited.
Blue Water Bridge
MI Department of Transportation
1410 Elmwood Street
Port Huron, MI 48060
Riders and bicycles will be transported at the convenience of the Authority.
International Bridge Administration
934 Bridge Plaza
Sault Ste. Marie, MI 49783
Bikes allowed, subject to current toll rates.
Mackinac Bridge Authority
P.O. Box 217
St. Ignace, MI 49781
Riders and bicycles will be transported at the convenience of the Authority. Upon arriving at the bridge (Toll Plaza on north end, pay phone on south end), contact the Authority and inform them of your needs.
Groups of 10 or more contact the Authority at least 24 hours prior to anticipated arrival.