Mackinac Bridge Authority

Spanning the Straits of Mackinac since 1957

Why we close the bridge for falling ice

Posted on April 12th, 2017
  Each winter, ice forms on the cables and towers of the Mackinac Bridge, usually from freezing rain. When winds increase or temperatures rise, that ice can dislodge suddenly, sending sheets or spears of ice cascading down to the bridge deck below. “Ice falling from the bridge towers and cables can fall more t… Read More

Mackinac Bridge north tower to get a new paint job

Posted on March 30th, 2017
           For the first time in its 60-year history, one of the Mackinac Bridge’s iconic ivory towers will be stripped down to bare metal and repainted.
           Beginning April 6, con… Read More

Autumn seasonal maintenance on the Mighty Mac

Posted on November 22nd, 2016
               Mackinac Bridge Authority (MBA) maintenance supervisor Ned McLennan has several jackets in his office – a black canvas coat and a safety yellow jacket among them – but all of them are streaked with ivory and green… Read More

Rescued bald eagle to launch his reintroduction from the Mackinac Bridge

Posted on September 26th, 2016
First he was simply called “The Manistee Eagle,” indicating the county where he was rescued. Now he’s dubbed “Mighty Mac” in honor of the location where he’ll be released back into the wild on Tuesday, Oct. 4. The Mackinac Bridge Authority (MBA) is assisting in the release of… Read More

Mighty Mac chosen as platform for innovative technology

Posted on September 12th, 2016
Some engineering professors had an idea to monitor bridges with sensors powered with the vibrations generated by traffic. Think self-winding watch. Those professors, including one at Michigan State University, think they have mastered the technology. But they needed a real-world platform to try it out. Enter B… Read More

55th Annual Bridge Walk another success

Posted on September 5th, 2012
55th Annual Bridge Walk another success Approximately 45,000 walkers crossed the Mackinac Bridge on a gorgeous Labor Day this year – up 25 percent from last year despite record-high holiday gas prices. Prior to the walk, a handful of runners celebrated the Pure Michigan FIT campaign and hit the bridge deck to… Read More

Snyder reappoints Gnodtke and Musser to Mackinac Bridge Authority

Posted on July 20th, 2012
Snyder reappoints Gnodtke and Musser to Mackinac Bridge Authority Gov. Rick Snyder today announced the reappointments of William Gnodtke, of Charlevoix, and Dan Musser, of Petoskey and Mackinac Island, to the Mackinac Bridge Authority. Established in 1950, the seven-member Mackinac Bridge Authority authori… Read More

Mackinac Bridge to “Light It Blue” April 2 for autism awareness

Posted on March 23rd, 2012
Mackinac Bridge to “Light It Blue” April 2 for autism awareness Fast Facts:
– “Light It Blue Michigan” autism-awareness campaign begins April 2.
– Special bridge-viewing ceremony begins at 8 p.m. at the St. Ignace Country Club; Mackinac Bridge officials will “Ligh… Read More

Mackinac Bridge passenger vehicles tolls to be $4 starting Jan. 1

Posted on December 13th, 2011
Mackinac Bridge passenger vehicles tolls to be $4 starting Jan. 1 Effective Sunday, Jan. 1, 2012, the following rates will go into effect (per crossing): – Auto/passenger vehicle: $4; vehicle with trailer: $2 per axle
– Commuter: $2*
– Other, including commercial trucks and motor homes: $5 per… Read More
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Mackinac Bridge Authority
N 415 I-75 St Ignace, MI 49781 (906) 643-7600
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