Grating sections are approximately 5½ feet wide by 38 feet and about 5 inches deep, with each piece weighing about 2 tons.
The Mackinac Bridge Authority is using an online auction site to sell seven individual, identical pieces of grating.
Have you ever wanted to own a piece of the Mackinac Bridge? This auction is for you! The Mackinac Bridge Authority is auctioning off pieces of what they’re calling “vintage steel deck grating” from ...