Parts of the Mackinac Bridge Are Still Up For Auction

History lovers have a chance to own pieces of the original Mackinac Bridge.

Parts of the bridge’s steel grating are being placed on the auction block.

Barrels that weight about 470lbs and contain 140 pieces of grating are on sale until May 18th.

Dozens of bids have already been placed with prices as high as $500 a barrel.

The Mackinac Bridge Authority says the bridge is the third-longest suspension bridge in North America.