This 1958 film celebrated the construction of the Mackinac Bridge. It's a nice little 10 minute look at how the bridge came to be built. 55 years ago this Friday, the Mackinac Bridge was officially dedicated. While the bridge opened on, November 1, 1957, it was not officially dedicated until the following summer on June 28, 1958.
When you watch this video and realize just how much went into building the Mackinac Bridge - it's amazing to me to think that this was completed so quickly.