15 Unbelievable Facts You Didn't Know About the Mackinac Bridge

The Mackinac Bridge is one of the longest suspension bridges on Earth — and almost everything about it is stranger than it looks. Here are 15 things you didn't know about the Mighty Mac — and the last one still doesn't feel real. 0:00 Intro 0:56 15 – The Gap That Beat Everyone 1:42 14 – The Bedrock That Wasn't There 2:27 13 – Wider Than a Ten-Lane Freeway 3:11 12 – The First Man Lost 4:21 11 – Galloping Gertie's Warning 5:05 10 – The Bridge Is a Screen Door 5:52 9 – The Bridge Will Drive For You 6:30 8 – The Bomber Under the Bridge 7:20 7 – Thirty-Five Feet of Sway 8:03 6 – The Car the Straits Swallowed 8:40 5 – Enough Wire to Circle the Planet 9:20 4 – Fifty Stories Over the Straits 9:54 3 – The Billion-Dollar Bargain 10:30 2 – Longest in the Western Hemisphere 11:06 1 – Built Without a Single Computer 12:08 The Problem Even Steinman Couldn't Solve