22 World's Most Terrifying Bridges That Will Test Your Courage

12. Seven Mile Bridge, Florida

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Extending across the blue-green waters of the Florida Keys, the Seven Mile Bridge is one of the world's longest bridges. Linking Knight's Key to Little Duck Key, it provides wide views of the Atlantic Ocean and the Gulf of Mexico. On peaceful days, the drive is calm, but when storms approach, the exposed bridge becomes a dramatic and sometimes hazardous route.