The Kinzua bridge in Pennsylvania, USA, was once considered the tallest rail bridge in the world. However, a small but catastrophic mistake made the famous bridge fall from grace. Subscribe to Discovery UK for more great clips: http://www.youtube.com/subscription_center?add_user=DiscoveryTV Follow Discovery UK on Twitter: Tweets by DiscoveryUK
Happiest day of my life? Yeah right! ►►► Submit your videos for the chance to be featured 🔗 https://www.failarmy.com/pages/submit-video ▼ Follow us for more fails! https://linktr.ee/failarmy Catch all our shows streaming today ➝ https://www.failarmy.com/pages/watch-live FailArmy is the world’s number one source for epic fail videos and hilarious compilations. We’re powered by fan submissions and feedback…