--- title: Bridge Demolition is Complicated link: https://www.youtube.com/watch?v=7oi4yMr8Rjk source: youtube-com-practicalengineeringchannel published: 2026-06-16T11:37:54Z updated: 2026-09-03T15:19:27Z first_seen: 2026-09-08T10:17:10.166315Z authors: - Practical Engineering summary: |- The complex engineering involved in demolishing the I-74 Mississippi River Bridge. 🌌Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/practical-engineering 🚣Watch The Anatomy of: https://nebula.tv/realengineering/the-anatomy-of?ref=practical-engineering No shade at all to the new bridges, but honestly I think taking the old ones down was the coolest part of the entire replacement project. Watch this video ad-free on Nebula: https://nebula.tv/videos/practical-engineering-how-to-demolish-a-bridge Signed copies of my book (plus other cool stuff) are available here: https://store.practical.engineering/ Practical Engineering is a YouTube channel about infrastructure and the human-made world around us. It is hosted, written, and produced by Grady Hillhouse. We have new videos posted regularly, so please subscribe for updates. If you enjoyed the video, hit that ‘like’ button, give us a comment, or watch another of our videos! CONNECT WITH ME ____________________________________ Website: http://practical.engineering Twitter: https://twitter.com/HillhouseGrady Instagram: https://www.instagram.com/practicalengineering Reddit: https://www.reddit.com/r/PracticalEngineering Facebook: https://www.facebook.com/PracticalEngineerGrady​ Patreon: http://patreon.com/PracticalEngineering SPONSORSHIP INQUIRIES ____________________________________ Please email my agent at practicalengineering@standard.tv DISCLAIMER ____________________________________ This is not engineering advice. Everything here is for informational and entertainment purposes only. Contact an engineer licensed to practice in your area if you need professional advice or services. All non-licensed clips used for fair use commentary, criticism, and educational purposes. SPECIAL THANKS ____________________________________ Thanks to IOWA DOT, Helm Civil, and Genesis Structures for sharing information about the project. This video is sponsored by Nebula. Stock video and imagery provided by Getty Images, Shutterstock, Pond5, and Videoblocks. Video by Grady Hillhouse Edited by Wesley Crump Produced by Ralph Crewe Graphics by Nebula Studios MUSIC CREDITS ____________________________________ Keyless Entry from Epidemic Sound Practical Engineering Theme composed by Caleb Winters (https://beacons.ai/calebwinters) Woodland Expedition composed by Caleb Winters (https://beacons.ai/calebwinters) Water and Light composed by Caleb Winters (https://beacons.ai/calebwinters) Tonic and Energy by Elexive is licensed under a Creative Commons Attribution License Source: https://www.youtube.com/watch?v=U6fBPdu8w9U content: extracted html: 2026-06-16-bridge-demolition-is-complicated.html preview: file: 2026-06-16-bridge-demolition-is-complicated.preview-54f9701c1028.webp width: 256 height: 192 color: '#6a6a66' images: - source: https://i.ytimg.com/vi/7oi4yMr8Rjk/maxresdefault.jpg original: file: 2026-06-16-bridge-demolition-is-complicated.image-b0be3086af9c.jpg width: 1280 height: 720 variants: - file: 2026-06-16-bridge-demolition-is-complicated.image-259fd0703670.webp width: 48 height: 27 color: '#b6b6b9' extra: thumbnail: https://i4.ytimg.com/vi/7oi4yMr8Rjk/hqdefault.jpg --- The complex engineering involved in demolishing the I-74 Mississippi River Bridge.\ 🌌Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/practical-engineering\ 🚣Watch The Anatomy of: https://nebula.tv/realengineering/the-anatomy-of?ref=practical-engineering No shade at all to the new bridges, but honestly I think taking the old ones down was the coolest part of the entire replacement project. Watch this video ad-free on Nebula: https://nebula.tv/videos/practical-engineering-how-to-demolish-a-bridge Signed copies of my book (plus other cool stuff) are available here: https://store.practical.engineering/ Practical Engineering is a YouTube channel about infrastructure and the human-made world around us. It is hosted, written, and produced by Grady Hillhouse. We have new videos posted regularly, so please subscribe for updates. If you enjoyed the video, hit that ‘like’ button, give us a comment, or watch another of our videos! CONNECT WITH ME\ \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\ Website: http://practical.engineering\ Twitter: https://twitter.com/HillhouseGrady\ Instagram: https://www.instagram.com/practicalengineering\ Reddit: https://www.reddit.com/r/PracticalEngineering\ Facebook: https://www.facebook.com/PracticalEngineerGrady​\ Patreon: http://patreon.com/PracticalEngineering SPONSORSHIP INQUIRIES\ \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\ Please email my agent at practicalengineering@standard.tv DISCLAIMER\ \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\ This is not engineering advice. Everything here is for informational and entertainment purposes only. Contact an engineer licensed to practice in your area if you need professional advice or services. All non-licensed clips used for fair use commentary, criticism, and educational purposes. SPECIAL THANKS\ \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\ Thanks to IOWA DOT, Helm Civil, and Genesis Structures for sharing information about the project.\ This video is sponsored by Nebula.\ Stock video and imagery provided by Getty Images, Shutterstock, Pond5, and Videoblocks.\ Video by Grady Hillhouse\ Edited by Wesley Crump\ Produced by Ralph Crewe\ Graphics by Nebula Studios MUSIC CREDITS\ \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\ Keyless Entry from Epidemic Sound\ Practical Engineering Theme composed by Caleb Winters (https://beacons.ai/calebwinters)\ Woodland Expedition composed by Caleb Winters (https://beacons.ai/calebwinters)\ Water and Light composed by Caleb Winters (https://beacons.ai/calebwinters)\ Tonic and Energy by Elexive is licensed under a Creative Commons Attribution License\ Source: https://www.youtube.com/watch?v=U6fBPdu8w9U