The hidden engineering of floating bridges

Discover the innovative engineering behind floating bridges in this fascinating video by Practical Engineering. Explore the history, design, and technical challenges of these unique structures—from Homer Hadley’s groundbreaking pontoon concept to the modern marvels of Washington State’s longest floating bridges. Learn how pontoons support roadways, how anchors and watertight chambers keep them safe, and how motion compensation enables railway tracks on floating spans. The video also covers surprising failures, leak prevention strategies, and the future of floating infrastructure, including proposed floating tunnels in Norway. A must-watch for infrastructure enthusiasts and engineering lovers alike.