After Galloping Gertie collapsed in 1940, its twisted steel created a thriving underwater world. Now it’s at risk.

The winds were blowing at 40 mph (64 km/h) across the Tacoma Narrows strait when "Galloping Gertie" began to bounce. The Tacoma Narrows Bridge, which connected Tacoma, Washington, with the Kitsap ...

On Nov. 7, 1940 — 85 years ago Friday — the Tacoma Narrows Bridge twisted and danced in a 40 mph windstorm and then collapsed. The failure of a bridge only four months old was a spectacular lesson for ...

On Nov. 7, 1940, the Tacoma Narrows Bridge collapsed into the strait of Puget Sound. The jaw-dropping moment was captured in stunning detail on black and white video. See it for yourself and learn why ...

The Tacoma Narrows Bridge disaster serves as a powerful lesson in engineering and aerodynamics. The collapse on November 7, 1940, stands as one of the most dramatic and instructive engineering ...

CC0 Usage Conditions ApplyClick for more information. On November 7, 1940, the bridge spanning the Tacoma Narrows Strait of Puget Sound collapsed after moving dramatically up and down during high ...

It was supposed to be a modern marvel — sleek, strong, and a symbol of progress. Instead, the Tacoma Narrows Bridge became one of the most infamous engineering failures of all time. Just four months ...

History is littered with painful reminders of scaling laws that broke. A classic example is the collapse of the Tacoma ...