The Tacoma Narrows Bridge, or “Galloping Gertie,” collapsed on November 7, 1940, just months after opening. The bridge’s deck twisted and undulated in response to strong winds, succumbing to aeroelastic flutter. This phenomenon, where aerodynamic forces matched the bridge’s natural frequency, led to its dramatic collapse into the Tacoma Narrows strait. no lives were lost in the collapse. Follow us for more @historhphotograhed | History In Pictures

Almost 95 years ago, the first traffic traveled across Navajo Bridge, a bridge that spans Marble Canyon in northern Arizona. First known as the Grand Canyon Bridge, construction began in 1927. And it was a big challenge to build. But, everything was finished in January 1929. The bridge carried motorists 467 feet above the Colorado River. The original structure still exists today, though it’s been a pedestrian bridge since 1995 when a newer bridge was built 150 feet downriver to handle the heavie

Archives: Second Narrows Bridge disaster

FOX 13 Seattle - Orcas seen swimming under Tacoma Narrows...