Problems listening to this file? See media help.

The Tacoma Narrows Bridge was opened on July 1, 1940, and due to a physical phenomenon known as aeroelastic flutter the bridge collapsed on November 7, 1940, at 11:00 am (Pacific time).

Recently selected: U.S. Route 20A and New York State Route 15 • Puerto Rico Highway 139 • I-35W Mississippi River bridge collapse video