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The Tacoma Narrows Bridge, with a main span of 2,800 feet (850 m), was the third-longest suspension bridge in the world at that time, following the George Washington Bridge between New Jersey and New York City, and the Golden Gate Bridge, connecting San Francisco with Marin County to its north.
Moisseiff called the Tacoma Narrows Suspension Bridge, the first bridge that he designed as the leading engineer, the "most beautiful bridge in the world." However, he lost his strong reputation when this narrow span across the Puget Sound in Washington State collapsed in a windstorm four months after it opened in 1940.
On November 7, 1940, the low pressure system that later developed into the storm was affecting the Pacific Northwest and produced the 40 mph (64 km/h) winds that destroyed the Tacoma Narrows Bridge. On November 10 the fast-moving storm crossed the Rocky Mountains in just two hours on its way to the Midwest. [6] [7]
The collapse of the original bridge. The first Tacoma Narrows Bridge opened to traffic on July 1, 1940. Its main span collapsed into the Tacoma Narrows four months later on November 7, 1940, at 11:00 a.m. (Pacific time) possibly as a result of aeroelastic flutter caused by a 42 mph (68 km/h) wind. The bridge collapse had lasting effects on ...
Here’s some good news from WSDOT about lane closures on westbound Tacoma Narrows Bridge. Alexis Krell. May 16, 2024 at 2:10 PM. Brian Hayes/bhayes@thenewstribune.com. The bridge lanes are open.
Cause: Vibration—Sheep herd crossing bridge [20] Tacoma Narrows Bridge: 1940: Nov 7, 1940: Tacoma Narrows (Puget Sound) Cause: Wind/Design flaw—Aeroelastic fluttering (wind dynamics) leading to structural failure Detillion Bridge: Unknown: May 24, 1939: Spokane River: Cause: Collision—Tractor-trailer collision on deck [21] Allen Street Bridge
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The Aurora bridge is 2,945 feet long, compared to the 5,979-foot westbound and 5,400-foot eastbound spans of the Narrows bridges. The Aurora bridge was deemed the second-deadliest bridge in the ...