why did the tacoma bridge collapse
The Tacoma Narrows Bridge collapses due to high winds on this day in 1940. Fortunately, only a dog was killed. The Tacoma Narrows Bridge was built in Washington during the 1930s and opened to traffic on July 1, 1940.It spanned the Puget Sound from Gig Harbor to Tacoma, which is 40 miles south of Seattle.The channel is about a mile wide where the bridge crossed the sound.he Tacoma Narrows Bridge collapses due to high winds on this day in 1940. Fortunately, only a dog was killed. The Tacoma Narrows Bridge was built in Washington during the 1930s and opened to traffic on July 1, 1940.