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Tacoma Nature Center

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Tacoma Nature Center
Tacoma Nature Center
Tacoma Nature Center
Tacoma Nature Center
Tacoma Nature Center
Tacoma Nature Center
Tacoma Nature Center
Tacoma Nature Center
Tacoma Nature Center
Tacoma Nature Center
Tacoma Nature Center
Tacoma Nature Center
Tacoma Nature Center
Tacoma Nature Center
Tacoma Nature Center
Tacoma Nature Center
Tacoma Nature Center
Tacoma Nature Center
Tacoma Nature Center
Tacoma Nature Center
Tacoma Nature Center
Tacoma Nature Center
Tacoma Nature Center
Tacoma Nature Center
Tacoma Nature Center
Phone:
+1 253-404-3930

Hours:
SundayClosed
Monday9am - 4pm
Tuesday9am - 4pm
Wednesday9am - 4pm
Thursday9am - 4pm
Friday9am - 4pm
Saturday9am - 4pm


The 1940 Tacoma Narrows Bridge, the first Tacoma Narrows Bridge, was a suspension bridge in the U.S. state of Washington that spanned the Tacoma Narrows strait of Puget Sound between Tacoma and the Kitsap Peninsula. It opened to traffic on July 1, 1940, and dramatically collapsed into Puget Sound on November 7 of the same year. At the time of its construction , the bridge was the third-longest suspension bridge in the world in terms of main span length, behind the Golden Gate Bridge and the George Washington Bridge. Construction on the bridge began in September 1938. From the time the deck was built, it began to move vertically in windy conditions, which led to construction workers giving the bridge the nickname Galloping Gertie. The motion was observed even when the bridge opened to the public. Several measures aimed at stopping the motion were ineffective, and the bridge's main span finally collapsed under 40-mile-per-hour wind conditions the morning of November 7, 1940. Following the collapse, the United States' involvement in World War II delayed plans to replace the bridge. The portions of the bridge still standing after the collapse, including the towers and cables, were dismantled and sold as scrap metal. Nearly 10 years after the collapse, a new Tacoma Narrows Bridge opened in the same location, using the original bridge's tower pedestals and cable anchorages. The portion of the bridge that fell into the water now serves as an artificial reef. The bridge's collapse had a lasting effect on science and engineering. In many physics textbooks, the event is presented as an example of elementary forced resonance; the bridge collapsed because normal speed winds produced aeroelastic flutter that matched the bridge's natural frequency. The collapse boosted research into bridge aerodynamics-aeroelastics, which has influenced the designs of all later long-span bridges.
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