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Black and white image of a suspension bridge collapsing, with a section of the deck breaking and falling into the water below.

Collapse of the Tacoma Narrows Bridge, 1940

The bridge collapsed into Washington state's Puget sound.
Encyclopædia Britannica, Inc.
  • Encyclopædia Britannica, Inc.
    On the afternoon of January 6, 2021, supporters of Donald Trump stormed the United States Capitol building.
    What Caused the January 6, 2021, Capitol Attack?
    Protestors with Trump signs and American flags outside the U.S. Capitol.
  • Encyclopædia Britannica, Inc.
    More than three decades after apartheid, South Africa is still considered the most unequal country in the world.
    How Did Apartheid Change South Africa?
    Video thumbnail image shows Black South African schoolchildren standing behind a fence.
  • Encyclopædia Britannica, Inc.
    Try saying this term five times, fast.
    What Do You Call the 250th Anniversary of the United States?
    The word semiquincentennial appears in white text on a blue background.
  • Contunico © ZDF Studios GmbH, Mainz; Thumbnail © Oksana Krasiuk/Dreamstime.com
    The use of magnetic resonance mammographies to detect breast cancer.
    Learn how breast cancer is detected using Magnetic resonance mammography
    Learn how breast cancer is detected using Magnetic resonance mammography
  • Encyclopædia Britannica, Inc.
    An introduction to the Brooklyn Bridge, its history and construction, and its place in the geography of New York City.
    The history and significance of the Brooklyn Bridge
    The history and significance of the Brooklyn Bridge
  • Encyclopædia Britannica, Inc.
    Why did the encyclopedia cross the bridge?
    How these lifting bridges actually work
    The vidoe thumbnail image shows a two-sided bridge lifting and separating at the center. A blue circle highlights the open section.
  • Great Museums Television (A Britannica Publishing Partner)
    Architect Renzo Piano on his design for the High Museum of Art in Atlanta, from the documentary Riches, Rivals, and Radicals: 100 Years of Museums in America.
    Renzo Piano discussing his design for Atlanta's High Museum of Art
    Renzo Piano discussing his design for Atlanta's High Museum of Art
Related Articles: bridge , resonance , Tacoma Narrows Bridge

News •

Delays on Tacoma Narrows Bridge start as crews begin two weeks of repairs • Oct. 26, 2026, 6:55 PM ET (The Tacoma News Tribune)
Start date for major Tacoma Narrows Bridge repairs, hour-long delays announced • Oct. 14, 2026, 5:53 PM ET (The Tacoma News Tribune)
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