Why did the original Golden Gate Bridge collapse?

City engineers and officials later determined the cause of the bridge's collapse to be from strong winds and structural deterioration over time. With the prospect of a new bridge being built adjacent to the old structure, design and planning for the Golden Gate Bridge began in 1919.



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If a Richter magnitude 8.0 or greater earthquake centered near the Bridge, there would be a substantial risk of impending collapse of the San Francisco and Marin Approach Viaducts and the Fort Point Arch, and extensive damage to the remaining Bridge structures, including the Main Suspension Bridge.

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As such, the Golden Gate Bridge became known as 'the bridge that couldn't be built'. This was due to the complex challenges presented by the strait: strong tides, wind, fog and the San Andreas Fault located just 7 miles offshore.

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Since it opened on May 27, 1937, there have been an estimated 1,600 deaths in which the body was recovered, and many more unconfirmed.

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5 Fun Facts About the Golden Gate Bridge
  • The bridge is actually not golden at all! It's a bright red-orange.
  • It was named one of the Seven Wonders of the Modern World.
  • It took four years to build.
  • There are approximately 600,000 rivets in each of the bridge's towers.
  • It's the most photographed bridge in the world.


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The deck of the bridge is about 245 feet (75 m) above the water. After a fall of four seconds, jumpers hit the water at around 75 mph (120 km/h). Most of the jumpers die due to impact trauma. About 5% of the jumpers survive the initial impact but generally drown or die of hypothermia in the cold water.

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In Ward's simulations, the wave reaches a maximum height of about 30 feet. “That's barely to the top the pylon,” says Ward, who is confident that the bridge would have no trouble withstanding the wave energy. “It probably wouldn't even touch the steel.”

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The Golden Gate Bridge is closely monitored to make sure it does not exceed its stress limits due to traffic, wind and seismic loads. We can look forward to at least another 80 years of this engineering masterpiece.

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Construction of the Golden Gate Bridge took a total of 1,604 days or a little over 4 years and 4 1/2 months. Work began on January 5, 1933, and the Bridge opened to vehicular traffic on May 28, 1937.

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There have been dozens of tips sent to the SFPD and private investigator Scott Dudek but none have led to finding Sydney yet.

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Between 2000 and 2019, the bridge averaged between 30 and 40 suicides per year. It's been a long hard haul, and I'm delighted that the net is going forward and that suicides have decreased, said Bridge Rail Foundation co-founder David Hull.

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Do you know why the Golden Gate Bridge has its iconic name? The answer might surprise you. Rather than being named for the area's association with the Gold Rush, it's actually named for the water that runs beneath it—The Golden Gate Strait.

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