10 Worst Construction Accidents in History

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10. Quebec City Bridge

This bridge is known for being the longest cantilever bridge in the world, but also for having collapsed twice in its history. The bridge was opened in 1919, after many years of construction and two accidents. The first one took place in 1907 when Norman McLure noticed distortions in the metal and wrote to the consulting engineer Theodore Copper and then even traveled to New York. They agreed that the construction should be stopped, but unfortunately, it was too late. On August 27, 1907, the south arm and the central part of the bridge collapsed and killed 75 workers while injuring 11. Then again in September 1916, another 13 workers were killed when trying to raise a new central section.

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