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Quebec Bridge (second bridge) HTML5


The Quebec Bridge (Canada) was built in 18 years. During this time, there were two accidents (1907, 1916). This animation only illustrates the construction of the second bridge that started in 1911, 4 years after the collapse of the first bridge.

  • Where: Quebec, on the Saint Lawrence River
  • Opening ceremony: August 22, 1919
  • Central span: 549 m (the longest in the world for a cantilever bridge)
  • Total length: 987 m
  • Height: 104 m of which 46 m under the central span
  • Weight: 66000 tons (= 1 aircraft carrier)
  • Number of rivets: 1,066,740
  • Length of work: 18 years
  • Cost: 21,7 M$CAD (Canadian Dollars)
  • Human toll: 200 deaths (estimated) of which 79 (Collpase of August 29, 1907) and 13 (Collapse of September 11, 1916)

The Quebec Bridge is a cantilever bridge (See eduMedia animation on the different types of bridges)

This technology for bridges has since been abandoned due to its high costs and heavy materials. Henceforth, the Quebec Bridge remains the cantilever bridge with the largest central span in the world.


  • "Quebec bridge" - Michel L'Hébreux (Septentrion)
  • "Ce sera le plus grand pont du monde" - Michel L'Hébreux (400 coups)

Click on the pins of the timeline to open the pictures.

Click on the picture to zoom in.

Learning goals

  • Summarize and simplify the main steps when creating a work of art.
  • Discover an exceptional industrial heritage.
  • Promote careers in civil engineering.