Bridge No.9 over the Chambly Canal

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Designated a site of national historic importance in 1929, the Chambly canal is part of Canada’s network of historic canals. The project consisted of replacing bridge No. 9 with a new one.

Location

  • Saint-Jean-sur-Richelieu, Québec, Canada

Sector

Service

  • Bridge Design
  • Highway and Road Design
  • Construction Management
  • ­(View all)

Client

  • Parks Canada Agency

Project Status

  • Completed in 2012

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Designing and Building a New Bridge over the Historic Chambly Canal

Designated a site of national historic importance in 1929, the Chambly canal is located on the Richelieu River and is part of Canada’s network of historic canals. The project consisted of designing and building a new bridge over the Chambly Canal as a replacement for bridge No. 9, which had reached the end of its useful life. The team had to tackle and resolve the complexities inherent in designing a new type of bridge in a very reduced space, while protecting the natural environment and maintaining navigation on the canal.

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A Unique Swing and Moveable Bridge

We decided on a bascule bridge concept, in which movement is activated by means of hydraulic cylinders. The services we provided were the plans and specifications; work supervision; coordination; site monitoring; bridge engineering; hydraulics; instrumentation, automation and controls; road engineering; electrical engineering and 3D visual simulations.

The structure is 100% steel and was honoured at the Canadian Institute of Steel Construction’s 2012 awards for Quebec’s best steel projects. It will offer current and future generations an overview of the technical achievements associated with our era, while preserving the commemorative integrity of this historic site.

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tonnes of steel
250
Vehicles/day
5000
Boats/Day
25
Steel Construction
100%
Ecological Hydraulic System
100%
movable bridges on Canal
10

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