Samuel de Champlain Bridge, Montreal, Canada

3.4-kilometre bridge over the St. Lawrence River
  • Client: SNC Lavalin
  • Value: CAD$4.4 billion / US$3.34 billion

About this Project

The Champlain Bridge in Montreal is a signature crossing over the Saint Lawrence River and was constructed to a tight timeframe to urgently replace the existing river crossing which had exceeeded its design life. The project comprised:

  • 3.4-kilometre Champlain Bridge over the St. Lawrence River with three lanes in each direction, plus a central deck for public transit, as well as a path for cyclists and pedestrians 
  • A new 470-metre bridge for L’Île-des-Sœurs
  • The widening of Highway 15 between the Atwater interchange and the new bridge
  • Improvement of the ramps leading from Highways 132 and 10 on the South Shore to the bridge

The Samuel de Champlain Bridge under construction

To achieve the short programme and deal with the severe Canadian winter, a high degree of modular construction and off-site fabrication was employed. CDC undertook a commercial claims review of the existing recovery strategy and advised the senior management on options to improve the project commercial position.
champlain bridge

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