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Nuns’ Island Temporary Bypass Bridge – Phase I

Construction of a temporary bypass bridge downstream of the existing Nuns' Island Bridge in the Montreal area. The works involve:

  • Building a temporary route of three lanes per direction for car traffic, a shoulder, a dedicated bus lane and multipurpose path.
  • Construction of a temporary bypass bridge.
  • Modification of an existing overpass.
  • Widening and maintenance of the bike path.
  • Structural works.
  • Earthworks.
  • Drainage.
  • Paving.
  • Installation of security features.
  • Horizontal andoverhead signage.
  • Lighting and intelligent transport system.


  • Activity Sector Infrastructures
  • Client The Jacques Cartier and Champlain Bridges Inc.
  • Year 2013-2015
  • Value $50,400,000
  • Engineers Consortium Dessau-Cima+
  • Realisation Mode General Contractor