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Timiskaming Dam-Bridge of Quebec Replacement Project

Public Services and Procurement Canada is proposing to replace the Quebec Timiskaming dam-bridge located 65 kilometres northeast of North Bay, Ontario, and bordered by the city of Temiscaming, Quebec, to the east. As proposed, the project will result in the replacement of the Quebec Timiskaming dam-bridge, a structure that regulates water without generating electrical power. Its deck supports a two-lane roadway connecting the provinces of Quebec and Ontario. This complex includes two independent dams located on both sides of Long Sault Island on the Ottawa River: the Quebec dam-bridge and the Ontario dam-bridge, which was replaced in 2017. The new structure will be approximately 75 metres long and will have 10 bays: five with vertical sluice gates and five working with wooden beam weirs. The road deck will consist of two traffic lanes as well as a sidewalk. The construction of the new dam-bridge will be spread over a period of 30 months.


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This map is for illustrative purposes. The markers represent the approximate locations based on available data. More than one marker may be identified for a given project.


Latest update

August 21, 2018 — The Canadian Environmental Assessment Agency issued the final Environmental Impact Statement Guidelines to the proponent for the preparation of an Environmental Impact Statement.

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Key documents

Key documents
Document Number Document Title File Date
10 Final Environmental Impact Statement Guidelines PDF (417 KB) August 21, 2018
6 Notice of Commencement of an Environmental Assessment - June 20, 2018
5 Notice of Environmental Assessment Determination - June 15, 2018
2 Summary of a Project Description of a Designated Project (NOTE: Updated June 14, 2018) PDF (1.2 MB) April 23, 2018

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  • Location

    • Temiscaming (Quebec)
  • Project Type

    • Bridges
    • Dams and reservoirs
  • Status

    In progress
  • Start Date

    2018-06-15
  • Proponent

    Public Services and Procurement Canada
  • Authorities

    • Impact Assessment Agency of Canada
  • Assessment Type

    Environmental assessment under CEAA 2012
  • Reference Number

    80151
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