Couchiching Lock 42 and Bridge 56 Rehabilitation

Lock 42
The work involves installing cofferdam structures upstream and downstream of the lock, dewatering of the lock and approaches, removal of damaged concrete, concrete repair, landscaping upon project completion and related project activities such as creating staging areas and use of machinery. Lock work to take place in the fall/winter between navigation season - after the Thanksgiving weekend in October and prior to the Victoria Day weekend in May.

Bridge 56
The project is a complete replacement of the steel bridge structure, which spans the canal, and repairs to its concrete piers which are completely out of water. This work is also taking place in the fall/winter between navigation season as not to interfere with navigation through Lock 42.

Latest update

October 07, 2019 - The assessment decision statement has been issued to the proponent.



Trent-Severn Waterway National Historic Site
P.O. Box 567
Peterborough, Ontario K9J 6Z6
Telephone: 705-750-4900 or 1-888-773-8888

  • Location

    • Trent-Severn Waterway National Historic Site (Ontario)
  • Nature of Activity

    • Other, not otherwise specified
    • Bridges
  • Assessment Status

  • Start Date

  • Proponent

    Parks Canada
  • Authorities

    • Parks Canada Agency
  • Assessment Type

    Project on federal lands
  • Reference Number


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 assessment.


Nearby assessments

...within 200 kilometres
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