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Metrolinx Rehabilitating Toronto Rouge River Bridge

Thursday, October 14, 2021

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Government of Ontario agency Metrolinx is scheduled to begin rehabilitation work—including cleaning and coating—this fall on the Rouge River Bridge. Part of the Lakeshore East GO Line, the 117-year-old rail bridge connects Toronto and Pickering.

The Rouge River Bridge was originally scheduled to be fully replaced, but the decision was instead made to rehabilitate the bridge, as it is listed as a provincial heritage property. Metrolinx also stated that because of this decision, there will be “a much smaller construction footprint and reduced impacts to the surrounding communities.”

The Rouge River Bridge's heritage value is based on its ashlar stone masonry substructure and steel deck truss superstructure. The bridge is also reportedly one of the few remaining railway bridges in Toronto and the surrounding area that feature the stone supports on either side of the river and the steel structure to support the train tracks across the bridge.

Scope of Project

The rehabilitation project is expected to extend the life of the bridge by another 20 years and is expected to finish in spring 2022.


Government of Ontario agency Metrolinx is scheduled to begin rehabilitation work this fall on the Rouge River Bridge. 

Specific repairs outlined for the project include:

  • Repairs to the bridge’s superstructure, including blast-cleaning and coating all structural steel and steel surfaces, and repairing, strengthening and replacing the structural steel members that are used to support the bridge’s structure;
  • Repairs to the bridge’s substructure, including masonry stone repairs for the abutments and piers, crack injections and concrete patch repairs, grout repairs at the approach span bearing pedestals and bearing replacement;
  • Replacing timber deck ties, track and relocating and protecting existing communication utilities; and
  • The bridge approaches, which are the parts that provides the transition between the railway corridor and bridge, will have a new approach slab added, retaining walls replaced, as well as 25 meters (82 feet) of track on each side replaced. 

GO Expansion Project

According to Metrolinx, the GO Expansion “will offer more service with faster trains, more stations and seamless connections to a regional rapid transit network” and “will make the network better, faster and the region easier to travel in.”

The authority is scheduled to perform 14 bridge upgrades and 11 pedestrian and river grade separations as part of the expansion. Additional two-way, all-day services, upgraded stations, rail separations, new storage and maintenance facilities and new track will upgrade the transit system.

Currently, it is reported that the GO Transit service runs 1,500 weekly trips. It is expected to run over 6,000 weekly trips once the expansion is complete.

The multibillion-dollar contract will be closing bids in 2021 for the 25-year project and is slated to begin construction in 2022 and 2023, respectively.


Tagged categories: Bridges; Bridges; Government contracts; Historic Structures; NA; North America; Program/Project Management; Public Transit; Rehabilitation/Repair; Steel; Upcoming projects

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