REMINDER | Honoré Mercier Bridge - AVOID THE AREA | Major work blitz - Complete closure of the bridge toward Montréal from September 26 to 29
September 22, 2025 Honoré Mercier Bridge

 

From Friday, September 26, 11 p.m., to Monday, September 29, 5 a.m.:

Toward Montréal:

  • Complete closure of the bridge toward Montréal 
  • Complete closure of the access ramp to the Bridge, from Hwy. 138 East, toward Montréal
  • Complete closure of the access ramp to the Bridge from Hwy. 132 West, toward Montréal
  • For paving work

Toward South Shore (major configuration changes):

  • The bridge remains open toward the South Shore, but traffic will flow in the opposite direction
  • Use the right lane if you want to go to La Prairie
  • Use the left lane if you want to go to Châteauguay
  • Complete closure of the Airlie St. access ramp toward Hwy.138 West


At the same time, the Ministère des Transports et de la Mobilité durable will carry out paving work on the provincial section of the bridge, with the aim of optimising and harmonising closures on the structure. 

Please note that this work may be cancelled or postponed depending on work progress and weather conditions.

For information about the Louis-Hippolyte-La Fontaine Tunnel, the Samuel De Champlain Bridge, or any other structures managed by our mobility partners, visit our web page.

REMINDER | Honoré Mercier Bridge - AVOID THE AREA | Major work blitz - Complete closure of the bridge toward Montréal from September 26 to 29
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 • In-progress road closures or
    obstructions
 • Cameras
 • 14-day work schedule

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