Honoré-Mercier Bridge R-138 East access ramp to Montreal closed Thursday night

The Honoré Mercier Bridge, which crosses the St. Lawrence River and connects Montreal to the South Shore. (Courtesy: The Jacques Cartier and Champlain Bridges Incorporated)

Posted July 14, 2026 12:46 pm.

Last Updated July 16, 2026 7:08 am.

Access ramps to Honoré-Mercier Bridge in the direction of Montreal will see a couple of overnight closures this week for maintenance work.

July 14, Wednesday 10 p.m. to July 16, Thursday 5 a.m.

Closure of the R-132 westbound on-ramp toward Montreal

Closure of the R-132 westbound on-ramp toward Montreal overnight on July 14, 2026 (Courtesy: The Jacques Cartier and Champlain Bridges Incorporated)

July 16, Thursday 10 p.m. to July 17, Friday 5 a.m.

Closure of the R-138 East on-ramp toward Montreal

Closure of the R-138 East on-ramp toward Montreal overnight on July 16, 2026 (Courtesy: The Jacques Cartier and Champlain Bridges Incorporated)

The bridge will also see partial closures for two-and-a-half weeks starting Thursday night when the traffic will be reduced to one lane in each direction. From July 17 to Aug. 3, workers will be repairing part of a concrete slab on the bridge that links Montreal’s LaSalle to Kahnawake.

The maintenance work may be cancelled or postponed due to unfavourable weather conditions

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