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Honoré Mercier Bridge

Federal jurisdiction

The bridge is co-managed by the Corporation and the provincial government.

Under federal jurisdiction:

  • Route 138, eastbound and westbound, above the seaway (both directions)
  • Route 138 westbound, ramp to Châteauguay
  • Route 138 eastbound towards Montreal, ramp from Châteauguay
  • Route 132, eastbound and westbound, ramp from or to La Prairie

Under provincial jurisdiction:

  • The upstream structure, towards the South Shore, above the St. Lawrence River, constructed at the start of the 1930s
  • The downstream structure, towards Montreal, above the St. Lawrence River, constructed in the 1960s

JURIDICTION-HM-EN-2

Stories and bridges


Get a peek inside a peregrine falcon nest on the Honoré Mercier Bridge!
This year, the Jacques Cartier and Champlain Bridges Incorporated (JCCBI) is innovating and will install a camera in a nesting box on the Honoré Mercier Bridge to track the behaviour of peregrine falcons during their nesting period. “The goal of the camera is to collect more accurate data about the birds’ nesting period, such as […]