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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