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Carbonneau Bridge Reconstruction

Saint-Félicien, Quebec

Located on the Ashuapmushuan River near the Lake St-Jean area in Quebec, the Carbonneau Bridge Reconstruction involved replacing the existing two-lane bridge with a new four-lane bridge.

Aecon completed construction in three phases:

  • Phase 1 involved the construction of the first half of the new 336-metre long Carbonneau Bridge.
  • Phase 2 included the demolition of the existing bridge and construction of the second half of the bridge.
  • Phase 3 involved completion of the middle connection of the bridge and paving entirely.

$4.7 Million

Ministère des Transports du Québec



The reconstruction of the bridge included 6,800 m3 of concrete, 8 steel reinforced caissons measuring 3.5 metres in diameter embedded 7 metres into the rock for a total of 17 metres in-ground. Scope of work also involved installation of 200 tubular piles supporting the abutments and civil work including drainage, upgrading all municipal utilities, paving and road work on both the east and westbound approaches. Work had to be done partially off the shore, on barges and on water during the winter season. Construction of the abutments, footing and wall, and the column’s headers were all self-performed.

On inauguration day, the name of the bridge was officially changed to Saint-Félicien Bridge.

Carbonneau Bridge

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