St. Patrick Street Bridge construction update

The City of Ottawa started the construction for the renewal of the St. Patrick Street Bridge  the Porter’s Island Bridge in mid-December 2024. The scope of work includes the completion of a lifecycle renewal of the St. Patrick Street Bridge and Porter’s Island Bridge to extend their service lives; and to carry out active transportation modifications on the St. Patrick Street Bridge and approaches for a designated unidirectional cycling facility along both sides of St. Patrick Street, and integration of dedicated cycling connections to adjacent routes.
  • Phase 1 work on St. Patrick Street Bridge was completed in December 2025.
  • Phase 2 work on St. Patrick Street Bridge was completed in July 2026.
  • Phase 3 work on St. Patrick Street Bridge is on-going and is expected to be completed in late October/early November and start Phase 4 work.

Work on Porter’s Island Bridge has been substantially completed, and the bridge is fully open.

Phase 4 work on the St Patrick Street Bridge begins in late October / early November. The project limits are the St. Patrick Street Bridge and approaches between the Crichton Street/Vanier Parkway intersection and 50 metres west of Lower Charlotte Street; and Porter’s Island Bridge and its approaches located on Island Lodge Road.

Night work: Night work is needed to maintain the schedule of Phase 3 and Phase 4 construction for the St Patrick Street Bridge, which will occur periodically between mid-October and early January 2027, from 10 pm to 7 am. Noise exemptions will be applied according to the City of Ottawa Noise By-law. The use of construction equipment shall not exceed 85 dB(A) when measured at the point of reception.

Traffic Impacts: Two traffic lanes per direction will be provided on the middle portion of the bridge. The right turn to Vanier Parkway will still be permitted.

Pedestrian and cycling access: The two newly built sidewalks on each side of the bridge will serve as temporary multi-use pathways to accommodate both pedestrians and cyclists.

For more information please visit ottawa.ca/StPatrickPorterIsland.

 

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