Highway 91/17 Upgrades Design-Build

The Highway 91/17 Upgrade project is located on the south side of the Alex Fraser Bridge in Delta. This project was technically and logistically complex, where a strategic approach was applied to the construction planning and execution. The project involved reconfiguring existing roads and upgrades to interchanges on Highways 17 and 91, Nordel Way, the Highway 91 Connector, and River Road, including numerous concrete bridge structures, abutments, retaining walls, ground improvements, utility upgrades and replacement, complex detours, environmental management and associated roadwork construction.

Key Project Information

  • Project Type:
    Transportation
  • Budget:
    $60M
  • Timeline:
    December 2019 – May 2023
  • Client:
    Ministry of Transportation and Infrastructure
  • Location:
    Delta, BC

Scope of Work

The project’s scope of work included complex detours, utility relocation, drainage installation, pre-loading of soft soils, lightweight fills, concrete bridge structures, stone columns, drilled shafts, electrical, and all associated roadworks construction. The project, also in close proximity to Burns Bog, required special management and attention to protect environmental and cultural resource values of this complex ecosystem. 

Challenges

Traffic management and temporary detour design was a key component to the success of the team’s execution strategy, this included: 

  • Complex traffic management challenges and careful consideration of staging requirements; multiple project stakeholders requiring coordination of work and effective communication of construction progress. 
  • Busy intersection upgrade construction while maintaining existing traffic flows and access to multiple businesses and residences.