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Project Design
SNC-Lavalin Constructors (Pacific) Inc., the project’s Design-Build contractor, worked closely with the City of Port Coquitlam to finalize the design of the Coast Meridian Overpass.
Road Design
Click the links below to view PDFs of the following plans.
North-side road design plans:
- Coast Meridian Road and Riverwood Gate/Robertson Avenue intersection
- Lougheed Meridian Connector and north-side overpass access
- Lougheed Highway east of overpass
- Lougheed Highway west of overpass
- Coast Meridian Road, Broadway and Kingsway and south-side overpass access
- Kingsway east of overpass
- Kingsway and McLean intersection
Cable-stayed Design
The overpass is a cable-stayed structure. Other local examples of cable-stayed bridges are the Golden Ears Bridge, the North Arm Bridge for the Canada Line project and the SkyTrain bridge, all crossing the Fraser River.
Cable-stayed bridges consist of one or more columns – or pylons – with cables that support the bridge deck. Compared to other structural support methods, a cable-stayed system:
- is more economical,
- significantly reduces the mass and depth of the structure,
- is easier to fabricate and install, and
- is elegant and aesthetically pleasing.
Push-launch Construction Method
The bridge superstructure consists of five spans of up to 125 metres in length – five over the CP Rail yard and one over Lougheed Highway.
The spans were push-launched into place one at a time, starting from the south embankment.
- The supporting structure for the spans were fabricated off-site and assembled on-site.
- Hydraulic jacks were used to push the span structures over the south embankment on rollers.
- Cable-stays attached to towers helped stabilize the launching process.
Bridge Facts
- The bridge superstructure is 580 metres in length.
- The bridge consists of five span sections, up to 125 metres in length.
- Each span section weighs up to 1,500 tonnes.
- Cables attached to four 25-metre-tall steel pylons support the bridge deck.
- The bridge structure is comprised of twin steel box girders with a composite concrete deck.
- More than 4,500 tonnes of steel was used to build the bridge superstructure.
