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Spray River Bridge

Spray River Bridge

During the 2013 flooding in Southern Alberta, the Spray River undermined the foundation of a 24m long all season bridge causing the bridge to collapse.   As the bridge was located on a non-motorized pathway in Banff National Park – 10km from the nearest road – the project required a solution that took into account the remote location. 

The existing bridge was able to be reused, but required a new alignment and redesigned footings.  RWH worked in conjunction with Parks Canada to design a piling solution for the new foundation.  A major consideration was designing for future scour depths and therefore pipe micropiles were selected. The design included eight micropiles, each extending 12m deep. The equipment was trammed to the location using existing fire roads and a cable tram was used to access the far side as protection of the surrounding natural environment was a key priority on this project. 

HCM’s versatile team worked together to handle this small, yet challenging job and successfully met the client’s unique project requirements.

Client: Parks Canada

Location: Banff National Park, Alberta

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