Replacement of 24-metre-long single span bridge
In 2015, Parks Canada launched a $3-billion nationwide program to rehabilitate infrastructure within natural historic sites, national parks, and national marine conservation areas over the next five years. The rehabilitation of the Southeast Brook Bridge was part of this program.
Working alongside Parks Canada, our primary objective was to design a replacement bridge structure that supports conservation, promotes visitor experience, and provides quality infrastructure to allow Canadians to better connect with nature.
Originally built in 1964, the existing bridge was a 24-metre, single-span, two-lane structure crossing the Southeast Brook on Route 430 in Gros Morne National Park in Newfoundland. The new design is a 39-metre, fully-integral, concrete girder structure. Our role? In addition to detailed design, we provided construction management, contract administration, materials testing, and compaction testing for the duration of the project.
The location, geometrics of the roadway, and need to maintain traffic during construction caused significant project challenges. To remedy this, we used a detour that enabled the new bridge to be constructed as the old bridge was being demolished.
Not only did Parks Canada thrive with the most economical solution, but we designed the Southeast Brook Bridge to provide 75 years of service life.
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