Surespan, in partnership with Nak’azdli Whut’en First Nation, successfully designed, supplied, and installed the world’s longest clear-span temporary bridge. The 235-meter bridge was specifically built to mitigate risk to the environmental and cultural values of the site.
The structure featured an 85 m timber deck main span, a 30.5 m timber deck jump span, and a combination of four 18 m steel deck spans and three 15 m steel deck spans, all supported by driven piles installed at 10 pier locations.
This project was notable for overcoming significant challenges in developing and executing the girder launch, which stands out as one of the most complex and innovative launches Surespan has performed.
To avoid the environmental impact of trenching a launch bed, the bridge was built segmentally and launched simultaneously. Once the project is complete, bridge decommissioning will involve the removal of the free-span deck, de-launching the girders, and the dismantling of the remaining spans.
Watch the construction time-lapse here.
