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Earth must be happy to see world's first heavy traffic road bridge made of wood, non-toxic, sequesters carbon


By WcP.Tomorrows.H... - Posted on 22 April 2009

world’s first heavy traffic road bridge made from Accoya wood

first wooden bridge in the world that can support the heaviest load class of 60 tons

(quote)

On Saturday November 29th, the successful transportation and installation of the world’s first heavy traffic road bridge made from Accoya wood took place. The bridge, located in Sneek in the Netherlands, is the first wooden bridge in the world that can support the heaviest load class of 60 tons. Spanning 105 feet and rising more than 50 feet in the air, the structure will serve as a grand entrance to the city of Sneek.

at the end of November 2008, a 360 tonne wooden bridge was positioned over the A7 national trunk road near Akkerwinde in Sneek (the Netherlands), completing the first phase of a unique project

When designing their masterpiece, OAK Architects specified Accoya® wood because of its many benefits, including high strength to weight ratio, enhanced durability and dimensional stability, non-toxicity and aesthetics. The wood used in the bridge’s dramatic design not only makes it look impressive but performs also the important function of bearing the traffic load. Accoya® wood also has superior UV resistance and made from sustainably grown timber and these things were also considerations. Wood naturally sequesters carbon, helping to combat the effects of global warming.

Although Sneek excists since the 11th century, it is officialy a town for 550 years (since the year 1456 ). The only remaining part of the city walls is this watergate or waterpoort.

Akkerwinde, as the wooden bridge is known, represents a milestone, not only for Titan Wood but also for the international building and civil engineering community as a whole. Finlay Morrison, CEO of Titan Wood, said, “Accoya® wood represents a new era in building technology. We are taking a traditional building material and improving it, which allows it to be used in new and innovative ways. Accoya® wood, a green product through and through, allows builders and architects to think out of the box, while at the same time doing their part for the environment.”

spanning 105 feet and rising more than 50 feet in the air, the structure will serve as a grand entrance to the city of Sneek

(unquote)

Photos courtesy of Contemporist, Enerpac, and Flicker / marjan_deblaauw

Original Source: Contemporist

I've build wood bridges that were designed to carry a lot heavier loads here in British Columbia Canada and a quick search found that the US Forest Service has many wood bridges that can carry 102 ton logging trucks (U102) and 90 ton log loaders (L90). The longest clear span I've heard of so far was 121 ft.

I congratulate the City of Sneek for using wood and encourage more of it but the jury is still out one who had the first, who has the longest and whose can carry the most.

You've got to see this wooden bridge. Beautiful and creative.

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