River Dee suspension bridge to create new Cairngorm gateway
January 10 2013
Designed by Moxon Architects with Flint & Neill structural engineers for Braemar Community Ltd the new crossing spans the River Dee, introducing a permanent fixed link for the first time.
Grounded in the suspension typology of earlier Victorian footbridges in the area it stretches to 85m in length the new bridge will be suspended within a cable net ‘valley’ of inclined hangers which Moxon attest will provide a unique spatial experience and imbue a high degree of transparency when viewed in elevation.
In their design statement the practice wrote: “The catenary cables are located beyond and out with the line of the bridge at the abutments while meeting the deck at midspan. The inclined geometry provides a degree of lateral restraint to the deck, stiffening the structure and in combination with the pre-cast deck reducing the need for additional dampening in the structural system.
“The ‘raking V’ pylons at either end of the bridge define the geometry of the suspension net, marking the abutments of the bridge and signalling the structure as a gateway to the wilderness area.”
A low-profile deck will be formed from white pre-cast concrete units to ensure simplicity of construction and maintenance.
The bridge is also designed to cater for horseback traversal, necessitating a number of unique design solutions such as harnessing the parapet to provide a solid visual barrier when looking along the bridge or toward the waters surface.
Braemar bridge has been commissioned by a local charity which also intends to convert nearby St Margarets Church to form an arts venue
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