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'Contrail' bridge to be installed this week
Published: July 10, 2008
Prefabricated steel trusses are set to be lifted into place for a new pedestrian bridge at Seattle's Museum of Flight in the USA. The bridge’s design is inspired by an aircraft contrail. The metaphor has been carried out in a tube truss design, made of crossing circular steel pipe sections surrounding an inner glass enclosure — which also references the shape of a fuselage. The elliptical cross section swells slightly in the centre, narrowing at its ends to heighten the sense of movement. It will also feature LED lighting effects and a sound system. The bridge spans 42m over a busy roadway and has an overall length of 104m. The 55m span section and 49m ramp section will be set in place on Saturday. This structure represents a collaborative effort between architects, engineers and steel fabricators. It is being built by Sellen Construction. The architect SRG Partnership has already won an award for the design from AIA Washington, a council of the American Institute of Architects. |
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