Bridges - Buro Happold

Alexandra Arch BridgeSingaporeThe project was won in an International Design competitionorganised by the Singaporean governement in 2003. TheBridge Group at Buro Happold provided support to BuroHappold office in Singapore who were part of a teamworking with local consultants LOOK Architects and Ecas-EJConsultants as a local engineering partner. The team wonthe commission for the bridge and also a 1.6km elevatedwalkway structure. The Bridge Group undertook concept anddetailed design of the bridge.The bridge is designed for pedestrian and cyclist traffic.It is an asymmetric structure comprising a single leaningarch supporting a deck profiled in cross section and curvedin plan by means of hanger fins. The arch rises 17m aboveground level with 60m between the springing points. The 4mwide granite-surfaced deck has a total length of 80m and isdesigned to act as a torsion box. The arch, deck and fins areall fabricated from steel with the whole assembly supportedby raking concrete piers founded on piled foundations.Construction started in Summer 2006 and the bridge wasopen to the public on May 10th 2008 by the Prime Minister ofSingapore, Lee Hsien Loong.Key Project InformationClientUrban Regeneration AuthorityValue£2.2mDates Opened 2008Services provided by Buro HappoldBridge EngineeringBridge Capability Statement14