•highest pedestrian bridge in Singapore, s •springs from a scenic location off Mount Faber and spans across Henderson Road to Telok Blangah with a flowing organic form of seven “wave” spans.•folded three-dimensional surface-form cleverly created by amathematical equation articulatedas a continuous organic andstructural form which bends,undulates and ascends in a singularmovement. T•he structure is also functional,flowing, forming and reforming intoaccess ramps, balustrades,benches and shelters for leisurewalking and scenic viewing for thepublic
spans some 284 meters aboveHenderson Road, a six-lane freewayrunning through the south coast o•seven spans, six of typical size (3.5meters high, 24 meters long), and alarger one (6 meters high, 57 meterslong). T•he upside spans unfold above decklevel and house temporary activities,such as seating, lounging and sight-seeing. The remaining spans unfoldbelow deck level and are notaccessible –simply ensuring thecontinuity of the structure.
•The primary structure of thebridge features a sequence ofsteel arches and catenaries joinedacross, and resting upon,reinforced concrete pylons.•These pylons (the tallest of whichreaches 38m) sit between wavesas it were, at the point where thesurface-form self-intersects andtapers down to a single beam.•The 1,500 square meter timberdeck sitting on top of the steelstructure is the centerpiece of theproject.
•During construction, the typical 24 mspan members were fabricated,welded, galvanized and painted•Stability to the bridge structure wasprovided laterally by the columnstructures and longitudinally by thetying of the lower deck members.•The timber segments were theninstalled in sequence, followed by thedecking.•The Henderson Waves footbridgewas officially opened in May 2008and forms part of plans to construct agreen pedestrian corridor linking theSouthern Ridges to the waterfront inBu kit Chermin on the south coast.