*The Helix Bridge, previously known as the Double Helix Bridge, is a pedestrian bridge linking Marina Centre with Marina South in the Marina Bay area in Singapore. The Helix is fabricated from approximately 650 tonnes of Duplex Stainless Steel and 1000 tonnes of carbon steel used in the temporary structure and also helping the bridge to get the helix shape. Over the river, the bridge is supported by unusually light tapered stainless steel columns, which are filled with concrete. The bridge weighs around 1700 tonnes in total.
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