Amgen Helix Pedestrian Bridge, Modern pedestrian bridge in Interbay neighborhood, Seattle, United States.
The Amgen Helix Pedestrian Bridge is a modern footbridge in Seattle that spans active railway lines and runs about 400 feet in length. Its two angled arches curve around each other to create the distinctive double helix shape that defines its appearance.
This structure was completed in 2003 and connects different areas of the neighborhood. It was built to link a research facility with nearby parks in the region.
The bridge design by Johnson Oaklief Architecture incorporates stainless steel, mesh, and tensioned fabric to represent DNA molecular structure.
Access to this footbridge is available year-round from Elliott Avenue West and welcomes pedestrians at any time. It provides a safe crossing over railway lines and busy streets in the area.
The structure combines stainless steel, mesh, and tensioned fabric with fiberglass membrane materials. These materials give the bridge a striking appearance and make it a surprising architectural element in the area.
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