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Amgen Helix Bridge

Photos 

Helix-DNA Bridge Tensioned Membrane

Photo taken by John Anderson in February 2015

License: Creative Commons Attribution (CC BY)

BH Photo #417712

Map 

Video 

Riding in Genes

The video is a ride through the Helix Bridge--a giant DNA molecule. It ends leaving the bridge and going by a 46 foot high head Echo, by Spanish sculptor Jaume Plensa.

Video by John Anderson in 2015

Play video

Description 

Building the bridge connecting a main thoroughfare with the Seattle waterfront over the 11 sets of railroad track was a requirement by the city for Amgen to get a permit to build on the water side of the tracks.

Facts 

Overview
Bridge over BNSF (11 sets of tracks) on Pedestrian, bike
Location
Seattle, King County, Washington
Status
Open to pedestrians and cyclists
History
Built 2004
Builders
- Johnson Architecture & Planning, LLC of Seattle, Washington (Design)
- KPFF Consulting Engineers of Seattle, Washington (Design)
- KWH Constructors of Burnaby, British Columbia, Canada (Erection)
Design
Tensioned membrane fabric, steel
Bridge is built in the shape of a DNA molecule
Also called
DNA Bridge
Approximate latitude, longitude
+47.62811, -122.37185   (decimal degrees)
47°37'41" N, 122°22'19" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/547192/5275158 (zone/easting/northing)
Elevation
16 ft. above sea level
Inventory number
BH 80365 (Bridgehunter.com ID)

Update Log 

  • September 19, 2018: Updated by Luke: Added builders
  • February 7, 2018: New video from John Anderson

Sources