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User / WSDOT / Balloons over Bertha - Sixth and Wall Street
Washington State Dept of Transportation / 33,726 items
Launched in late August 2016 when Bertha passed beneath First Avenue and Union Street, #BalloonsOverBertha is yet another way to track progress on the SR 99 Tunnel Project.

We took this photo in late February 2017, when Bertha was beneath the intersection of Wall Street and Sixth Avenue.

Learn more about the Alaskan Way Viaduct Replacement Program at www.alaskanwayviaduct.org or follow Bertha, the SR 99 tunneling machine, on Twitter @BerthaDigsSR99.
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Dates
  • Taken: Feb 17, 2017
  • Uploaded: Feb 23, 2017
  • Updated: May 7, 2018