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. The idea is to provide a visual of Bertha’s location relative to the surface. In this December 2016 photo, Bertha's cutterhead was about 175 feet below the alley between Second and Third avenues, between Lenora and Blanchard streets.

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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. The idea is to provide a visual of Bertha’s location relative to the surface. In this December 2016 photo, Bertha's cutterhead was about 175 feet below the alley between Second and Third avenues, between Lenora and Blanchard streets. Learn more about the Alaskan Way Viaduct Replacement Program at ( ) or follow Bertha, the SR 99 tunneling machine, on Twitter @BerthaDigsSR99 ( ) . Balloons over Bertha - Sounders MLS Cup edition 30828129524 o

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Size: 1684px × 1484px
Photo credit: © PR images / Alamy / Afripics
License: Licensed
Model Released: No

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