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 March 2017, when Bertha was beneath the Sixth Avenue and Denny Way intersection
Learn more about the Alaskan Way Viaduct Replacement Program at www.alaskanwayviaduct.org or follow Bertha, the SR 99 tunneling machine, on Twitter @BerthaDigsSR99.
Tags: ^GP Seattle balloons over bertha
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.
Tags: ^GP balloons over bertha Seattle Sixth Wall Street tunneling machine
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 January 2017, when Bertha was beneath Battery Street and the Battery Street Tunnel between Fourth and Fifth Avenues.
Learn more about the Alaskan Way Viaduct Replacement Program at www.alaskanwayviaduct.org or follow Bertha, the SR 99 tunneling machine, on Twitter @BerthaDigsSR99.
Tags: ^GP balloons over bertha Seattle tunneling TBM machine Battery Street Tunnel Monorail SR 99
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 January 2017, when Bertha was beneath Fourth Avenue between Battery and Bell streets in Belltown, near Seattle Fire Department Station No. 2.
Learn more about the Alaskan Way Viaduct Replacement Program at www.alaskanwayviaduct.org or follow Bertha, the SR 99 tunneling machine, on Twitter @BerthaDigsSR99.
Tags: ^GP balloons over bertha Seattle Bertha SR 99 tunnel tunneling machine
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 January 2017 when Bertha's cutterhead was below Bell Street between Third and Fourth avenues.
Learn more about the Alaskan Way Viaduct Replacement Program at www.alaskanwayviaduct.org or follow Bertha, the SR 99 tunneling machine, on Twitter @BerthaDigsSR99.
Tags: balloons over bertha ^GP seattle downtown bertha tunneling machine TBM