Dec. 14 project update: Another way to track Bertha’s progress
Posted on Dec 14 2016 4:22 PM
This afternoon, we shared the latest edition of #BalloonsOverBertha via our Twitter account. Launched in late August 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. Generally, we’ll share a new balloons photo each time Bertha passes beneath a street. Today’s photo highlights Bertha’s passage beneath the intersection of Third Avenue and Blanchard Street. We’ll also occasionally share a balloons photo when something of local interest is happening, such as major sporting or community events.
We only put the balloons out long enough to take a photograph, so please don’t make a special trip to see them in person. The best view is on Twitter at #BalloonsOverBertha. You can follow Bertha on Twitter @BerthaDigsSR99. We also post twice-weekly progress updates on our Follow Bertha page. As of Tuesday, the machine had traveled 6,555 of 9,270 feet and installed 1,000 of 1,426 concrete tunnel rings.
#BalloonsOverBertha at Third Avenue and Blanchard Street.
It's been nearly one year since the SR 99 tunneling machine resumed mining following the tunneling delay. We're highlighting a different aspect of the program each day this week to illustrate the progress we've made to date. Yesterday’s post highlighted work inside the tunnel.