Bertha closing in on King Street
Often times, when you reach an intersection you have to stop. That will be the case for Bertha, the SR 99 tunneling machine, when she reaches the ground beneath South King Street in the next week or so. This will be the second of three scheduled maintenance stops in the first leg of Bertha’s journey beneath downtown. Crews will spend about one week tuning up the machine and making adjustments to the conveyor system that’s removing soil from the tunnel.
Overall progress through Oct. 23
Feet traveled since tunneling started: 372
Rings built since tunneling started: 49