Tag: Big Bertha construction

Construction Equipment

Camera gives a live view of construction on Big Bertha’s 12-story repair access pit

Just because Big Bertha is down for nearly a year, that doesn’t mean work around the world’s largest tunnel boring machine has come to a halt. And now thanks to a camera set up by the Washington State Department of Transportation, anyone can watch as that work progresses. After completing one-tenth of the 1.7-mile State Route 99 […]

May 13, 2014