January 2016 was supposed to signify a new beginning for “Bertha,” the world’s largest tunnel-boring machine that now sits under downtown Seattle with its 57.5-ft-dia cutterhead motionless.
Don’t let the elegance of the $135-million, 1,720-ft cable-stayed Tilikum Crossing bridge in Portland distract you from the ingenuity that occurred before construction even started, in 2011, on Portland’s first bridge over the Willamette River since 1973.