Big Bertha Arrives In Town: Get Ready To Be Drilled…

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New Four-Mile Tunnel To Deliver Water To Southern California

An 80-million dollar tunnel-boring machine, described as the world’s widest, is now in Seattle after arriving from Japan via a HUGE BOAT.  The machine, called “Bertha,” will dig a two-mile tunnel that will replace the Alaskan Way Viaduct.  The tunnel will be nearly 58 feet in diameter and is scheduled to open in late 2015.  “Bertha’s” parts will be assembled after the machine is unloaded at Terminal 46.

This West Seattle Water-Taxi commuter captured the slow arrival:

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