FacebookTwitterInstagramPinterest

The Alaskan Way Viaduct project is located in Seattle, Washington and includes the new State Route 99 Tunnel. This is a design-build (D/B) by the Seattle Tunnel Partners (STP) in conjunction with the Washington State Department of Transportation (WSDOT).

State wants answers before Bertha resumes digging

The Seattle Times » The Seattle Tunnel Partners (STP), the contractor [...]

By |2018-02-05T14:32:48-08:00January 28, 2016|Alaskan Way Viaduct, Design-Build, Roads, Washington|Comments Off on State wants answers before Bertha resumes digging
Read More

Contractors challenge Governor’s order to halt Bertha after sinkhole

The Seattle Times » Seattle Tunnel Partners (STP) disagrees with the [...]

By |2018-02-05T16:01:16-08:00January 25, 2016|Alaskan Way Viaduct, Design-Build, Roads, Washington|Comments Off on Contractors challenge Governor’s order to halt Bertha after sinkhole
Read More

Washington Governor suspends Bertha tunneling after sinkhole

King 5 News » A sinkhole developed near the repair pit [...]

By |2018-02-05T16:01:51-08:00January 14, 2016|Alaskan Way Viaduct, Design-Build, Roads, Washington|Comments Off on Washington Governor suspends Bertha tunneling after sinkhole
Read More

After 2-year breakdown, Bertha begins tunneling again

Associated Press / KomoNews.com » After being stuck for two years, [...]

By |2018-02-05T16:44:45-08:00January 7, 2016|Alaskan Way Viaduct, Design-Build, Roads, Washington|Comments Off on After 2-year breakdown, Bertha begins tunneling again
Read More

Bertha back on the move after 2 years of delays

The Seattle Times » According to the Washington State Department of [...]

By |2018-02-05T16:43:27-08:00December 22, 2015|Alaskan Way Viaduct, Design-Build, Roads, Washington|Comments Off on Bertha back on the move after 2 years of delays
Read More

Workers begin preparing soil for Bertha’s restart

The Seattle Times » The tunnel boring machine, known as Bertha, is [...]

By |2018-02-05T16:42:14-08:00October 14, 2015|Alaskan Way Viaduct, Design-Build, Roads, Washington|Comments Off on Workers begin preparing soil for Bertha’s restart
Read More
This website uses cookies and third party services. OK
Go to Top