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).

Video: Bertha’s journey under the streets of Seattle

The Seattle Times » A 360-degree video shot inside the tunnel [...]

By |2017-06-28T13:46:23-08:00March 10, 2017|Alaskan Way Viaduct, Design-Build, Roads, Washington|Comments Off on Video: Bertha’s journey under the streets of Seattle
Read More

Bertha veers a few inches off course, stops digging

The Seattle Times » The massive drill has veered a few [...]

By |2017-06-28T14:42:19-08:00March 1, 2017|Alaskan Way Viaduct, Design-Build, Roads, Washington|Comments Off on Bertha veers a few inches off course, stops digging
Read More

Video: How a double-deck highway is built inside the Seattle tunnel – with enough concrete to fill 9 football stadiums

GeekWire » The Washington State Department of Transportation (WSDOT) takes viewers on [...]

By |2018-02-05T17:00:53-08:00July 14, 2016|Alaskan Way Viaduct, Design-Build, Roads, Videos, Washington|Comments Off on Video: How a double-deck highway is built inside the Seattle tunnel – with enough concrete to fill 9 football stadiums
Read More

A video of the difficult work of changing Seattle tunnel machine’s cutting tools

GeekWire » Seattle Tunnel Partners (STP) has released a video of construction [...]

By |2017-06-30T10:06:46-08:00July 12, 2016|Alaskan Way Viaduct, Design-Build, Roads, Videos, Washington|Comments Off on A video of the difficult work of changing Seattle tunnel machine’s cutting tools
Read More

Sinkhole worries loom large as Bertha prepares for dive under viaduct, downtown

The Seattle Times » In January 2016, a geotechnical expert for [...]

By |2018-02-05T14:38:15-08:00April 6, 2016|Alaskan Way Viaduct, Design-Build, Roads, Washington|Comments Off on Sinkhole worries loom large as Bertha prepares for dive under viaduct, downtown
Read More
This website uses cookies and third party services. OK
Go to Top