Program Videos and Interactive Tools

Program Videos and Interactive Tools

Construction Cameras | Construction Videos | Simulations

Construction Cameras

Check the view from our live construction cameras.

Note for iPhone/iPad users: Download the OxBlue app. Select "open link" and type "AWV" (no spaces).

Construction Videos

Project Construction Videos


How high-tech sensors constantly monitor the ground and buildings along the SR 99 tunnel route.
Narrated video: How high-tech sensors constantly monitor the ground and buildings along the SR 99 tunnel route. (April 2016). View on YouTube.
How WSDOT has protected and strengthened the viaduct since the 2001 Nisqually Earthquake
Narrated video: How the viaduct has been strengthened and protected since the 2001 Nisqually Earthquake (April 2016). View on YouTube.
Raw video: Bertha's tunneling operations. (January 2016). View on YouTube.
Bertha installing a tunnel segment.
Raw video: Bertha installing a tunnel segment. (December 2015). View on YouTube.
The part of the SR 99 tunnel built without Bertha.
Narrated video: The part of the SR 99 tunnel built without Bertha (December 2015). View on YouTube.
How to build a cut-and-cover tunnel.
Narrated video: How to build a cut-and-cover tunnel. (December 2015). View on YouTube.
Why a new SR 99 roadway near South Lake Union keeps both cars and crews moving
Video: Why a new SR 99 roadway near South Lake Union keeps both cars and crews moving (August 2015). View on YouTube.
A one-minute look at the installation of the SR 99 tunnel
Time-lapse video: A one-minute look at the installation of the SR 99 tunnel's bright yellow ventilation stacks (July 2015). View on YouTube.
Time-lapse video: Crews demolish and replace a section of SR 99 (August 2014). View on YouTube.
Crews reconfigure the launch pit.
Raw video: Transforming the SR 99 Launch Pit (June 2014). View on YouTube.
Raw video: Removing Bertha's starting blocks (March 2014). View on YouTube.

Simulations


Tunneling machine animation (2013). Courtesy of Hitachi Zosen Corp., this animation shows how the world’s largest tunneling machine works. View on YouTube.
SR 99 south-end construction (2012). Interactive simulation describes how the tunnel's south portal and the south end viaduct replacement will be constructed.
SR 99 construction bypass drive-through (2011). Shows how SR 99 operates after October 2011, when the viaduct's south end was demolished. View on YouTube.
SR 99 tunnel north-end construction (2011). Interactive simulation describes how the tunnel's north portal and the City's two-way Mercer Street project will be constructed.
Tunnel underground video (2010). Shows the SR 99 tunnel’s route beneath downtown Seattle and its proximity to other underground structures. View on YouTube.
Tunnel drive-through video (2010). Shows an early design concept for the SR 99 tunnel and the access provided at its north and south portals. View on YouTube.
Simulated collapse of Alaskan Way seawall and viaduct (2009). Shows what could happen to both structures if a strong earthquake were to shake the Puget Sound region. View on YouTube.

SR 99 Tunneling Machine (Bertha) Repairs


Filling in the access pit used to repair the SR 99 tunneling machine.
Raw video: Video of construction crew filling in the access pit used to repair the SR 99 tunneling machine. (December 2015). View on YouTube.
Video of construction crew filling the SR 99 access pit (extended version)
Raw video: Video of construction crew filling the SR 99 access pit (extended version) (December 2015). View on YouTube.
Video of Seattle Tunnel Partners rotating Bertha's cutterhead.
Raw video: Video of Seattle Tunnel Partners rotating Bertha's cutterhead. (December 2015). View on YouTube.
STP Project Manager Chris Dixon recaps STP's work repairing Bertha and what comes next.
Narrated video: STP Project Manager Chris Dixon recaps STP's work repairing Bertha and what comes next. (October 2015). View on YouTube.
Narrated video: STP’s work plan for repairing Bertha (June 2014). View on YouTube.
A three-camera view of crews lowering Bertha's 2,000-ton front end into the access pit
Time-lapse video: A three-camera view of crews lowering Bertha's 2,000-ton front end into the access pit (August 2015). View on YouTube.
Time-lapse video: Bertha's rise to the surface revisited (March 2015). View on YouTube.
Time-lapse video: Crane operator's view while lifting Bertha's upper body piece to the surface (March 2015). View on YouTube.
Time-lapse video: Bertha reaches her stopping point in the access pit (March 2015). View on YouTube.
Raw video: Bertha mines through the southern wall of the access pit (February 2015). View on YouTube.
Raw video: Peparing for Bertha’s entrance into the access pit (February 2015). View on YouTube.
Time-lapse video: Building a super crane (February 2015). View on YouTube.

Launching the SR 99 Tunneling Machine (Bertha)


Raw video: Bertha on the move (September 2013). View on YouTube.
Time-lapse video: Preparing to launch Bertha (August 2013). View on YouTube.
Narrated video: Building a new State Route 99 through Seattle (May 2013). View on YouTube.
Time-lapse video: Bertha loaded for shipment to Seattle (March 2013). View on YouTube.
Raw video: SR 99 tunneling machine ceremony in Osaka, Japan (December 2012). View on YouTube.

South-End Viaduct Replacement:


Time-lapse video: South-end bridge completion (September 2012). View on YouTube.
Time-lapse video: South-end viaduct demolition (October 2011). View on YouTube.
Raw video: Crews demolish a viaduct span near the stadiums (October 2011). View on YouTube.
Raw video: Two munchers attack the viaduct during demolition (October 2011). View on YouTube.
Raw video: Crunchers work to break loose beams and roadway (October 2011). View on YouTube.