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See current construction photos on our Flickr siteJanuary 2009Crews are hard at work building retaining walls along SR 900. This nearly-finished wall is at the north end of the project.Crews are building several types of retaining walls depending on the landscape near the road. Here, crews work on a soil nail wall.Crews have widened Tibbetts Creek bridge to the west. The new lanes of SR 900 and a new sidewalk will be built on top of this widened section.In fall 2008 crews temporarily diverted Tibbetts Creek while they worked on the bridge above it. The creek is once again flowing under the newly-widened bridge.November 2008Crews are working on five retaining walls between Talus Drive and Newport Way. Each wall will have an architectural finish known as "fractured granite" (shown above) and will be painted "Washington grey."September and October 2008Oh deer! Crews spotted this deer north of Talus Drive. The four-legged creature darted safely back into the woods just after this photo was taken. Flaggers temporarily stop southbound traffic to allow a truck safe access to the work zone.Crews prepare to build the first retaining wall at the south end of the project near Talus Drive.An excavator digs a trench alongside the bridge over Tibbetts Creek.
Tibbetts Creek normally flows under a bridge. During construction crews temporarily redirect the water through a 10-inch wide hose to dry out the creek bed. Crews need a dry creek bed to widen the roadway and install utilities under the bridge.
Crews follow strict environmental policies to temporarily redirect Tibbetts Creek through a 10-inch wide hose.The hose that carries Tibbetts Creek underneath the bridge rejoins the creek on the other side.Crews removed the diversion hose in late September, reconnecting the creek under SR 202.A 42-inch water utility pipe will be installed beneath the bridge over Tibbetts Creek. Crews install utility infrastructure such as power and water before widening the bridge.