The Oregon DOT stopped work on a 10-mile stretch of Highway 20 back in 2010 after several landslides were discovered during construction. Four bridges that were constructed by Yaquina River Constructors, a subsidiary of Granite Construction, were displaced by the landslides. The contractor was paid a total of $173 million for the project, and under the terms of the settlement, $15 million was returned to the State. According to an ODOT spokesman, they are looking to rebid the project this year with a projected completion date of 2015, 6 years behind the original schedule. The winning bid for the original project was $129 million, and the new projected cost is $290 to $310 million. [Source: TDN.com. Image: NewsLincolnCounty.com]
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Devil’s Slide Tunnel, Project Updates and Geotechnical Info
Devil’s Slide is an infamous landslide along California’s Highway 1 or Pacific Coast Highway near Pacifica, just south of the San Francisco Bay area. Caltrans’ Devil’s Slide Tunnel project is an effort to bypass that slide and make the heavily traveled roadway safe for drivers and to eliminate the maintenance and traffic hassles caused by slope failures blocking the road. We first covered the project back in September of 2007 when the tunnel portion of the project commenced. In that post, you can find a Google Earth KML File showing the location of the tunnels and the new bridges associated with the project. In this post, I’ll provide you with some updated progress information as well as some background on the geotechnical and other aspects of the project. More links and videos are at the end of the post. (Photo by Kim Komenich, San Francisco Chronicle). […]