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World’s 2nd Longest MSE Wall

ENR Reports that Pennsylvania Route 22/322 now has the longest MSE Wall in the U.S. and Canada, and the 2nd longest in the world. The project is located in Mifflin County, Pa. and involves adding […]

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Soil Instability Puts $150 M U.S. 20 Project in Jeopardy

[Update 5/11/07] The Oregon Department of Environmental Quality has fined ODOT $90,000 for violating their stormwater discharge permit at least 37 times between September and January. ODOT is going to try to get the contractor to pay at least part of the fine. [/Update]

The $150 million Oregon Department of Transportation project, U.S. 20: Pioneer Mountain to Eddyville project is in jeopardy after three landslides (one major and two minor) have been discovered during the construction process. Yaquina River Constructors (YRC), a joint venture of Granite Construction Inc. and Wilder Construction has formally requested "that further work on the project cease under a Termination for Convenience. At a minimum the project should be suspended." Read on for more information. (Photo by decoder420)

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Giant Tunnel Boring Machines

ENR.com reports that two of the world’s largest slurry boring machines have begun digging 9-km long tunnels under they Yangtze River in China. The TBM pictured is over 15-m in diameter. (Photo Credit: Bouygues S.A.)

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