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North America’s largest tunnel-boring machine will need a shaft dug in front of the machine to replace bearing seals and quite likely the main bearing itself

Frustrated by the slow move of light rail to Kirkland, Wash., city officials are exploring gondolas and other transit ideas

The new 52-story tower will turn from triangle to rectangle as it rises

The latest revelation to the massive Bertha delays now requires a plan to fix the problem

During test pushes to get Bertha tunneling again, the machine overheated and forced another unplanned shutdown

From the State Route 99 tunneling project in Seattle to Portland’s Morrison Bridge, the issues continue for two Pacific Northwest projects

The four finalists for the new Tri-Met Transit Bridge in Portland were announced.

In-house pontoon design mistakes eating up around $200 million in risk reserves.

An 8-in-dia steel pipe could be at least to blame for the tunnel-boring machine's slowdown.

An Oregon State University campus may construct within a former pumice mine