Officials involved in a major project to replace the aging Interstate 5 bridge over the Columbia River that connects Portland ...

Author's 7-point plan to rebuild westbound span of the Washington Bridge would speed up the project and reduce its cost.

The crux of the state's lawsuit against 13 contractors involved in inspecting or working on the Washington Bridge is taking ...

Another method is the use of cofferdams. This requires a dam to be built in the water; imagine a large circular or ...