Costs for an Interstate Bridge project between Washington and Oregon states have soared by 140%, adding billions to the project's estimates. The cost of the project to replace the Interstate Bridge ...

People who live near the 19th Street bridge that goes over Interstate 83 might want to wear earplugs to bed Saturday night. The bridge will be demolished using explosives. People in the area will not ...

There's a new price tag on the fixed-span Interstate Bridge between Portland and Vancouver, which will replace the existing century-old Interstate 5 crossing over the Columbia River. On Tuesday, ...

With completion of the Kanawha River Bridge in August 2024, the team constructed dual three-span plate girder bridges, each with a 562-ft main span, creating the longest steel plate girder span bridge ...