Washington and Oregon officials now say it could cost more than $15 billion to replace the Interstate 5 Bridge between Portland and Vancouver and upgrade a five-mile segment of the freeway, a huge ...

State leaders and Vancouver’s mayor warn about bridge safety, but insist it’s safe enough for daily use as they focus on ...

As part of its continuing investigation into the collapse of an interstate highway bridge in Washington State last year, the National Transportation Safety Board opened the public accident docket on ...

This design visual shows how and where crews will install the pilings to support the work platforms. Credit: Washington State DOT. Work to install the new permanent span for the Interstate 5 Skagit ...