Interstate Bridge Replacement Program

In collaboration with the Washington and Oregon Departments of Transportation, WSP is the prime GEC consultant to assist with the project to create a modern and seismically resilient replacement of the Interstate 5 (I-5) Bridge that improves mobility for surrounding communities.


  • Washington, USA
  • Portland, Oregon, USA


  • Washington Department of Transportation (WSDOT) and Oregon (ODOT) Department of Transportation

Project Status

  • Ongoing