AECOM (ACM) has been selected as the Lead Designer for the Washington State Department of Transportation's (“WSDOT”) SR 520 Portage Bay Bridge and Roanoke Lid Project. This project, led by Skanska as part of a design-build team, aims to replace the aging Portage Bay Bridge and add a landscaped lid segment in Seattle's North Capitol Hill neighborhood.The project should bring significant improvements to commuters traveling across Lake Washington and through the SR 520 corridor. New ramps, seismically resilien ...