The Portage Bay Bridge is to be replaced by a new concrete-girder crossing by the early 2030s. Recent soil tests found worse conditions than expected, one factor in a $406 million cost increase for the Highway 520 megaproject. 
(Ken Lambert / The Seattle Times)
The Portage Bay Bridge is to be replaced by a new concrete-girder crossing by the early 2030s. Recent soil tests found worse conditions than expected, one factor in a $406 million cost increase for the Highway 520 megaproject. (Ken Lambert / The Seattle Times)
Traffic Lab

Cost jumps for Highway 520 bridge work; here’s why, and who might pay

Washington state transportation officials reveal a big cost increase for the final segments of the Highway 520 rebuild between Montlake Boulevard and I-5.

Project Homeless is a new Seattle Times initiative that explores and explains the region’s complex, troubling problem of homelessness. With strong watchdog reporting and vivid storytelling, Project Homeless seeks to spotlight what is working, and what is not working, in responding to homelessness. We will also feature solutions-oriented reporting from elsewhere in the country.