The first section of Sound Transit’s East Link rail installation comes with an extra level of ballast. A 7,200-ft-long stretch of track that runs along Interstate 90 on Mercer Island includes a ...

Ballasted deck plate girder bridge built with six reinforced concrete piers. Second track bridge constructed on the right-of-way roughly 35 feet from existing track bridge, allowing trains to ...

Ballasted deck plate girder bridge built with six reinforced concrete piers. Second track bridge constructed on the right-of-way roughly 35 feet from existing track bridge, allowing trains to ...