After years of construction, an upgraded floating 520 bridge opened between Seattle and Bellevue in 2016. The project cost $1.2 billion. Tolls are aimed at covering the construction price tag (it ...

Sound Transit will begin live wire testing on I-90's floating bridge in July, moving closer to connecting Seattle with the Eastside by 2026.

Eastside Local News Puget Sound Traffic Lab 520 bridge and part of I-405 to close for weekend construction Aug. 23, 2024 at 10:00 am Updated Aug. 23, 2024 at 10:00 am ...

May 27, 2025 ST starts testing on 2 Line I-90 floating bridge segment By EMMA LAPWORTH A/E Editor Photos courtesy of Sound Transit [enlarge] ...