The closure includes all mainline i90 lanes between interstate 5 in seattle and island crest way on mercer island, and the i90 express lanes. West seattle low bridge access blocked for hours jans august 1, 2018 11. Content description return to top this collection documents preconstruction and construction of the west seattle bridge in photographs and slides. I90 washington real time traffic, road conditions, washington constructions, current driving time, current average speed and washington accident reports. Sound transit northgate link extension project lynnwood station. Construction will close parking lane on nagle place and surrounding sidewalks. Engineering department west seattle freeway bridge. So essentially the regular, daytoday users of sr 520 will end up.