• Project

SR 520 Montlake Project

Project overview

The Montlake Project will improve transportation for both motorized and nonmotorized travel along the corridor with a new SR 520 eastbound bridge over Union Bay. This project also builds a new, three-acre lid covering the highway in Montlake that will include regional transit stops and open green space. East of the lid, a bicycle and pedestrian bridge will be constructed over SR 520.

Timeline
Summer 2019 - 2024
Project status
Construction
Funding
$455 million
Project hotline

What to expect

SR 520 will be closed in both directions across Lake Washington from 11 p.m. Friday, August 11, until 5 a.m. Monday, August 14. Westbound SR 520 will close between 92nd Avenue Northeast in Clyde Hill and I-5 in Seattle. Eastbound SR 520 will close between Montlake Boulevard in Seattle and 92nd Avenue Northeast in Clyde Hill. The SR 520 Trail will remain open.

All current closure information and additional details can be found on the SR 520 Construction Corner webpage.

Area map of SR 520 Montlake Project in Seattle