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9611 SE 36th Street
Mercer Island, WA 98040
Phone: 206.275.7600
Fax: 206.276.7663
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I-90 Today and in the Future

Overview

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Lacey V Murrow Bridge 1940
Mercer Island is in a unique position as the only City in the region where its citizens' sole means of ingress and egress is by access to an interstate highway.  According to WSDOT 2016 data, on an average weekday, the daily vehicle volumes on the I-90 floating bridge between Mercer Island and Seattle are: Eastbound: 69,900 veh/day; Westbound: 72,800 veh/day; Reversible: 15,200 veh/day;
Total: 157,900 veh/day.

The I-90 bridge is actually composed of two parallel, named structures, built at different times. The Lacey V. Murrow Memorial Bridge, which now carries the eastbound lanes from Seattle to Mercer Island, was originally completed in 1940, then sank during refurbishment, and was rebuilt in 1993. The westbound traffic, and the reversible express lanes, are carried by the Homer M. Hadley Memorial Bridge, completed in 1989. Learn more about bridge history.
 

Light Rail

When the construction of East Link Light Rail begins in mid-2017, the center roadway floating bridge carrying the reversible express lanes will be closed permanently to vehicles in order to become the light rail corridor between Seattle and Eastside. Learn more about light rail on Mercer Island here.
 
 

Council Presentations on I-90

January 7, 2013

February 4, 2013

February 25, 2013


 



 

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