Future Northgate Connection for Bikes & Peds

Interstate 5 is a critical transportation corridor for Seattle. It helps move people and goods north and south through the center of our city, often at high speeds, unhindered by pedestrians crossing at intersections or bicyclists of various abilities in – or even alongside – the roadway.

Interstate 5 is also an immense obstacle to transportation in the east-west direction wherever the freeway is not lidded or elevated. Where a major arterial does cross, it often has both on- and off-ramps well suited to vehicles, but not particularly friendly for bicyclists or pedestrians.

A new Sound Transit light rail station will soon be built next to the existing King County Metro transit station at 1st Avenue NE and NE 100th Street. The need to connect this transportation hub to the west side of I-5 has become paramount, expressed in planning documents, by public feedback and via support for funding.

Caption:  Artist’s depiction of planned bridge looking west along NE 100th Street

Caption: Artist’s depiction of planned bridge looking west along NE 100th Street

SDOT has responded by planning a new 15-20 wide bridge for bicyclists and pedestrians across I-5 at 100th Street. It would include a ramp on either side to return users to ground level at a less than 5% incline and at least one stairwell on the east side. The bridge would make a direct connection to the mezzanine level of the new light rail station, and would also connect to a new cycle track along 1st Avenue NE.The basic alignment is now being established in consultation with WSDOT, Sound Transit, King County Metro and the North Seattle College (where the landing on the west side will be). The bridge type is also being determined, after which design will begin in earnest.

The planning level estimate for this project is $25M; the City of Seattle and Sound Transit have each agreed to provide $5M towards the cost if the remaining funding is identified by July 2015.

For more information about this project, please visit our project website:

www.seattle.gov/transportation/northgatepedbridge.htm

If you have questions or comments about the project, please contact: Art Brochet, Communications Lead (206) 615-0786 • art.brochet@seattle.gov