final_open house presentation

8/12/2019 Final_open House Presentation

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Northgate Pedestrian and

Bicycle Bridge

Open House

June 3, 2014


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SDOTs mission & vision

Mission: delivering a first-rate transportation system for Seattle.

Vision: a vibrant Seattle with connected people, places, and products.


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SDOTs values

Keep it safe

Focus on thebasics

Build healthycommunities

Support athriving

economy

Provide greatservice


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Maple Leaf

Licton Springs

Site and Context

Bridge Area

Northgate Mall

Future SoundTransit Station

North SeattleCommunity College

North PublicHealth Center Interstate


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Project Need

I-5 is a barrier separating the communities onthe east and west sides.

The project will create improved connections

to major transit investments, educationfacilities, retail centers and reconnect thecommunity.


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Project Benefits

The project benefits Northgateneighborhoods, businesses and schools by: Increasing ridership at the Transit Center and

future Light Rail Station.

Creating an easier connection for students to andfrom North Seattle College by shortening the walkdistance from the Transit Center by almost a mile.

Providing important access for bicyclists andpedestrians to other improvements coming to theNorthgate area.


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Northgate Pedestrian and BicycleBridge Project Overview

Currently in early design and environmentalreview

Overall length is estimated at 1800 to 2200feet depending on the chosen alternative

Exact location and access points to thebridge are being developed


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Project Timeline


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Screening Criteria:Alignment Options


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Design Feeback from YOU today:

ALIGNMENT SPANDESIGN+


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North Seattle College

14,000 STUDENTSAND OVER 400 STAFF


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Existing Northgate Transit Center

CURRENTLY6,000 RIDERS / DAY


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Future Northgate Sound Transit Station

15,000 PASSENGERS

PER DAY PROJECTED


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Existing Connections

1.2 MILES


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Existing Connections

1.2 MILES


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Existing East Walking Connections

Northgate Way at I-5 overpass Northgate Way at 1stAve NE


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Existing West Walking Connections

92ndStreet Overpass Northgate Way at I-5 Overpass

id i


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Bridge Access Points


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Existing Conditions

1.2 MILES

B id Ali O i


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Bridge Alignment Options

MILE!


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Proposed Bike Infrastructure

1stAvenue

Bike Lane

100thSt Primary

Bicycle Connection

100th

St PrimaryBicycle Connection


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Expanded walk and bike sheds

B id C


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Bridge Components

35 elevation gain 45 elevation gain

@ ~20 above grade17.5 clear height beneath

h l


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BIKE LANES

BIKE LANESWALKWAY WALKWAY

WALKWAY

Bridge Components: Pathway Elements

15 20 WIDE

W A h


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Bridge Components: West Approach

AT-GRADE APPROACH ELEVATED APPROACH

WEST APPROACH

E t A h


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Bridge Components: East Approach

AT-GRADE APPROACH ELEVATED APPROACH

EAST APPROACH

E t A h


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Bridge Components: East Approach

STAIRS ELEVATOR

EAST APPROACH

P i S


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Bridge Components: Primary Span

CABLE STAY

TIED ARCH

TUBE / TRUSS

PRIMARY SPAN

C bl St


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Primary Span Types: Cable Stay

C bl St


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C bl St


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C bl St


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C bl St


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Preliminary Design Concept: Cable Stay

C bl St


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VIEW FROM NORTHEAST

C bl St


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VIEW FROM NE 100THST AND 1STAVE N.

C bl St


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VIEW FROM SPAN

P i S T Tied Arch


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Primary Span Types: Tied Arch

P i S T Tied Arch


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P i S T Tied Arch


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P i S T Tied Arch


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li i i C Tied Arch


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Preliminary Design Concept: Tied Arch

P li i D i C Tied Arch


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P li i D i C Tied Arch


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VIEW FROM NORTHEAST

P li i D i C t Tied Arch


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VIEW FROM NE 100TH

ST AND 1ST

AVE N.

P li i D i C t Tied Arch


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VIEW FROM SPAN

Primary Span Types: Tube / Truss


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Preliminary Design Concept: Tube / Truss


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VIEW FROM NORTHEAST



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VIEW FROM NE 100TH

ST AND 1ST

AVE N.



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VIEW FROM WITHIN WEST APPROACH


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Project Timeline


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Project Funding & TIGER Grant

Funding is provided by $5 million contributions fromSDOT and Sound Transit. An additional $15 million isrequired fully fund the project.

SDOT is seeking additional funding through a FederalTIGER Grant application.

The TIGER Grant application is available on our

website.

Outreach Activities


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Outreach Activities

Held community briefings throughout the spring

Open Housetonight!

Another round of briefings will be held once a finalrecommendation is made in the fall


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Next Steps

Keep in touch!

Join our email list sign up at welcome table

Check out our website:www.seattle.gov/transportation/northgatepedbridge.htm
http://www.seattle.gov/transportation/northgatepedbridge.htmhttp://www.seattle.gov/transportation/northgatepedbridge.htmhttp://www.seattle.gov/transportation/northgatepedbridge.htmhttp://www.seattle.gov/transportation/northgatepedbridge.htm


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Questions?


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Thanks!

http://www.seattle.gov/transportation

Screening Criteria:


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Screening Criteria:Alignment Options

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