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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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Primary Span Types: Cable Stay
C bl St
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Primary Span Types: Cable Stay
C bl St
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Primary Span Types: Cable Stay
C bl St
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Preliminary Design Concept: Cable Stay
C bl St
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Preliminary Design Concept: Cable Stay
VIEW FROM NORTHEAST
C bl St
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Preliminary Design Concept: Cable Stay
VIEW FROM NE 100THST AND 1STAVE N.
C bl St
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Preliminary Design Concept: Cable Stay
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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Primary Span Types: Tied Arch
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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Primary Span Types: Tied Arch
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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Preliminary Design Concept: Tied Arch
P li i D i C Tied Arch
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Preliminary Design Concept: Tied Arch
VIEW FROM NORTHEAST
P li i D i C t Tied Arch
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Preliminary Design Concept: Tied Arch
VIEW FROM NE 100TH
ST AND 1ST
AVE N.
P li i D i C t Tied Arch
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Preliminary Design Concept: Tied Arch
VIEW FROM SPAN
Primary Span Types: Tube / Truss
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Primary Span Types: Tube / Truss
Primary Span Types: Tube / Truss
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Primary Span Types: Tube / Truss
Primary Span Types: Tube / Truss
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Primary Span Types: Tube / Truss
Primary Span Types: Tube / Truss
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Primary Span Types: Tube / Truss
Primary Span Types: Tube / Truss
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Primary Span Types: Tube / Truss
Primary Span Types: Tube / Truss
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Primary Span Types: Tube / Truss
Preliminary Design Concept: Tube / Truss
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Preliminary Design Concept: Tube / Truss
Preliminary Design Concept: Tube / Truss
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Preliminary Design Concept: Tube / Truss
Preliminary Design Concept: Tube / Truss
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Preliminary Design Concept: Tube / Truss
VIEW FROM NORTHEAST
Preliminary Design Concept: Tube / Truss
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Preliminary Design Concept: Tube / Truss
VIEW FROM NE 100TH
ST AND 1ST
AVE N.
Preliminary Design Concept: Tube / Truss
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Preliminary Design Concept: Tube / Truss
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.htm8/12/2019 Final_open House Presentation
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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