HomeMy WebLinkAboutWS4 - Burlington Street Bridge UpdateCONSULTANT PRESENTATION TO FOLLOW:
By: Michael Kurek, Project Manager, HDR Engineering
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CITY OF IOWA CITY
410 East Washington Street
Iowa City, Iowa 52240- 1 826
(319) 356-5000
(319) 356-5009 FAX
www.icgov.org
BURLINGTON STREET BRIDGE
BUILDING BETTER CONNECTIONS
City Council
Update Meeting
November 3, 2025
BURLINGTON STREET BRIDGE
BUILDING BETTER CONNECTIONS
AGENDA
Project Background and Overview
Needs/Wants
Stakeholder Engagement Summary
Advancing Concept Alternatives
Selected Alternatives
Next Steps
BURLINGTON STREET BRIDGE
BUILDING SETTER CONNECTIONS
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PRO ECT BACKGROUND
BURLINGTON STREET BRIDGE
le BUILDING BETTER CONNECTIONS
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City/University of Iowa/Iowa
DOT shared pedestrian
bridge
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City -owned bridge
(built in 1915)
(built in 1969)
Iowa DOT owned bridge
University of Iowa -owned
Burlington St Dam
-AP
(built in 1906)
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SCOPE OF THE STUDY
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AND RIVERSIDE DRY STATE HIGHWAY 6
INTERSECTION
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NEEDS AND WANTS
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BURLINGTON STREET BRIDGE
BUILDING BETTER CONNECTIONS
DETERMINED NEEDS
*(Council Strategic Area)
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Bike &
Pedestrian: create
lower stress,ADA-
compliant and
dedicated space to
walk and bile
(Mobility)
Roadway &
Intersections:
design safer roads
and intersections
that function for all
modes
(Mobility, Safety &Well -Being)
Transit: create and
enable safe, reliable,
and convenient
transit service and
stops
/
BMW---
(Mobility)
BURLINGTON STREET BRIDGE
BUILDING SETTER CONNECTIONS
DETERMINED NEEDS
Emergency
Response:
prioritize
emergency vehicle
access to the
medical center
during and after
construction
(Safety & Well -Being)
1 O L
III - III
III n III
Campus
Considerations:
develop a sense of
place that is safe
and attractive
(Safety & Well -Being)
Access During
Construction:
minimize
construction
impacts and
disruption to
traffic, adjacent
businesses,
properties
(Economy)
*(Council Strategic Area)
M1
Burlington
Street Dam:
safety
(Economy, Safety & Well -Being)
BURLINGTON STREET BRIDGE
BUILDING SETTER CONNECTIONS
DETERMINEDWANTS
*(Council Strategic Area)
Ownership transfers of the Burlington Street Bridge, pedestrian
infrastructure, and Grand Avenue, and use of specific maintenance
equipment
Signal pre-emption for emergency response
Campus considerations and area considerations for gamedays
Existing bridge should remain accessible/in service during
construction as much as possible
Addition of recreation for the Burlington Street Dam (Economy)
BURLINGTON STREET BRIDGE
BUILDING SETTER CONNECTIONS
PROJECT CONSTRAINTS
*(Council Strategic Area)
Costs Financial)
Closed or staged construction and Constructability(Economy)
Environmental impacts
Utility impacts (Economy)
Property Owner/Business impacts (Economy)
BURLINGTON STREET BRIDGE
BUILDING SETTER CONNECTIONS
STAKEHOLDER
ENGAGEMENT
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BURLINGTON STREET BRIDGE
BUILDING BETTER CONNECTIONS
STAKEHOLDER ENGAGEMENT
Technical Advisory Committee (TAC)
Decision making committee
City of Iowa City, Iowa Department of Transportation, University of Iowa, Metropolitan Planning
Organization of Johnson County
Stakeholder Working Group (SWG)
Representatives that rely on Burlington Street Bridge for critical functions
Stakeholder I:I meetings
Held with those directly impacted by project improvements
Public engagement
Iowa City community
Updates to governing bodies and elected officials
Referenced previous planning documents
BURLINGTON STREET BRIDGE
BUILDING SETTER CONNECTIONS
SURVEY SUMMARY
Virtual Survey# 1 1282 Responses
45-54 yi
Virtual Survey #2
552 Responses
25-34 years old
14%
55 years old or above
14%
552 responses:
■ 9% of respondents were current students
■ 39% used the corridor as a motorist 1 27% as a pedestrian 1 15% as a bicyclist 1 19% as transit rider
I years old
Under 18 years old
Wer not to answer
2%
18-4 years old
9%
L L'a-CTY 3/CAI.I UId
12%
PUBLIC SURVEY OVERVIEW
Function
Aesthetics
Use of Features
Preferences
Construction Phasing
Open Write In
552 responses:
■ 9% of respondents were current students
■ 39% used the corridor as a motorist 1 27% as a pedestrian 1 15% as a bicyclist 1 19% as transit rider
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ADVANCEMENT OF
ALTERNATIVES
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BURLINGTON STREET BRIDGE
BUILDING BETTER CONNECTIONS
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Project team worked with the TAC to discuss benefits and drawbacks of each
alternative with Needs and Wants screening criteria
Refine Alternatives and receive Input from the SWG,TAC, and community
Repeat
West Campus
Alternatives
KEY AREAS Q
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Burlington St Bridge*'
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Alternatives
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Roadway &Crossing
Alternatives
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Burlington Street
Burlington St Dam
Alternatives
BURLINGTON STREET
BRIDGE
BURLINGTON STREET BRIDGE
BUILDING BETTER CONNECTIONS
KEY AREAS'
Melrose Ave
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'rand
Avenue
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Burlington St
Bridge
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Burlington Street
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BURLINGTON STREET BRIDGE
Cost economical
(Constraint)
Contextual for the area
kCampus Considerations)
Allows bridge to be staged if needed for
pedestrians, vehicles, utilities
(Access During Construction, Transit, Emergency Response, Constraint)
- Improves bike and pedestrian comfort
and connectivity
(Bike & Ped)
Enhances river recovery
/
Maintains vi ewscape
(Campus Considerations)
20
#1 Traditional Beam Bridge
BURLINGTON STREET BRIDGE
BUILDING SETTER CONNECTIONS
2-Span
or
3-Span
Aesthetic Treatments
*10 &*11 Ph
Pedestrian
Widths (South
and North Side)
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Bikeway
Widths &
Protection
Median
Separation
between EB &
WBTraffic
BURLINGTON ST DAM
ALTERNATIVES
BURLINGTON STREET BRIDGE
BUILDING BETTER CONNECTIONS
KEY AREAS
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Grand
Avenue
AL -
Melrose Ave Ap-
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Burlington Street
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Burlington
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Alternatives
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BURLINGTON ST DAM
Cost economical
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■ Increases dam safety
(Dam Safety)
Maintains pool elevation and does not negatively impact.
City water supply/function of the alluvial wells
Iowa rowing team
University power plant or water plant river Intakes
Preserves potentially eligible historic district
onStla00 eae r and 500- year floodplain
(c
Allows access to river's edge
'Bike & Ped, Dam Safety)
Allows for a grade separated trail while improving
Hydraulics building operations
(Bike & Ped,
24
#2a Modify - Safety
Modify - Safety + Passage + Recreation
BURLINGTON STREET BRIDGE
BUILDING SETTER CONNECTIONS
ALTERNATIVE ADVANCED
Dam Hazard
Mitigation
Fish & Boater
Bypass
25
UDtional Kecreation reature
_WL a i
AWL—
Performance Surf
Wave
Multi -User
Recreation
CONTINUING AUTHORITIES PROGRAM
CAP Authority
Federal Cost Limit
Feasibility (Study) Cost Share
Design & Construction Cost Share
Sponsor Responsibilities
Total Project Cost:
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Section 206 —Aquatic Ecosystem Restoration
$15 million (total per project)
50% federal / 50% sponsor
65% federal / 35% sponsor
Cost share, LERRDs, long-term O&M
—$23.5 million cost shared
First $100k funded by USACE and takes approximately 18 months to determine,
with an indication after about 9 months- I year
Requires Aquatic Ecosystem Restoration to be the primary point of the project
26
BURLINGTON STREET BRIDGE
BUILDING SETTER CONNECTIONS
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ROADWAY AN D
CROSSING
ALTERNATIVES
BURLINGTON STREET BRIDGE
BUILDING BETTER CONNECTIONS
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KEY AREAS
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Grand
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Melrose Ave
Roadway &Crossing
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ROADWAYAND CROSSING
Increases pedestrian and bicycle
comfort and safety
(Bike & Ped)
Increases ability for river recovery
(Dam Safety)
Allows more roadway space for
improved intersection capacity
(Koaaway 6c Intersection, I ransit, triz))
Least impactful to Hydraulics building
operation and picnic area
k,,.ampus t.onsiaeraLions, Hccess curing ,-on5LruCL1on, Constraints)
Allows access to river's edge
(Bike & Ped, Dam Safety)
Improves transit reliability
k i ransiL)
Roadway and Crossing Alternatives
#2 Grade Separated — Under w/ At -Grade, Along Riverside
BURLINGTON STREET BRIDGE
29
BUILDING SETTER CONNECTIONS
30
Underpass with At -Grade Crossing
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WEST CAMPUS
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BURLINGTON STREET BRIDGE
BUILDING BETTER CONNECTIONS
West Campus °t�
Alternatives
Grand
Avenue
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Burlington Street
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KEY AREAS
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WEST CAMPUS
■ Two -Way Byington and removal of the
Byington/Melrose intersection to
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prioritize EMS and traffic flow '
ktmergency response, Roadway & Intersecuon, t5me & rea, i ransiL, 1—ampus Considerations)
■ Increases bicycle and pedestrian comfort
(Bike & Ped)
■ Provides a centralized transit hub and
dedicated sense of place
(Transit, Emergency Response, Bike & Pe( impus Considerations)
■ Promotes more intuitive wayfinding
k F\UdU VVdj IX IIILCI JZt_LIUI I, Bike & Ped, I f dnsit, Cai I Ipua L.VI IJIUC1 dLIUI IJ, LI I ICI 6C„Ly Response)
■ Increased Safety by reducing
pedestrian/vehicle conflict points
34
#4A Ped Plaza —West Bus Hub
#4113 Ped Plaza — East Bus Hub /w Grade Separation
BURLINGTON STREET BRIDGE
BUILDING SETTER CONNECTIONS
WEST CAMPUS ALTERNATIVES
WEST BUS HUB
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091,
Bus Grand Ave �----------- ----
Stop�-
.� Bus
� Stop
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Melrose Ave
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-------- --- _ ----
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GRADE SEPARATED
EAST BUS HUB
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SELECTED ALTERNATIVES
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BURLINGTON STREET BRIDGE
BUILDING BETTER CONNECTIONS
ALTERNATIVES ADVANCED
Roadway and Crossing Alternatives Burlington StreetAlternatives#1 At-Grnrla Ainng R
#2 Grade Separated — Under w/ At -Grade, Along Riverside #2a Modify - Safety
#3 Grade Separated - Over, Along Riverside #2b Modify - Safety + Passage + Recreation
#4 Grade Separated - Over, Around fa jai l l 1XICH IUVW
Burlington St Bridge Alternatives
West Campus Alternatives
#1
Traditional Beam Bridge
#1A
Two -Way GrandAven,__
#1 B
Two -Way Grand Ave —Transit Only Lane
#2
Traditic,,dl Bridges w/ Separate Multi -Modal Bridge
#2
One -Way Grand Ave (WB)
#3
Signature Bridge
#3
One -Way Grand Av,- (FR)
#4
Signature Bridge w/ Separate Multi -Modal Bridge
#4A
Ped Plaza —West Bus Hub
#5
Separate Ped Bridge North
#4B
Ped Plaza — East Bus Hub /w Grade Separation
37
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u oNEXT STEPS
All
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BURLINGTON STREET BRIDGE
BUILDING SETTER CONNECTIONS
NEXT STEPS
Planning Stud
• December 9, 2026 1 Refined Preferred Concept
with Renderings
• April 2026 1 Antp. Environmental Clearance
Next Phase:
• Winter 2025 —Spring 2027 1 Preliminary Design
• Spring 2027 —Fall 2028 1 Final Design
• Fall 2028 1 Project Letting/Bid Project
• Spring 2029 1 Construction Start
* Date to be coordinated with IaDOT Hwy-6 Bridge Replacement
Project contact
Justin Harland
Iowa City PublicWorks
jharland@iowa-city.org
319-356-5154
Project Email:
Burl ingtonStreetBridge _iowa-
cit .or
Thank you!
BURLINGTON STREET BRIDGE
BUILDING SETTER CONNECTIONS
PRESENTATION CONCLUDED
I r I
CITY OF IOWA CITY
410 East Washington Street
Iowa City, Iowa 52240- 1 826
(319) 356-5000
(319) 356-5009 FAX
www.icgov.org