riverst westernave pres 020310
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Public Informational Meeting
Rehabilitation of the River Street and Western Avenue Bridges
Wednesday, February 3, 2010
6:00 PM - 8:00 PM
Honan-Allston Branch Library
300 North Harvard Street
Allston, MA
River Street and Western Avenue Bridge Rehabilitation Project Public Information Meeting
February 3, 2010
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Agenda Review of the Accelerated Bridge Program River Street General Information, Conditions,
and Rehabilitation
Western Avenue General Information,Conditions and Rehabilitation
Traffic Considerations and Timeline Discussion
River Street and Western Avenue Bridge Rehabilitation Project Public Information Meeting
February 3, 2010
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Accelerated Bridge Program
2009 Program Overview Authorization:
Chapter 233 of the Acts of 2008Program must be complete by 2016
Program Goals:
Improve the Condition of the Commonwealth's BridgesStimulate Economic Development and Job CreationSave Money by Completing Projects Sooner
Complete Projects Efficiently and InnovativelyProvide Access and Opportunity for allManage with Transparency and Accountability
River Street and Western Avenue Bridge Rehabilitation Project Public Information Meeting
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Accelerated Bridge ProgramProgram Overview- 8 years only
Size and Scope
Former MassHighway: $2.078 billion rehabilitation or replacement of 189 bridges preservation of 305 bridges
Former DCR: $906 million rehabilitation or replacement of 29 bridges preservation of 50 bridges
MassDOT Total Program: $2,984,000,000River Street and Western Avenue
Bridge Rehabilitation ProjectPublic Information Meeting
February 3, 2010
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AndersonMemorial BridgeWeeks Bridge
LongfellowBridge
BU B ridge
River StreetBridge
WesternAvenue Bridge
Craigie Bridge &Craigie Drawbridge
Project Location
AndersonMemorial Bridge
Weeks Bridge
LongfellowBridge
BU B ridge
River StreetBridge
Western Avenue Bridge
Craigie Bridge &Craigie Drawbridge
NORTH
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River Street Bridge
Constructed in 1925 Earth-FilledReinforced Concrete
Arch Bridge
3 Spans Roadway Surface
Rehabilitation in 1981
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RIVE
RSTREE
TBRIDGE
SOLDIERSFIELDROAD
MEMORIALD
RIVE
RIVER
STREET
CAMBRID
GESTREET
River Street Bridge
BOSTON
NORTHCAMBRIDGE
CHARLES RIVER
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River Street BridgeExisting Plan and Elevation
River Street and Western Avenue Bridge Rehabilitation Project Public Information Meeting
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River Street BridgeExisting Cross-Section
Existing Cross Sectionthrough Parapet, Spandrel
Wall, Arch Ring, Sidewalk,Roadway, and Utilities.
Existing Conditions will needto be Upgraded from OriginalDesign to meet current loadand vehicular impactrequirements.
River Street and Western AvenueBridge Rehabilitation ProjectPublic Information Meeting
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River Street Bridge
Existing ConditionsMisalignment of the Parapet(Railing) over the Arch Crown, dueto Spandrel Wall Movement
Current Design offers very littleresistance to Lateral Movement atthe Parapet, particularly near theCrowns of the Arches
Deterioration presentthroughout the exposedconcrete surfaces
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River Street BridgeExisting Conditions
Cross-Slope deterioration atSidewalks contribute to waterintrusion damage.
As Ring Stones continue toseparate, this condition willdeteriorate.
Significant Spalling on the ArchBarrels.
Conditions will continue todeteriorate without rehabilitationand may effect load capacity.
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River Street Bridge
Existing Conditions(From 2009 Inspection Report)
Bridge Component Condition
Sidewalks and ParapetsPOOR
(Railing)
Arch/ Arch Ring POORSpandrel Walls FAIR
Substructure FAIRPiers FAIR
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River Street BridgeRehabilitation
Spandrel Walls, Parapets, Ring Stones, and Sidewalks willbe removed and replaced.
Sidewalks, Parapets, and Spandrel Walls will be updated tocurrent codes and standards.
Installation of a new drainage system
Update Roadway Geometry
Rehabilitate the Soldiers Field Road Underpass under River
Street.
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River Street Bridge
Rendering of Rehabilitated Bridge (Looking Northeast to Cambridge)
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Western Avenue Bridge
Constructed in 1924
Earth-Filled Reinforced Concrete Arch Bridge 3 Spans
Roadway Surface Rehabilitation in 1981River Street and Western Avenue
Bridge Rehabilitation Project Public Information Meeting
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WESTERNAVENUESOLDIERSFIEL
DROAD
MEMORIALDRIVE
Western Avenue BridgeBOSTON
CAMBRIDGENORTH
CHARLES RIVER
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Western Avenue BridgeExisting Plan and Elevation
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Western Avenue BridgeExisting Cross-Section
Existing Cross Section through
Parapet, Spandrel Wall, ArchRing, Sidewalk, Roadway, andUtilities.
Existing Conditions will need tobe Upgraded from OriginalDesign to meet current load andvehicular impact requirements.
River Street and Western AvenueBridge Rehabilitation ProjectPublic Information Meeting
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Western Avenue BridgeExisting Conditions
Efflorescence and Cracking in theCambridge Arch suggests water intrusion
Location of cracking and efflorescence is
near the two 30 Water Mains (PossibleLeak)
Severe Spalling near the interfacebetween the Structural Concrete and theArchitectural Concrete
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Western Avenue BridgeExisting Conditions
The Arch Barrels are in generally Good ConditionRiver Street and Western Avenue
Bridge Rehabilitation Project Public Information Meeting
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Western Avenue Bridge
Existing Conditions
(From 2007 Inspection Report)
Bridge Component ConditionSidewalks and Parapets POOR
(Railing)
Arch/ Arch Ring FAIRSpandrel Walls FAIR
Substructure SATISFACTORYPiers SATISFACTORY
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Traffic ConsiderationsCurrent Conditions
40 wide roadway with two 8.5 sidewalks.
Three vehicular lanes of traffic in one direction.
Evaluate maintaining the same level of vehicular capacitywhile introducing a bike lane.
Maintain a comfortable pedestrian environment by providingupdated sidewalks.
Maintain waterway access.
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Boston Bike Network
Redesigning 10 miles of Boston streets to beretrofitted with bikeways.
Pedestrian and bike access analysis will becoordinated with the Charles River Basin WideBike Study
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D i Ti li
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Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May2009 2009 2010 2010 2010 2010 2010 2010 2010 2010 2010 2010 2010 2010 2011 2011 2011 2011 2011
Start
Design Timeline
Preliminary / 25% Design 50% Design 75% Design Final Design
River Street and Western AvenueBridge Rehabilitation ProjectPublic Information Meeting
February 3, 2010
PreliminaryDesign Meeting
ConceptualDesign Meeting
25% DesignMeeting
FinalDesignMeeting
CoordinationMeeting
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To submit comments or request more
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To submit comments or request moreinformation, please contact:
Frank A. Tramontozzi, P.E., Chief EngineerAttn: Shoukry A. Elnahal, P.E
Director of Accelerated Bridge ProgramMassachusetts Department of Transportation - Highway Division10 Park PlazaBoston, MA 02116
617-973-7800
To be added to the project distribution database, please contact:
Stephanie Boundy, Public Outreach CoordinatorMassDOT, Accelerated Bridge Program617-973-8049 or [email protected]
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River Street and Western Avenue
Discussion
River Street and Western AvenueBridge Rehabilitation ProjectPublic Information Meeting