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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

    February 3, 2010

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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

    River Street and Western AvenueBridge Rehabilitation ProjectPublic Information Meeting

    February 3, 2010

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    River Street Bridge

    Constructed in 1925 Earth-FilledReinforced Concrete

    Arch Bridge

    3 Spans Roadway Surface

    Rehabilitation in 1981

    River Street and Western Avenue Bridge Rehabilitation Project Public Information Meeting

    February 3, 2010

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    RIVE

    RSTREE

    TBRIDGE

    SOLDIERSFIELDROAD

    MEMORIALD

    RIVE

    RIVER

    STREET

    CAMBRID

    GESTREET

    River Street Bridge

    BOSTON

    NORTHCAMBRIDGE

    CHARLES RIVER

    River Street and Western Avenue Bridge Rehabilitation Project Public Information Meeting

    February 3, 2010

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    River Street BridgeExisting Plan and Elevation

    River Street and Western Avenue Bridge Rehabilitation Project Public Information Meeting

    February 3, 2010

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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

    February 3, 2010

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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

    River Street and Western Avenue Bridge Rehabilitation Project Public Information Meeting

    February 3, 2010

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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.

    River Street and Western AvenueBridge Rehabilitation ProjectPublic Information Meeting

    February 3, 2010

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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

    River Street and Western AvenueBridge Rehabilitation ProjectPublic Information Meeting

    February 3, 2010

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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.

    River Street and Western AvenueBridge Rehabilitation ProjectPublic Information Meeting

    February 3, 2010

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    River Street Bridge

    Rendering of Rehabilitated Bridge (Looking Northeast to Cambridge)

    River Street and Western Avenue Bridge Rehabilitation Project Public Information Meeting

    February 3, 2010

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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

    February 3, 2010

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    WESTERNAVENUESOLDIERSFIEL

    DROAD

    MEMORIALDRIVE

    Western Avenue BridgeBOSTON

    CAMBRIDGENORTH

    CHARLES RIVER

    River Street and Western AvenueBridge Rehabilitation ProjectPublic Information Meeting

    February 3, 2010

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    Western Avenue BridgeExisting Plan and Elevation

    River Street and Western Avenue Bridge Rehabilitation Project Public Information Meeting

    February 3, 2010

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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

    February 3, 2010

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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

    River Street and Western AvenueBridge Rehabilitation ProjectPublic Information Meeting

    February 3, 2010

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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

    February 3, 2010

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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

    River Street and Western AvenueBridge Rehabilitation ProjectPublic Information Meeting

    February 3, 2010

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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.

    River Street and Western Avenue Bridge Rehabilitation Project Public Information Meeting

    February 3, 2010

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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

    River Street and Western Avenue Bridge Rehabilitation Project Public Information Meeting

    February 3, 2010

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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]

    River Street and Western AvenueBridge Rehabilitation ProjectPublic Information Meeting

    February 3, 2010

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    River Street and Western Avenue

    Discussion

    River Street and Western AvenueBridge Rehabilitation ProjectPublic Information Meeting