mpk-03 20130612 public meeting slides...wooden deck 16. 1: construct intersection reconfiguration/...
TRANSCRIPT
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Montgomery County Department of Transportation (DOT) Division of Transportation Engineering
Public Meeting #2Replacement of Park Valley Road Bridge
No. MPK-03 over Sligo Creek
June 12, 2013 1
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U d t P j t C t E ti t d F di
Purpose of the Meeting
Present Modified Scope and Design Concepts
Present Construction Phases and Traffic Maintenance
Update Project Cost Estimates and Funding
Update Project Schedule
Obtain Community Feedback
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Project Location
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S f
Existing Bridge
30-foot Span Concrete Deck/Beams with Asphalt SurfaceStone Masonry Bridge BarriersConcrete Abutments/Wingwalls with Stone Masonry FaçadeBuilt in 1931 (81 years old)
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Existing Bridge
Lane Width = Two 10 feet LanesShoulder Width = 0 feetClear Roadway Width = 20 feetSidewalk Width = 5 feet 1 inch
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P id i t dP id i t d
Previous Project Scope
Replace deteriorating Reconfigure existing bridge and substandard mini Provide painted approach roadway circle intersectioncrosswalk at the pavementwest of the bridge
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feet wide roadway and 12
bridge barriers meeting
t b id b i
Previous Proposed Bridge Plan & Elevation
Concrete structure with 26 feet wide roadway and 12 feet wide shared use path
Crash tested solid concrete bridge barriers meeting FHWA safety standards
New stone veneer on concrete bridge barriers
New stone veneer on concrete arch beams/ abutments/wingwalls
Scour counter measures
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Previous Proposed Bridge Section
Concrete Slab Beams with Concrete OverlayConcrete Bridge Barriers with Stone VeneerConcrete Exterior Arch Beams with Stone Veneer Lane Width = Two 10 feet LanesShoulder Width = 3 feetClear Roadway Width = 26 feetShared Use Path Width = 12 feet
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3 I th h t il f ADA li
5 R th i ti t
Public Comments and DOT’s Responses
COMMENTS INCORPORATED:1. Provide a separated pedestrian bridge 2. Narrow the bridge section3. Improve the approach trail for ADA compliance 4. Community review stone veneer design plans and sample
panel
COMMENTS NOT INCORPORATED:5. Reuse the existing stone masonry6. Provide slot openings on bridge barriers7. Provide colored exposed aggregate bridge surface
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i i i l i t ti
i t ti 8’ 0” SHARED USE PATH
5’-8” CONCRETE SIDEWALK
Modified Project Scope
Replace deteriorating existing bridge and approach roadway pavement 8’-0” SHARED USE PATH
Reconfigure substandard mini circle intersection 12’-0” WIDE PEDESTRIAN BRIDGE
Provide painted crosswalk at the
8’-0” SHARED USE PATHRECONFIGURE SUBSTANDARD intersectionMINI CIRCLE INTERSECTION
26’-0” ROADWAY AND BRIDGEPROVIDE PAINTED Install 12 feet wide CROSSWALK
pedestrian bridge
Realign 8 feet wide hiker/biker trail
5-0” ASPHALT SIDEWALK CONNECTOR
Install 5 feet wide sidewalk connector 8’-0” SHARED USE PATH
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concrete arch beams/
Modified Proposed Bridge Plan & Elevation
Concrete structure with 26 feet wide roadway and 5 feet 8 inches wide sidewalk
Crash tested solid concrete bridge barriers meeting FHWA safety standards
New stone veneer with recess on both faces of concrete bridge barriers
New stone veneer on concrete arch beams/ abutments/wingwalls
Scour counter measures
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Modified Proposed Bridge Section
Concrete Slab Beams with Concrete OverlayConcrete Bridge Barriers with Stone Veneer / RecessConcrete Exterior Arch Beams with Stone VeneerLane Width = Two 10 feet LanesShoulder Width = 3 feetClear Roadway Width = 26 feetSidewalk Width = 5 feet 8 inches
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Bridge Barrier Elevation View
Proposed Bridge Barrier (Inside Elevation)
Existing Bridge Barrier (Inside Elevation)
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Bridge Plan View
Proposed Bridge
Existing Bridge14
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Bridge Elevation View
Proposed Bridge
Existing Bridge15
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Proposed Pedestrian Bridge
Prefabricated bridgeSteel truss12 feet wide wooden deck
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1: Construct intersection reconfiguration/ pede/trail realignment and maintain pedestrian/bics thru the existing roadway bridge
Ph 2 C t t d b id / h d d 2: Construct roadway bridge/approach roadwain pedestrian/bicycle access thru the new pedee
ular Traffic Detour
iles Detour RouteValley Road – Piney h Road (MD 320) –
Construction Phases/Traffic Maintenance
Construction Phases and Pedestrian/Bicycle AccessPhase 1: Construct intersection reconfiguration/ pedestrian bridg ycle accesPhase ay and maint strian bridg
Vehic
1.2 MPark BrancSligo Creek Parkway
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Project Cost and Funding
Roadway Bridge/Approach Roadway ReplacementCurrent Estimated Total Cost = $3.4M 80% Funded by Federal Funds20% Funded by County Funds
Intersection ReconfigurationPedestrian BridgeTrail Realignment
Current Estimated Total Cost = $750K 100% Funded by County Funds
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Project Schedule
Preliminary Design Complete Fall 2013
Final Design Complete Summer 2014
Advertise for Construction Winter 2014/15
Begin Construction Spring 2015
End Construction Spring 2016
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Di i i f T t ti E i i
Ph 240 777 7279 F 240 777 7277
Public Input
Proceed with Final Design based on Comments from Agencies – FHWA, MSHA, MHT, MCDPS etc.Feedback from Community – Comment Period thruJuly 10, 20131. Tonight’s Feedback2. By Postage Paid Public Comments Form3. By Mail or Email to MCDOT Project Manager
For project information, please contact Project Manager: Greg HwangMailing Address: Montgomery County Department of Transportation
Division of Transportation Engineering100 Edison Park Drive, 4th FloorGaithersburg, Maryland 20878
Email: [email protected]: 240-777-7279 Fax: 240-777-7277
Division of Transportation Engineering Home Page:http://www.montgomerycountymd.gov/DOT-DTE/index.html 20