Replacement of N. Carlin Springs Road Bridge over George Mason … · 2017-10-18 · Replacement of...

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Replacement of N. Carlin Springs Road Bridge over George Mason Dr. Approximate schedule with phases and proposed Maintenance of Travel (MOT) plans October 2017

Transcript of Replacement of N. Carlin Springs Road Bridge over George Mason … · 2017-10-18 · Replacement of...

Page 1: Replacement of N. Carlin Springs Road Bridge over George Mason … · 2017-10-18 · Replacement of N. Carlin Springs Road Bridge over George Mason Dr. ... October 2017. Project Elements

Replacement of N. Carlin Springs Road Bridge over George Mason Dr.

Approximate schedule with phases and proposed Maintenance of Travel (MOT) plans

October 2017

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Project Elements

• Removal of existing bridge span over George Mason Drive

• Construction of new bridge with four travel lanes, bike lanes, wider sidewalks, jointless deck, higher clearance and refurbished bridge abutments

• Installation of new sanitary sewer line under N. Abingdon Street and Carlin Springs Road

• Site restoration & enhancement

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5’ 25.5’ 4’ 25.5’ 5’

8’ 5’ 11’ 10.5’ 10.5’ 11’ 5’ 8’

Existing Cross Section – 65’ Wide

Existing Centerline

Final Centerline

Planned Cross Section – 69’ Wide

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New Bridge’s Design

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Projected Schedule

• November 1 _ Contractor’s “Notice to Proceed”

• December 1– Demolition & New Construction begins

• Fall 2019 – Construction complete• Spring 2020 – Landscape

restoration

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Phase 1 Work & Maintenance of Traffic

• Set up of work site (November 2017)

• Removal of roadway median; existing bridge is split into two parallel bridge spans. A temporary barrier is installed between the spans.

• Southern span (northbound lanes) is removed.

• Traffic is reduced to one lane per direction across Carlin Springs Road bridge

• When south span is removed, all traffic on Carlin Springs and George Mason must be rerouted via detours (December 1-3 weekend)

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Detours - Used Only During Short Term Closures

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Phase 2 Work & Maintenance of Traffic

• Construction of new south side bridge section

• All traffic (vehicles and pedestrians) is shifted to the north span

• When steel beams are installed both roads will be closed for one day (a Saturday, date TBD)

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Phase 3 Work & Maintenance of Traffic

• Removal of existing north side span

• Construction of new north side bridge span

• Construction of new sewer line in Carlin Springs Rd and Abingdon Street.

• All traffic (vehicles and pedestrians) is shifted onto the new south side span.

• When north span is removed, all traffic on Carlin Springs & George Mason Drive must be rerouted via detours (a weekend in early summer 2018), Also closure on one Saturday for steel beams installation.

• Abington Street within sewer line construction zone is reduced to one lane (north bound only).

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Sewer Line Construction

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Phase 4 Work & Maintenance of Traffic

• Refurbishment of bridge abutments and wing walls

• Completion of permanent sidewalks on new bridge

• Vehicular traffic on Carlin Springs Road will be returned to two lanes in each direction across bridge

• Full pedestrian travel (both sides of bridge) will be restored after permanent sidewalks are completed

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Completion

• Removal of construction trailer, temporary signage and building materials

• Restoration of site and planting of new landscaping

• No impacts on traffic movement (vehicles or pedestrians)

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Expected Community Concerns

• Cut-through traffic as a result of short-term lane closures and traffic detours

• Potential traffic congestion from lane reductions & detours during construction

• Some access restriction on N. Abingdon Street

• Pedestrian crossings of N. Carlin Springs Road at N. Wakefield and N. Edison streets

• Rerouting or disruptions to Metrobus Route 25 service

• Noise & dust from demolition and construction

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Contacts:

Web page: www.arlingtonva.us/projects/carlin-springs-road-bridge/

• Arlington’s Bridge Engineer – Ravinder Singh, 703 228-3661,

[email protected]

• Arlington’s Construction Manager – TBD, will be posted on webpage

• Rustler Construction’s Site Manager -

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Landscaping – Tree Removal, Replacement & Protection