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Project 607981
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Project Description:
SOMERVILLE- MCGRATH BOULEVARD CONSTRUCTION
The McGrath Boulevard project involves the demolition of the McCarthy Viaduct within the McGrath Highway Corridor and replaces it with a network of at-grade intersections. The project will provide a Complete Streets design for the McGrath corridor by incorporating access for all modes and for users of a diverse range of ages and abilities; improve traffic operations at seven of fifteen intersections compared to the No Build due to refined signal timing and reduced volumes; reduce roadway width and congestion through management of circulation and turning movements; improve multi-modal access to Union Square and Brickbottom via the McGrath corridor, Somerville Avenue, and Poplar Street; provide at-grade intersections that are more intuitive for wayfinding; create enhanced pedestrian access across the corridor; allow the reclamation of the right-of-way for other uses; provide for urban design and community character improvements; and provide an opportunity for compliance with the Americans with Disabilities Act of 1990 and the Massachusetts Architectural Access Board by being rigorously designed to current accessibility and mobility standards and regulations.
Location:
  • City of Somerville
    		•
    Design Responsibility: Consultant
    Right of Way Responsibility: MassDOT
    Construction Begins: Summer 2028
    Project Manager: Christopher I Cameron
    Estimated Total Contract Cost: $118,005,906.50
    Estimated Total Federal Participating Construction Cost: $123,447,666.00
    Funding Provision: This project is planned to be funded through the 2028 Transportation Improvement Program for the Boston Metropolitan Planning Organization.
    District: District 4
    Current Status: 25% Package Received (as of 04/17/2026 )

    Contracts (6) Progress
    # 77864 -- Design -- Hwy Eng Open End
    Master Service Agreement for statewide design and review services. Final
    # 77868 -- Design -- Hwy Eng Open End
    Master Service Agreement for statewide design and review services. Final
    # 77871 -- Design -- Hwy Eng Open End
    Master Service Agreement for statewide design and review services. Final
    # 77875 -- Design -- Hwy Eng Open End
    Master Service Agreement for statewide design and review services. Final
    # 77885 -- Design -- Hwy Eng Open End
    Master Service Agreement for statewide design and review services. Final
    # 83894 -- Design -- MEPA/NEPA Compliance
    McCarthy Boulevard Area Traffic Analysis: Modeling Support Final

    Bridges
    See the Milestone Details tab for additional Project information
    Initiation
    no comments
    Scoping
    no comments
    Property Impacts - Right of Way
    no comments
    Environmental Impacts
    no comments
    Project Design
    no comments
    Project Funding
    no comments
    Public Involvement
    no comments
    Accelerated Bridge Program
    no comments
    TIP Lines for
    TIP Line
    Planned Federal FY: 2028
    Responsible MPO: Boston Metropolitan Planning Organization
    Location: Municipality
    Cities: SOMERVILLE
    Category: Advertised Projects Constr.
    Budget Section: 1A
    Advance Construct: No
    Air Quality Exempt: No

    Comments
  • Adj. TFPC: $128,385,573 (STBG, TAP, NHPP); AC schedule anticipated over 4 years (2027-2030); MPO Evaluation Score = 72.2. Project initially funded in FFY 2027 of the FFYs 2023–27 TIP.
    		•
    Funding
    Category FA - Hwy Safety Improvement Prgm (HSIP)
    Federal Cost: $1,800,000.00
    State Cost: $200,000.00
    Total Cost: $2,000,000.00

    TIP Line
    Planned Federal FY: 2028
    Responsible MPO: Boston Metropolitan Planning Organization
    Location: Municipality
    Cities: SOMERVILLE
    Category: Advertised Projects Constr.
    Budget Section: 1A
    Advance Construct: No
    Air Quality Exempt: No

    Comments
  • Adj. TFPC: $128,385,573 (STBG, TAP, NHPP); AC schedule anticipated over 4 years (2027-2030); MPO Evaluation Score = 72.2. Project initially funded in FFY 2027 of the FFYs 2023–27 TIP.
    		•
    Funding
    Category FA - Ntl. Hwy Perform. Prgm (NHPP) - NHS
    Federal Cost: $24,860,458.40
    State Cost: $6,215,114.60
    Total Cost: $31,075,573.00

    TIP Line
    Planned Federal FY: 2028
    Responsible MPO: Boston Metropolitan Planning Organization
    Location: Municipality
    Cities: SOMERVILLE
    Category: Advertised Projects Constr.
    Budget Section: 1B
    Advance Construct: No
    Air Quality Exempt: No

    Comments
  • Adj. TFPC: $128,385,573 (STBG, TAP, NHPP); AC schedule anticipated over 4 years (2027-2030); MPO Evaluation Score = 72.2. Project initially funded in FFY 2027 of the FFYs 2023–27 TIP.
    		•
    Funding
    Category FA - Reconnecting Communities and Neighborhoods Program / RCN
    Federal Cost: $43,150,000.00
    State Cost: $10,787,500.00
    Total Cost: $53,937,500.00

    TIP Line
    Planned Federal FY: 2028
    Responsible MPO: Boston Metropolitan Planning Organization
    Location: Municipality
    Cities: SOMERVILLE
    Category: Advertised Projects Constr.
    Budget Section: 1A
    Advance Construct: No
    Air Quality Exempt: No

    Comments
  • Adj. TFPC: $128,385,573 (STBG, TAP, NHPP); AC schedule anticipated over 4 years (2027-2030); MPO Evaluation Score = 72.2. Project initially funded in FFY 2027 of the FFYs 2023–27 TIP.
    		•
    Funding
    Category FA - Surface Trans. Block Grant (STBG)
    Federal Cost: $28,000,000.00
    State Cost: $7,000,000.00
    Total Cost: $35,000,000.00

    TIP Line
    Planned Federal FY: 2028
    Responsible MPO: Boston Metropolitan Planning Organization
    Location: Municipality
    Cities: SOMERVILLE
    Category: Advertised Projects Constr.
    Budget Section: 1A
    Advance Construct: No
    Air Quality Exempt: No

    Comments
  • Adj. TFPC: $128,385,573 (STBG, TAP, NHPP); AC schedule anticipated over 4 years (2027-2030); MPO Evaluation Score = 72.2. Project initially funded in FFY 2027 of the FFYs 2023–27 TIP.
    		•
    Funding
    Category FA - Trans. Alternative Prgm (TAP)
    Federal Cost: $4,000,000.00
    State Cost: $1,000,000.00
    Total Cost: $5,000,000.00

    TIP Line
    Planned Federal FY: 2029
    Responsible MPO: Boston Metropolitan Planning Organization
    Location: Municipality
    Cities: SOMERVILLE
    Category: Advertised Projects Constr.
    Budget Section: 1A
    Advance Construct: No
    Air Quality Exempt: No

    Comments
  • Adj. TFPC: $128,385,573 (STBG, TAP, NHPP); AC schedule anticipated over 4 years (2027-2030); MPO Evaluation Score = 72.2. Project initially funded in FFY 2027 of the FFYs 2023–27 TIP.
    		•
    Funding
    Category FA - Hwy Safety Improvement Prgm (HSIP)
    Federal Cost: $1,612,741.50
    State Cost: $179,193.50
    Total Cost: $1,791,935.00

    TIP Line
    Planned Federal FY: 2029
    Responsible MPO: Boston Metropolitan Planning Organization
    Location: Municipality
    Cities: SOMERVILLE
    Category: Advertised Projects Constr.
    Budget Section: 1A
    Advance Construct: No
    Air Quality Exempt: No

    Comments
  • Adj. TFPC: $128,385,573 (STBG, TAP, NHPP); AC schedule anticipated over 4 years (2027-2030); MPO Evaluation Score = 72.2. Project initially funded in FFY 2027 of the FFYs 2023–27 TIP.
    		•
    Funding
    Category FA - Ntl. Hwy Perform. Prgm (NHPP) - NHS
    Federal Cost: $26,000,000.00
    State Cost: $6,500,000.00
    Total Cost: $32,500,000.00

    TIP Line
    Planned Federal FY: 2029
    Responsible MPO: Boston Metropolitan Planning Organization
    Location: Municipality
    Cities: SOMERVILLE
    Category: Advertised Projects Constr.
    Budget Section: 1A
    Advance Construct: No
    Air Quality Exempt: No

    Comments
  • Adj. TFPC: $128,385,573 (STBG, TAP, NHPP); AC schedule anticipated over 4 years (2027-2030); MPO Evaluation Score = 72.2. Project initially funded in FFY 2027 of the FFYs 2023–27 TIP.
    		•
    Funding
    Category FA - Surface Trans. Block Grant (STBG)
    Federal Cost: $10,000,000.00
    State Cost: $2,500,000.00
    Total Cost: $12,500,000.00

    TIP Line
    Planned Federal FY: 2029
    Responsible MPO: Boston Metropolitan Planning Organization
    Location: Municipality
    Cities: SOMERVILLE
    Category: Advertised Projects Constr.
    Budget Section: 1A
    Advance Construct: No
    Air Quality Exempt: No

    Comments
  • Adj. TFPC: $128,385,573 (STBG, TAP, NHPP); AC schedule anticipated over 4 years (2027-2030); MPO Evaluation Score = 72.2. Project initially funded in FFY 2027 of the FFYs 2023–27 TIP.
    		•
    Funding
    Category FA - Trans. Alternative Prgm (TAP)
    Federal Cost: $6,814,452.00
    State Cost: $1,703,613.00
    Total Cost: $8,518,065.00

    Project Task Information
    Project Status
    Project Need Form PNF Entered 04/28/2014
    Project Initiation Form PIF Entered 04/29/2014
    Project Initiation Form PRC Submitted 04/29/2014
    Project Review Committee PRC Approved 05/19/2014
    Project Review Committee Resubmitted 12/12/2024
    Project Management
    25% Design 25% Package Received 10/21/2024
    25% Design 25% Package Received 04/17/2026
    25% Design Design Public Hearing 12/09/2025
    Consultant Contract Process NTP Issued 05/19/2014