Who funded the Big Dig?

But few had a bigger stake in the project than four high-stakes players: •Bechtel/Parsons Brinckerhoff (B/PB) the joint venture hired by the Commonwealth in 1985 to manage Big Dig design and construction; •Federal Highway Administration (FHWA—in the U.S. Department of Transportation), the federal funding agency for the ...



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Salvucci vowed not to follow the Robert Moses tradition of leveling neighborhoods in the name of progress. The Big Dig, a project funded by federal and stated monies (about 60/40), was substantially completed late in 2007 for nearly $15 billion.

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However, the project was completed in December 2007 at a cost of over $8.08 billion (in 1982 dollars, $21.5 billion adjusted for inflation, meaning a cost overrun of about 190%) as of 2020.

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For the Big Dig the failure to uphold project standards resulted in leaks, a collapsed concrete panel that caused a death, falling light fixtures due to cracked and ruined nuts, and treacherous guardrails – among other problems.

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The Ted Williams Tunnel The . 75-mile underwater part of the 1.6 mile tunnel used a dozen steel tube sections, each longer than a football field. These were placed into a trench on the Boston Harbor floor and were then connected.

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The Boston's Big Dig project replaced the elevated deteriorating six-lane elevated Central Artery (I-93) with an underground expressway beneath the existing road, extended the I-90 tollway underground to the South Boston Seaport and Logan International Airport, built a new 10-lane bridge over the Charles River, and ...

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Planning began in 1982; the construction work was carried out between 1991 and 2006; and the project concluded on December 31, 2007, when the partnership between the program manager and the Massachusetts Turnpike Authority ended.

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With interest, the project could ultimately cost around $24 billion, finally getting paid off in 2038. Besides creating a financial nightmare, the Big Dig was plagued by huge constructional flaws – which obviously added fuel to the fiscal firestorm.

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