Big Dig pavement crumbles early; repairs to cost $1 million
Sections of Central Artery pavement that were supposed to last 30 years are failing in less than a decade, causing a rash of potholes and debris at the mouth of the O’Neill Tunnel and at other key points and forcing $1 million in unexpected repairs, the state’s top highway official said Wednesday. The problem stems from a decision by the Bechtel/Parsons Brinckerhoff team that oversaw Big Dig design and construction to pave the project with concrete, more common in warmer climates, instead of traditional New England asphalt.
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