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tobin-bridge-work-map-march-2018MassDOT has announced that traffic impacts, including lane closures, associated with the Tobin Bridge Repair Project will begin on April 22, and continue during several construction seasons through 2020, meaning members of the public should make informed decisions on route, timing, and mode of travel during this time.

“We encourage people throughout the greater-Boston area to recognize the upcoming traffic impacts on the Tobin Bridge and make smart choices if they will be traveling along the Route 1 corridor or throughout the region,” said Highway Administrator Jonathan Gulliver. “Before heading out onto the roadways, people should consider public transportation options and check tools such as mass511.com, our GoTime travel app, and other navigational apps to reach their destination in a timely and efficient manner.”

To allow crews and contractors to safely and effectively conduct operations, one lane on the lower deck, (Route 1 northbound), will be closed at all times beginning on Sunday, April 22, and lasting through November 2018. Off-peak lane closures will also be implemented on the upper deck, (Route 1 southbound), as operations require beginning on April 22. Preparation activities including sign installation and work-zone setup will also begin in the coming weeks as operations allow, and these activities may be accompanied by temporary impacts.

The Everett Avenue on-ramp will be also closed at all times for all vehicles beginning in May, and this closure will last approximately one month. Following the re-opening of the Everett Avenue on-ramp, the Beacon Street off-ramp will then be closed for approximately two months. The Fourth Street off-ramp will also be closed for a one-month period, and this closure is currently expected to occur in November 2018. No more than one ramp will be closed at any given time throughout the duration of the project.

This $41.6 million maintenance project involves repairing a section of the deck of the Tobin Bridge which carries traffic between the Charlestown neighborhood of Boston and Chelsea. Work is scheduled to be completed at the end of 2020 with lane closures and traffic impacts occurring during each of the 2018, 2019, and 2020 construction seasons.

Work will include steel repairs to the upper and lower decks, concrete deck work on the lower deck, followed by waterproofing, resurfacing, and installing pavement markings. Operations will also consist of utility installation, installing curbing, paving, constructing a new parking lot under the bridge between Williams Street and Third Street.

The Tobin Memorial Bridge was erected in 1948-1949 and opened to traffic in 1950. It carries Route 1 with three travel lanes northbound on its lower level and three lanes southbound on the upper level. The 36-foot-wide roadway is bounded on both sides by safety walks (2’7″ wide) with steel-pipe railings on each side.

The main structure over the Mystic River is a three-span, cantilevered truss 1,525′ in length. Its center span is 800′ and the maximum truss height is 115′. It provides a navigable waterway opening 700′ wide by 135′ high. A smaller, simply supported warren truss spans the Little Mystic. It reaches a maximum truss height of 65′ and is 439′ long. Its navigable waterway opening measures 340′ wide by 100′ high.

MassDOT appreciates the patience of the traveling public as this necessary work is done on the Tobin Bridge and as the Commonwealth undertakes other core infrastructure improvements this year. The Baker-Polito Administration has invested over $3.3 billion since January 2015 in construction projects on our roads, bridges and pathways.

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