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massdot-formal_logoThe MassDOT Board of Directors today approved the awarding of a Design-Build contract to SPS New England, Inc. for approximately $90 million to replace the bridge that carries Interstate 495 over the Merrimack River.

The work will take place on I-495 in Haverhill, between Exits 48 and 49. The proposed northbound bridge will accommodate five travel lanes, (three through lanes, one future use lane, and an auxiliary lane). The southbound bridge will accommodate four travel lanes, (three through lanes and one future use lane). The project will also include complete removal of the existing structurally deficient bridge structures, roadway reconstruction, highway drainage/storm water management features, wetland mitigation, traffic management, pavement markings and signage, and all other related bridge and highway work.

To maintain traffic, construction and demolition will be conducted in multiple stages utilizing temporary cross overs to shift southbound traffic as required. It is anticipated that northbound, (existing and proposed), will require numerous off-peak lane closures to complete the work. At all other times, current traffic movements will be maintained through the project area during construction.

Design-Build Project delivery will be utilized where the contractor and designer work on the same team to optimize the design in order to meet the construction schedule, minimize traffic impacts, and minimize impacts to Merrimack River ecosystems. The Merrimack River is home to Shortnose Sturgeon and due to their migratory patterns and spawning habitat in the area of the project, work restrictions in the river will be in place.Work is scheduled to begin in November of 2018 and will be completed in the Spring of 2022.

“This highly traveled bridge provides an important regional connection between destinations for the public and we are looking forward to replacing this bridge so it can be used by future generations,” said Highway Administrator Jonathan Gulliver. “The innovative construction techniques will help to mitigate traffic and wetland impacts.”

The Baker-Polito Administration appreciates the cooperation and patience of the traveling public as improvements are made in the state to core infrastructure.  The Administration has invested over $3.3 billion in highway transportation projects since January 2015, and this fiscal year, will invest over $1.5 billion in upgrading our roads, bridges, intersections, and multi-modal pathways.

Members of the public are encouraged to utilize the appropriate technology tools including, our GoTime travel app, and other wayfinding resources to find the most appropriate route, mode, and timing of travel during our construction operations.

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