The $49.7 million project is building a new bridge located approximately 60 feet downstream from the existing bridge. The existing bridge carrying Routes 97/113 over the river remains open during construction. The replacement bridge will have a movable span similar to the existing bridge. In addition to the new bridge, the project will move and reconstruct the approach roadways in Haverhill and Groveland, including traffic signal and other improvements in both communities.
In recent days and weeks, the contractor working from two barges installed cofferdams to allow for work in building the new bridge drilled shaft foundations and concrete piers. A cofferdam is an enclosure within the water area constructed to allow water to be pumped out to create a dry work environment. In addition to the bridge foundation work, which will become visible in the coming months, overhead and underground utility relocation work also continues.
The major MassDOT bridge project is scheduled for completion in early 2014.