Project

Red crane at the Gloucester Bridge project site

Gloucester Drawbridge

Transportation Infrastructure
At a Glance Client
J.F. White Contracting Company/MBTA

Markets

Epsilon is providing environmental support to the Massachusetts Bay Transportation Authority (MBTA) for the replacement of the commuter rail drawbridge over the tidal Annisquam River in Gloucester.

Overview

Built in 1911, the Gloucester Drawbridge over the Annisquam River is now structurally deficient. The MBTA is replacing it with two side-by-side, single-track moveable bridges, an updated east approach trestle, and a new control tower.

Contribution

Epsilon is working as a sub-consultant to J.F. White Contracting Company – the prime contractor for the bridge replacement project.

Epsilon has been providing the water quality monitoring required as a condition of the project’s environmental permits, specifically the Section 401 Water Quality Certification (WQC) issued by the Massachusetts Department of Environmental Protection (MassDEP). Working on the water in all weather conditions, Epsilon’s hearty ecological scientists are using a combination of monitoring equipment and laboratory testing to provide the data. This includes monthly reports on the project’s impact on total suspended solids, turbidity, and dissolved oxygen. Of particular concern is the project’s potential to disrupt winter flounder spawning.

Achievement

Once complete, the new bridge will provide a safer and more reliable service along the MBTA’s Newburyport/Rockport line. It will also eliminate speed restrictions, making the train ride into the City of Boston shorter. In addition to improvements for the railway, the bridge will improve the right of way access for boats traveling under the bridge.

Epsilon is proud to play such an important role in protecting the Commonwealth’s natural resources while at the same time supporting investment in public infrastructure.

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