Dalton Street over I-90

Boston, MA
City of Boston
Bridge ConstructionStructures Maintenance

Project Overview

Project Overview:

The scope of work includes full concrete bridge deck replacement of the Dalton St Bridge over I-90, MBTA, and Cambria Street in Boston MA in (2) two phases over a project duration of 18 months. Work includes:

  • Demolition of concrete bridge deck
  • Cleaning and painting of all structural steel girders
  • Replacement of all bridge bearings
  • Structural steel repairs
  • Forming and placement of new concrete bridge deck and sidewalks
  • Installation of new bridge railing and protective fence
  • Installation of new traffic signals
  • Replacement of approach concrete sidewalks and wheelchair ramps
  • Milling and paving of bridge approaches

Key Challenges Overcome:

Bridge deck replacement project located in a dense urban downtown location has many logistical challenges including limited work areas and heavy pedestrian and vehicular traffic. Existing utilities located in 8 of the 10 each girder bays are an additional challenge to safety work around.