Stage 1 progress by the SPS-Walsh Joint Venture team continues with Mainline bridge pier construction, abutment foundation pile driving, drilled micropile installation and MSE wall construction all in preparation for upcoming structural steel erection. The project’s second access trestle is beginning to be built across the Charles River. Work at the MBTA bridge has been ongoing to extend the bridge piers for upcoming superstructure replacement. Ramp A/B Bridge raised median demolition has commenced for upcoming traffic phase flip.
