The Green Line Extension team is holding a meeting, on March 5, about construction of the Harvard Street Bridge in Medford, according to an email from the team.

The March 5 meeting, held at the Saint Clement Church cafeteria in Somerville, is for abutters of construction.

However, the email says there will be a broader meeting about Phase 1 of the Green Line Extension sometime in coming weeks.

Phase 1 consists of reconstructing two bridges and tearing down a building. It represents about 1.5 percent of the entire cost of the Green Line Extension.

The other bridge that will be reconstructed during Phase 1 is the Medford Street Bridge in Somerville. Phase 1 would also tear down a building at 21 Water St. in Cambridge to make way for the new Lechmere Station. 

Phase 2/2A of the Green Line Extension, which would bring trains to a new Union Square station and to Washington Street in Somerville, is slated to be complete at the end of 2017.