Be it enacted by the Senate and House of Representatives in General Court assembled, and by the authority of the same, as follows:

The bridge on Boylston street spanning the Boston and Maine railroad tracks in the city of Lowell shall be designated and known as the Frank W. Grady Bridge, in honor of Frank W. Grady and his many years of service to the city of Lowell as city engineer. The department of highways shall erect and maintain suitable markers bearing said designation in compliance with the standards of said department.