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The Massachusetts Department of Transportation is soliciting bids for the rehabilitation of Bridge B-16-107 on Canterbury Street over the Amtrak Railroad in Boston. This project, with an estimated value of $7,082,000.00, involves the design and construction of pipelines, bridge superstructure work, and the installation of temporary pedestrian and utility bridges. The scope includes specialized tasks such as cathodic protection, ground stabilization, and the handling of contaminated materials. All work performed on or near MBTA Railroad Property is subject to inspection and approval by the MBTA and the respective railroad companies. Bids are due by 2:00 P.M. on September 22, 2026, and must be submitted electronically via bidx.com; no paper copies will be accepted. To be eligible, bidders must possess a valid MassDOT vendor code and be pre-qualified in the Bridge Construction category. The contract requires a 5% bid bond, as well as performance and payment bonds. Successful bidders must submit all required execution and insurance forms to the Office of Construction Contracts within 14 calendar days of the award. The project adheres to strict safety and labor standards, including OSHA Part 1926 and Massachusetts prevailing wage rates. There are specific labor participation goals of 15.3% for minorities and 6.9% for women. Additionally, the contractor must comply with ADA accessibility guidelines for temporary pedestrian barricades and follow rigorous protocols for the disposal of hazardous waste at permitted out-of-state facilities. Final acceptance of seeding work is contingent upon achieving a minimum of 75% coverage by specified permanent species after one growing season.