Cape Cod MPO staff outline twin‑arch preference for Canal Bridges, $350M state bond and $4B program estimate

At a meeting of the Cape Cod Metropolitan Planning Organization, Cape Cod Commission staff provided an update on the Canal Bridges program that will replace and reconfigure the Bourne and Sagamore crossings and make related systemwide improvements.

Stephen Tupper of the Cape Cod Commission summarized outcomes from the fourth round of public meetings, saying the study team has identified a draft preferred bridge type “which was identified as the twin arch style.” The conceptual cross‑section shown to the MPO calls for two adjacent bridge structures at each crossing, two travel lanes in each direction, entrance/exit lanes to manage merging, shoulders (conceptually 10‑foot right shoulders and 4‑foot left shoulders) and a shared‑use pedestrian and bicycle path cantilevered from one of the structures.

Tupper told the MPO there is a state commitment in a transportation bond “in the amount of $350,000,000 to advance this project,” that MassDOT has expended roughly $25,000,000 on design and analyses so far, and that the current construction and design estimate for the entire program is approximately $4,000,000,000. He also said the Federal Highway Administration “has now been identified as the lead federal agency,” a step staff described as important for the permitting sequence. Under the program’s current, optimistic schedule, a design‑build request would be available in September 2025.

Staff emphasized the program extends beyond replacement of the two bridges to systemwide improvements around the canal, including ramp and interchange opportunities and property/right‑of‑way impacts. Tupper noted that locating the new structures inboard of the current bridges was the draft recommendation presented and that specific ramp and connector designs remain to be developed.

Members and members of the public pressed staff about public involvement and compliance. John York asked a series of procedural and compliance questions about Project 608020, including “what is the process for a road user ... to register what they perceive as noncompliance with something that MassDOT should be complying with,” and raised a separate maintenance complaint about snow‑clearing on federally funded sidewalks. Staff said written and verbal comments will be passed to the Canal study team for a formal response and agreed to follow up on specific project‑number / documentation questions. Pam Hasner (MassDOT) said the Canal public participation plan is under review by FHWA and will be posted once approved.

Tupper and others reminded the public that the next round of Canal Bridges public meetings was scheduled for late March (two virtual meetings noted on the study calendar) and that meeting materials and prior presentations are available at the study website. Staff also flagged several federal funding applications made by the program, noted mixed results to date (some competitive programs not successful in year one), and said the program received a planning grant of roughly $1,600,000 to the U.S. Army Corps of Engineers to support pipeline development of shovel‑ready projects.

What’s next: staff said public comments collected at the MPO meeting will be forwarded to the Canal study team and that the next public outreach round will discuss interchange concepts in more detail. No formal MPO vote was taken on project alignment or funding at this meeting.