[1] From 1979 to 1983, as part of "major rehabilitation work," both of the bridges' four-foot high railings were replaced with suicide deterrent fencing.

The project finally commenced because of the severe gridlock at the rotary, which was built to accommodate a much smaller amount of traffic.

The recommendation said that replacement was more cost-effective than upgrading the existing bridge in order to reduce long summertime backups.

[2] In 2019, a federal study concluded that the Sagamore and Bourne bridges, originally expected to last only 50 years, needed replacement.

[3][4][5] The Cape Cod Bridges program is currently taking public input into the multi phased project and have unveiled different design types for feedback.

The sidewalk is slightly raised, but there is no fence or barrier between it and car traffic, so cyclists are recommended to walk their bicycle.