Rail Bridge Replacements: All Updates
![A rendering of the proposed changes to the Commercial Street bridge on the Newburyport/Rockport Line of the Commuter Rail](https://sandbox-mbta.pantheonsite.io/sites/default/files/styles/teaser/public/media/2020-02/Commercial_Proposed.jpg?itok=8YVpVowT)
Commercial Street Bridge Project Finishing Work in Progress
April 28, 2023
![A rendering of the proposed changes to the Commercial Street bridge on the Newburyport/Rockport Line of the Commuter Rail](https://sandbox-mbta.pantheonsite.io/sites/default/files/styles/teaser/public/media/2020-02/Commercial_Proposed.jpg?itok=8YVpVowT)
Commercial Street Bridge Replacement and Work to Continue September 16-24
September 13, 2022
![A rendering of the proposed changes to the Lynn Fells Parkway bridge on the Haverhill Line of the Commuter Rail](https://sandbox-mbta.pantheonsite.io/sites/default/files/styles/teaser/public/media/2020-02/LynnFellsParkway_Proposed.jpg?itok=3MeX4LSy)
Work on Lynn Fells Parkway Bridge Resumes June 7
June 15, 2022
![A rendering of the proposed changes to the Commercial Street bridge on the Newburyport/Rockport Line of the Commuter Rail](https://sandbox-mbta.pantheonsite.io/sites/default/files/styles/teaser/public/media/2020-02/Commercial_Proposed.jpg?itok=8YVpVowT)
Commercial Street Bridge Detoured During Bridge Work May 14 – 16
May 6, 2022
![A rendering of the proposed changes to the Parker Street bridge on the Haverhill Line of the Commuter Rail](https://sandbox-mbta.pantheonsite.io/sites/default/files/styles/teaser/public/media/2020-02/ParkerStreet_Proposed.jpg?itok=df67svG6)
Parker Street Bridge Construction Resumes April 25
April 28, 2022
![A rendering of the proposed changes to the Commercial Street bridge on the Newburyport/Rockport Line of the Commuter Rail](https://sandbox-mbta.pantheonsite.io/sites/default/files/styles/teaser/public/media/2020-02/Commercial_Proposed.jpg?itok=8YVpVowT)
Commercial Street Detoured During Bridge Work April 9–10
April 7, 2022
![A rendering of the proposed changes to the Commercial Street bridge on the Newburyport/Rockport Line of the Commuter Rail](https://sandbox-mbta.pantheonsite.io/sites/default/files/styles/teaser/public/media/2020-02/Commercial_Proposed.jpg?itok=8YVpVowT)
Commercial Street Bridge Work Begins Monday, March 28
March 31, 2022
![A computer rendering shows what the Bacon Street Bridge in Wellesley will look like after full replacement.](https://sandbox-mbta.pantheonsite.io/sites/default/files/styles/teaser/public/media/2019-10/Bacon%20St%20Bridge%20after.jpg?itok=xtpPzC_0)
Daytime Construction for the Bacon Street Bridge Resumes March 21
March 14, 2022
![The existing Commercial Street bridge on the Newburyport/Rockport Line of the Commuter Rail](https://sandbox-mbta.pantheonsite.io/sites/default/files/styles/teaser/public/media/2020-02/Commercial_Existing.jpg?itok=dMhmTs_G)
Commercial Street Bridge Work Begins November 6
November 1, 2021
![A rendering of the proposed changes to the Lynn Fells Parkway bridge on the Haverhill Line of the Commuter Rail](https://sandbox-mbta.pantheonsite.io/sites/default/files/styles/teaser/public/media/2020-02/LynnFellsParkway_Proposed.jpg?itok=3MeX4LSy)
Lynn Fells Parkway Bridge Move: October 22 – 25
October 7, 2021
![A rendering of the proposed changes to the Parker Street bridge on the Haverhill Line of the Commuter Rail](https://sandbox-mbta.pantheonsite.io/sites/default/files/styles/teaser/public/media/2020-02/ParkerStreet_Proposed.jpg?itok=df67svG6)
Parker Street Bridge Move: September 16 – 21
September 15, 2021
![A rendering of the proposed changes to the Lynn Fells Parkway bridge on the Haverhill Line of the Commuter Rail](https://sandbox-mbta.pantheonsite.io/sites/default/files/styles/teaser/public/media/2020-02/LynnFellsParkway_Proposed.jpg?itok=3MeX4LSy)
Steel Assembly Work for the Lynn Fells Parkway Bridge August 27 – 30
August 12, 2021
![A rendering of the proposed changes to the Lynn Fells Parkway bridge on the Haverhill Line of the Commuter Rail](https://sandbox-mbta.pantheonsite.io/sites/default/files/styles/teaser/public/media/2020-02/LynnFellsParkway_Proposed.jpg?itok=3MeX4LSy)
Work on Lynn Fells Parkway Bridge Continues August 13 – 16
August 5, 2021
![A computer rendering shows what the Bacon Street Bridge in Wellesley will look like after full replacement.](https://sandbox-mbta.pantheonsite.io/sites/default/files/styles/teaser/public/media/2019-10/Bacon%20St%20Bridge%20after.jpg?itok=xtpPzC_0)
Detour for Bacon Street Bridge Construction August 2 – September 9
August 3, 2021
![Bacon Street bridge in Wellesley is being completely replaced.](https://sandbox-mbta.pantheonsite.io/sites/default/files/styles/teaser/public/media/2019-10/Bacon%20St%20Bridge%20before_0.jpg?itok=7_zS0qJg)
Bacon Street Bridge Move Begins July 23
June 21, 2021
![A rendering shows how a new bridge over Intervale Road in Weston will look upon completion](https://sandbox-mbta.pantheonsite.io/sites/default/files/styles/teaser/public/media/2019-10/Intervale%20Road%20Bridge%20after.jpg?itok=3baVmJjt)
Intervale Road Bridge Move Begins July 23
June 21, 2021
![A rendering of the proposed changes to the Parker Street bridge on the Haverhill Line of the Commuter Rail](https://sandbox-mbta.pantheonsite.io/sites/default/files/styles/teaser/public/media/2020-02/ParkerStreet_Proposed.jpg?itok=df67svG6)
Detour for Parker Street Bridge Construction June 10 - 14
May 27, 2021
![The exisiting Parker Street Bridge on the Haverhill Line of the Commuter Rail](https://sandbox-mbta.pantheonsite.io/sites/default/files/styles/teaser/public/media/2020-02/ParkerStreet_Existing.jpg?itok=OOog53Ni)
Overnight Demolition of the Parker Street Bridge Begins May 9
May 3, 2021
![A computer rendering shows what the Bacon Street Bridge in Wellesley will look like after full replacement.](https://sandbox-mbta.pantheonsite.io/sites/default/files/styles/teaser/public/media/2019-10/Bacon%20St%20Bridge%20after.jpg?itok=xtpPzC_0)
Steel Assembly Work for the Bacon Street Bridge Begins May 3
April 30, 2021
![A computer rendering shows what the Bacon Street Bridge in Wellesley will look like after full replacement.](https://sandbox-mbta.pantheonsite.io/sites/default/files/styles/teaser/public/media/2019-10/Bacon%20St%20Bridge%20after.jpg?itok=xtpPzC_0)
Major Construction on Bacon Street Bridge Begins April 30
April 21, 2021
![Bacon Street bridge in Wellesley is being completely replaced.](https://sandbox-mbta.pantheonsite.io/sites/default/files/styles/teaser/public/media/2019-10/Bacon%20St%20Bridge%20before_0.jpg?itok=7_zS0qJg)
Bacon Street Bridge Overnight Demolition Begins April 11
April 5, 2021
![The exisiting Parker Street Bridge on the Haverhill Line of the Commuter Rail](https://sandbox-mbta.pantheonsite.io/sites/default/files/styles/teaser/public/media/2020-02/ParkerStreet_Existing.jpg?itok=OOog53Ni)
Parker Street Bridge Overnight Demolition Begins April 11
April 2, 2021
![Bacon Street bridge in Wellesley is being completely replaced.](https://sandbox-mbta.pantheonsite.io/sites/default/files/styles/teaser/public/media/2019-10/Bacon%20St%20Bridge%20before_0.jpg?itok=7_zS0qJg)
Bacon Street Bridge Replacement Work Begins March 26
March 23, 2021
![The existing bridge over Intervale Road is being replaced.](https://sandbox-mbta.pantheonsite.io/sites/default/files/styles/teaser/public/media/2019-10/Intervale%20Road%20Bridge%20before_0.jpg?itok=oS1EgnXL)
Major Construction on Intervale Road Bridge Begins March 26
March 15, 2021
![The existing Lynn Fells Parkway bridge on the Haverhill Line of the Commuter Rail](https://sandbox-mbta.pantheonsite.io/sites/default/files/styles/teaser/public/media/2020-02/LynnFellsParkway_Existing.jpg?itok=OfIKsVyR)
Work on Lynn Fells Parkway Bridge Begins March 15
March 11, 2021