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Caltrain: San Mateo Bridges Replacement Project
Caltrain Map.PNGFour rail bridges in the northern part of San Mateo at Tilton Avenue, Monte Diablo Avenue, Santa Inez Avenue, and Poplar Avenue were built in 1903 and do not meet current Federal and State seismic safety standards. Caltrain is launching a bridge replacement project to bring these bridges up to current standards, and will span a half-mile along the Caltrain right-of-way from Tilton Avenue to Poplar Avenue.

Phase I of this project was completed as of April 2014.
Phase I of Caltrain's San Mateo Bridges Replacement Project removed trees from Caltrain's right-of-way.  It also involved a detailed survey of the railroad corridor to determine if private fences needed to be realigned along existing property lines.

Caltrain met with the Public Works Commission on July 10, 2013, to give a presentation on the status of the project and respond to public comment.  For more information, please read the agenda minutes and staff report for the meeting.  Caltrain held a follow-up meeting in November 2013 responding to concerns previously brought up at the Public Works Commission.

Phase II of this project begins October 2014 and is anticipated to be completed by May 2016.
During this phase, Caltrain will raise the height of each bridge by as much as four feet in some sections.  Construction is anticipated to begin in Fall 2014.  See Caltrain's project website for street closures and other construction impacts or updates.

General Information

Caltrain maintains a project website that provides a detailed overview, previous and upcoming public outreach efforts, construction updates, and other relevant information.


Caltrain Contact: Tasha Bartholomew, (650) 508-7927
Construction Outreach Hotline: (650) 508-7726


San Mateo City Hall – 330 West 20th Avenue, San Mateo, CA 94403

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