Department of Public Works

  • La Loma Bridge Project


    The La Loma Bridge, originally constructed in 1914, will soon undergo a seismic retrofit and rehabilitation.  The bridge will be closed for 18 months, with construction beginning in summer 2015 and the anticipated completion in winter 2016.  The scope of the project involves replacement of bridge deck; rehabilitation of the arches and spandrel columns; and strengthening the end piers.  The estimated cost of the project is approximately $16 million.  Project funding consists of $13.3 million in federal funds and $2.7 million City funds. The La Loma Bridge Project is a collaborative effort between the City of Pasadena and the California Department of Transportation (Caltrans).

    During construction traffic will be detoured to other bridges across the Arroyo Seco.  Residents will be able to cross using the Colorado Boulevard Bridge to access areas north of La Loma Bridge, and will be able to use the San Rafael Bridge to access areas south of La Loma Bridge.  The Department of Public Works is creating a traffic management plan to assist the flow of traffic.   


    Project Fact Sheet


    La Loma Bridge Fact Sheet July 2015 


    Project Timeline

    Utility relocations by Pasadena Water & Power et al. to continue through June 2015.  Intermittent bridge closures may be required for this work.
    • Construction Mobilization Date: June 2015
    • Bridge Closure Date: July 2015
    • Anticipated Bridge Opening Date: December 2016

    Traffic Management Plan & Detours



    Primary Detour Map

     Primary Detour Map Small 0304 



    Local Access Map

       Local Access Map small 0304 







    Arroyo Seco Trail Access


     Please note changes in Lower Arroyo Seco trail access beginning July 2015 through December 2016.


    • Trail access closure at La Loma Bridge
    • Trail closure: West side, North and South of La Loma Bridge
    • Limited trail access: East trail will be open during construction with a wood covered passageway through the construction  zone. Periodic closures will occur and a detour route is shown on the map below.  Equestrian access is available; ride with caution.


    La Loma Bridge Renovation Trail Access & Detour Map 



    Construction Hours


    • Expected construction hours:  Monday through Friday from 7:00 a.m. to 4:00 p.m.



    For more information, please contact Yesenia Alvarado, Public Information Coordinator at (626) 744-7033 or via e-mail at yalvarado@cityofpasadena.net.




    Last updated: July 2015

















Water Usage Gauge