Project Webpage  Construction Notices

Calgrove Bl Bridge Construction

Summary

As part of the I-5 North County Enhancements Project, Metro’s contractor OHLA-USA, will be extending the Calgrove Bl Bridge to accommodate the new high-occupancy vehicle (HOV) lanes. This bridge crosses over the Calgrove Bl, located between The OId Road and Wiley Canyon Rd. 

Construction will take place along the eastbound and westbound Calgrove Bl lanes. Activities will include falsework installation and removal, forming, rebar installation, and concrete placement for the bridge substructure and superstructure. Local pedestrian access will be maintained.

This bridge extension is anticipated to be completed by early Summer 2024. 

What to Expect & Traffic Control

Prepare for southbound Calgrove Bl on- and off-ramps from 9am to 3pm and 9pm to 6am through early Summer 2024.
9am - 3pm Detour Routes:
  • Closures of southbound Calgrove Bl off-ramp
    • Detour: Traveling southbound on I-5, exit the Lyons Av/Pico Canyon Rd off-ramp, right on Pico Canyon Rd, left on The Old Rd, continue to Calgrove Bl.
  • Closures of southbound Calgrove Bl on-ramp
    • Detour 1: Traveling eastbound on Calgrove Bl, turn left onto northbound I-5 Calgrove Bl on-ramp, exit Lyons Av; left on Lyons Ave, and left onto southbound Lyons Av/Pico Canyon Rd on-ramp.
    • Detour 2: Traveling westbound on Calgrove Bl, turn right on The Old Road; right on Chiquella Ln; and right onto southbound Lyons Ave/Pico Canyon Rd on-ramp.
9pm - 6am Detour Routes:
  • Detour 1: Traveling on The Old Road, turn right on Chiquella Ln or Lyons Av/Pico Canyon Rd, right on Wiley Canyon Rd, continue to Calgrove Bl 
  • Detour 2: Traveling westbound on Calgrove Bl, turn right on Wiley Canyon Rd, left on Lyons Av/Pico Canyon Rd, left on Chiquella Ln or The Old Road, continue to Calgrove Bl

Essential Details 

  • Work hours: Monday through Friday and Saturdays as needed, between 6am to 4pm, behind k-rail and at the shoulders, and 7pm to 6am. 
  • Intermittent traffic control during off‐peak hours for construction access from The Old Rd to Wiley Canyon Rd. 
  • The speed limit within the construction zone on The Old Rd, Calgrove Bl, and Wiley Canyon Rd is 45-miles per hour. 

Noteworthy 

Access to emergency responders will be maintained. Construction is a dynamic process, it is subject to weather conditions, and information is subject to change, visit the project website for the most up to date information and a weekly listing of ramp closures scheduled. 
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