Construction Updates
OCTA in cooperation with Caltrans is widening the San Diego Freeway (I-405) between SR-73 and I-605. The project will improve 16 miles of I-405 between the SR-73 freeway in Costa Mesa and I-605 near the L.A. County line.
View Closures & Detours
Bridge Milestones
The bridges highlighted below have recently reached a significant project milestone.
All Bridge Information
For information about a specific bridge:
Latest Activity
-
Closures and Detours
Construction Update: Almond Avenue Pile Installationopens in a new tab
Friday, January 14, 2022
-
Milestones and Openings
Open to Traffic: Southbound Westminster Blvd. Loop Off-Rampopens in a new tab
Thursday, January 13, 2022
-
Weekly Construction Alert
I-405 Improvement Project Construction Alertopens in a new tab
Wednesday, January 12, 2022
-
Closures and Detours
Construction Update: NB Beach Boulevard Lane Reductionopens in a new tab
Friday, January 7, 2022
-
Closures and Detours
Construction Update: Consecutive Ramp Closures opens in a new tab
Thursday, January 6, 2022
-
Closures and Detours
Construction Update: NB Brookhurst On- and Off-Ramps Extended Closuresopens in a new tab
Thursday, December 30, 2021
-
Closures and Detours
Construction Update: Heil Avenue Pedestrian Bridge Opening Postponedopens in a new tab
Thursday, December 30, 2021
-
Closures and Detours
Construction Update: Pile Installation Activities for a Retaining Wallopens in a new tab
Monday, December 20, 2021
-
Newland Street Construction Update
Recorded Virtual Neighborhood Meetingopens in a new tab
Thursday, December 2, 2021
-
Milestones and Openings
Open to Traffic: Edinger Avenue Bridgeopens in a new tab
Wednesday, December 1, 2021
English: If you have questions, please
contact the Outreach
Team by calling
888-400-8994
Español: Para obtener
más
información sobre
el Proyecto de Ampliación en el I-405, llame al 888-400-8994
Tiếng Việt: Để
biết
thêm thông tin về Dự Án Cải Thiện Xa Lộ
I-405, vui lòng liên hệ với Gia Ly theo số 888-662-6569