OC 405 Partners

I-405 Improvement Project for the Orange County Transportation Authority.

Project Overview

OC 405 Safely Completes a 100-Day Ramp Closure and Reconstruction

OC 405 Partners Joint Venture safely and successfully reopened the northbound I-405 and SR-73 off-ramps to Fairview Rd. after major permanent paving efforts in July 2021. Thank you to all crews, sub-contractors, staff, and management who contribute to the success and safety of this project each day. Video credit: Durkee Productions

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OC 405 Partners In The Community

Slater Reopening

OC 405 Partners successfully delivered the new Slater Avenue overcrossing bridge in August 2019 in the City of Fountain Valley. Over eighteen bridges are being replaced and widened along the project corridor. 

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SAUSD Field Trip

OC 405 Partners hosted a field trip for Century High School Building and Trades students in December 2019. Students toured the project and met with project executives from different disciplines. OC 405 Partners looks forward to future partnering with Century High School.

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Newport Bay Conservancy

The Newport Bay Conservancy’s mission is to protect and preserve the Upper Newport Bay through education, restoration, research and advocacy. In 2019, OC 405 Partners donated proceeds from office recycling efforts to help Newport Bay Conservancy advance this mission. Thank you Heather Cieslak with the Newport Bay Conservancy for visiting the project!

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Bolsa Chica State Beach Cleanup

In July 2019, OC 405 Partners participated in a beach cleanup at Bolsa Chica State Beach. OC 405 Partners is participating in additional beach and wetland cleanups coming up in 2020.

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