La Pata Avenue Gap Closure, CA
Ninyo & Moore, a SOCOTEC Company, provided geotechnical consulting services during construction of the La Pata Avenue Gap Closure and Camino Del Rio Extension Project in Orange County, California — one of the most complex roadway construction programs in Southern California.
Key Information
Project Name: La Pata Avenue Gap Closure and Camino Del Rio Extension Project
Client: County of Orange Public Works c/o Hill International
Location: Orange County, California
Completion Date: 2017
Services Provided: Geotechnical Engineering
Award: Project of the Year (ASCE Orange County Chapter); No. 2 – Roads & Bridges Top 10 Roads; Design Quality Partner Award (CMAA Southern California Chapter)
Talk to our experts
The Challenge
Closing a Critical Gap Across Unstable Terrain
The project involved three major roadway components across challenging geotechnical conditions:
Widening 1.8 miles of La Pata Avenue in San Juan Capistrano
Constructing 2 miles of new roadway connecting La Pata Avenue to Avenida La Pata in San Clemente
Connecting Avenida La Pata to Camino Del Rio via 0.4 miles of new roadway
Constructing 2 new bridges and two long-span structural plate steel undercrossings
The terrain presented significant geotechnical challenges, including the presence of active and dormant landslides and deep-fill conditions requiring careful monitoring and remediation throughout construction.
Comprehensive Geotechnical Engineering and Slope Monitoring
Ninyo & Moore, a SOCOTEC Company, delivered full geotechnical consulting services throughout construction, including:
The Results
An Award-Winning Infrastructure Achievement
Through comprehensive geotechnical engineering and advanced slope monitoring, Ninyo & Moore, a SOCOTEC Company, supported the successful delivery of a critical regional roadway connection in Orange County.
Key Outcomes:
Successful completion of 1.8 miles of roadway widening and 2 miles of new roadway
Safe removal of landslides and construction of stable buttresses across challenging terrain
Real-time slope stability monitoring protecting critical SDG&E and SCE transmission lines
Construction of 2 new bridges and structural undercrossings
Recognition as ASCE Orange County Project of the Year
Ranked #2 in Roads & Bridges magazine's Top 10 Roads list
Awarded the Design Quality Partner Award by the CMAA Southern California Chapter
Working on a roadway or public infrastructure project?
.
