Company:
HDR/OCTA and Caltrans
Status:
Awarded
Awarded:
Transportation Project of the Year
Additional Files



Additional Information

SR 57 Widening North Segment

Project Location:

SR 57 North Segment is located between Yorba Linda Boulevard and Lambert Road in the Cities of Fullerton and Brea, Orange County, California.

Project Description:

The SR 57 North Segment was one of three widening projects located on the state highway system in North Orange County.

The project consisted of widening the 2.8-mile roadway, constructing 22 retaining walls and six soundwalls, and widening five bridges along SR-57. Yorba Linda to Lambert is the northern segment of the SR-57 project, with a southern terminus of Katella Avenue in the City of Anaheim.

HDR assisted Caltrans in completing construction of the new lanes which included bridge work, pile foundation construction, substructure and superstructure construction, sound walls, retaining walls, mechanically stabilized earth (MSE) walls and tieback retaining walls.

Project Justification:

The project reduced traffic congestion and delays, increased safety and facilitated the flow of goods and
services in Orange County.

All work was coordinated with the adjacent SR-57 middle segment widening project which was under construction during the same period.  Project teams were very proactive with communication of issues and there no major conflicts between projects during construction period.

The project was completed within budget and the new lane was opened to traffic four months early. The project was closed with no outstanding claims.

Special Circumstances:

The SR-57 project involved agency coordination with the U.S. Army Corps of Engineers and the Orange County Flood Control District for work in a large-drainage flood conveyance area, the Loftus Channel. Work involved the extension of five bay box culverts into the channel area while maintaining requirements set forth in permits by both agencies. Drainage was maintained at all times across the SR-57 roadway. Work took place in the dry season, and, ultimately, the responsible agencies were satisfied with the construction quality of their facilities. Additionally, the team maintained traffic on SR-57 and the city streets during construction. This effort required coordination for the contractor as well as development of a traffic management plan that kept traffic flowing through the project area.

The SR-57 project was restaged several times to accommodate the contractor’s requests. Most notably, SR-
57 was restaged to widen several structures concurrently, which accelerated the scheduled opening of traffic lanes. Additional soil testing was required to determine whether actual soil plasticity characteristics exceeded design guidance thresholds, which would have required mitigation for expansive soils. Test results confirmed soils were not as plastic as the project’s geotechnical report stated. This allowed the team to work with the project designers to eliminate a large amount of proposed lime treatment for subgrade material, resulting in cost savings of approximately $180,000.

OCTA and Caltrans were pleased to complete the project without any outstanding claims. The CM team kept OCTA and Caltrans project management informed of schedule and cost issues throughout the duration of the project. The team earned the Caltrans Partnering Success in Motion – Gold Award for working through several very difficult challenges.

Project Attachments:

The team successfully managed the project’s SWPPP program and maintained an audit rating of 1A throughout the project. This was the highest possible rating for both documentation maintenance and field compliance according to Caltrans project review protocol. Construction records were properly maintained and passed several inspections by Caltrans evaluators. Project records were also audited on numerous occasions
and maintained an acceptable rating each time.

The project only had a few minor accidents related to vehicles operated by construction staff and public in/near work zones. There were no major incidents resulting in lost time on the project.

Award Citation::

SR 57 North Segment was a very successful construction project which achieved traffic congestion relief for residents of Orange County, Fullerton, and Brea.
HDR provided exceptional services to OCTA/Caltrans and was instrumental in delivering the project ahead of schedule and within budget.
The design and CM teams worked closely to develop and negotiate several challenging construction change orders that were critical to the successfully delivering the project.

Suggested Award Summary:

The SR 57 North Segment was one of three widening projects located on the state highway system in North Orange County.
The project consisted of widening the 2.8-mile roadway, constructing 22 retaining walls and six soundwalls, and widening five bridges along SR-57. Yorba Linda to Lambert is the northern segment of the SR-57 project, with a southern terminus of Katella Avenue in the City of Anaheim.
HDR assisted Caltrans in completing construction of the new lanes which included bridge work, pile foundation construction, substructure and superstructure construction, sound walls, retaining walls, mechanically stabilized earth (MSE) walls and tieback retaining walls.
The project reduced traffic congestion and delays, increased safety and facilitated the flow of goods and
services in Orange County.
All work was coordinated with the adjacent SR-57 middle segment widening project which was under construction during the same period.  Project teams were very proactive with communication of issues and there no major conflicts between projects during construction period.
The project was completed within budget and the new lane was opened to traffic four months early. The project was closed out with no outstanding claims.

CEC

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