Body OC Infrastructure Programs manages OC Public Works' Road and Bridge, Flood, and Bikeway Projects approved by the County of Orange Board of Supervisors and listed in the 7-Year Capital Improvement Program. Visit our 7-Year Capital Improvement Program page for direct links to downloadable project lists and interactive maps.

Body IMPORTANT UPDATE: For information about removal of citrus trees on flood control property, see Citrus Orchard section below. Where is the Santa Ana River Canyon Habitat Area? The Santa Ana River Canyon Habitat Area is comprised of approximately 1,100 acres of canyon habitat along the Santa Ana River from downstream...

Body Introduction The Santa Ana River Mainstem Project is designed to provide flood protection to the growing urban communities in Orange, Riverside and San Bernardino Counties . The proposed improvements to the system cover 75 miles, from the headwater of Santa Ana River east of the city of San Bernardino to...

Body The San Juan Creek Flood Risk Management Feasibility Study is a joint study between the United States Army Corps of Engineers and the Orange County Flood Control District. The purpose of this feasibility study is to evaluate flood risk management alternative measures along the lower portions of San Juan, Trabuco...

Body USACE LA District Debris Yield Los Angeles District Method for Prediction of Debris Yield February 1992 - Updated February 2000 In this section you will find informational resources including online maps, reports, manuals, and links to County Standard Plans and other government resources. Reference Materials (in PDF format) Master Plan...

Body Thank you for your interest in the upcoming Santa Ana-Delhi Channel Improvement Project. Join us for a community open house on Monday, July 24, 2023, from 5-7 p.m. at the Muth Interpretive Center in Newport Beach . For more information and to download our event flyer, please visit our event...

Body Core Services One of the County’s primary objectives is to provide our community with a safe and efficient unincorporated roadway system through the planning, design, construction and maintenance of road infrastructure, traffic safety and signal operations, annual road maintenance and related services. Public Work’s roadway responsibilities include: Securing funding to...

Body Based on traffic accident data along Santiago Canyon Road and field evaluations by traffic engineering experts, OC Public Works has been working on a series of various safety measures to enhance the safety for drivers, cyclists, pedestrians and others. In August 2020, OC Public Works will start construction activities for...

Body Project Background The bridge located along Trabuco Canyon Road, between Rose Canyon Road and Trabuco Creek Road, is nearing the end of its service life and has required repeated maintenance following significant rainstorms. Project Information OC Public Works staff will host a virtual (online) community meeting to present potential bridge...