Recently Completed CIP Projects:
Mapleview Street Biofiltration and Channel Restoration Project was constructed to improve surface water quality through implementation of green infrastructure and improved conveyance of stormwater flows. A series of biofiltration basins were constructed within the shoulder of the roadway, allowing for infiltration and treatment of stormwater runoff. The project also added green space and new sidewalks to enhance pedestrian safety and mobility. Approximately 2,500 linear feet of new sidewalk and pedestrian ramps were installed to close the sidewalk gaps along Mapleview Street between Vine Street and Pino Drive.
Cajon Air Center Phase II Project improved the airfield drainage system by connecting the Cajon Air Center Phase I detention basiin to the existing drainage system. The project also improved the runway object free areas (ROFA) and runway safety areas (RSA) on the airfield. The ROFA is an area surrounding the runway that must be kept free of any objects above ground level to provide adequate aircraft wing-tip clearance. The RSA is a designated area surrounding runway that serves to enhance safety in case an airplane overruns the runway. The Federal Aviation Administration (FAA) identified this drainage project as a priority and received Federal Grant funding. Project was completed in December 2020.
Dehesa Road at Harbison Canyon Road Intersection Improvement Project consisted of traffic signal installation and road widening to provide turn lanes. It also included replacement and extension of storm drains, construction of new sidewalks and bioswales. Project was completed in June 2020.
Fuerte Drive at Alzeda Drive Intersection Improvements Project included realignment along Fuerte Drive and widening at the intersection of Fuerte Drive and Alzeda Drive to accommodate a left turn pocket and improve sight distance and drainage. Project was completed in September 2019.
Ammunition Road Sidewalk Improvements Project consisted of installing curb and gutter, sidewalk, and a retaining wall. Project was completed in July 2020.
Winter Gardens Boulevard Sidewalk Project included the construction of curb ramps, curb and gutter, cross gutter, traffic signal, driveways, and sidewalk. Project was completed in November 2020.
The Willows Road Bridge Scour Mitigation Improvements Project was completed at the crossing of Viejas Creek in the unincorporated community of Alpine. Caltrans had identified the 84-year-old Willows Road Bridge at Viejas Creek as eligible for improvements to prevent scour from occurring that threatened to undermine footings of the bridge. The project included construction improvements around the perimeter of each footing to deepen and strengthen the foundation of the bridge supports. The impacted construction areas are currently being restored to mimic the pre-construction habitat. The Willows Road Bridge Scour Mitigation Improvements Project contributed to a safe and reliable roadway network in the community of Alpine.
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