Reconstruction of Vine Street from Oak Avenue to County/City Boundary near Leland Avenue

• The Project involves the roadway reconstruction of Vine Street from Oak Avenue to County/City Boundary near Leland Avenue in the unincorporated West Menlo area.

Encina Avenue Reconstruction

• Reconstruction of Encina Avenue from Middlefield Road to End of Road.

Higgins Canyon Road Bridge at Mills Creek Embankment and Wingwall Repairs Project

• The Higgins Canyon Road Bridge at Mills Creek Embankment and Wingwall Repairs Project will repair the failing embankment and exposed wingwall of the bridge. The work to be done consists, in general, of installing a wingwall underpinning system, constructing a retaining wall with ground anchors, drainage improvements, and installing a rock slope protection revetment with plantings, and erosion control/slope protection.

Road Oil Application In Conjunction with the County 2022 Chip Seal Road Maintenance Project

• The work to be done consists of placing emulsion oil for the chip sealing of Tunitas Creek Road, Higgins Canyon Road, Purisima Creek Road, Verde Road, Lobitos Creek Road, Bear Gulch Road, Native Sons of Golden West Road, Stage Road, Swett Road, Star Hill Road, Old La Honda Road, Page Mill Road, Sunshine Valley Road, and Miramontes Road prior to the placement of chips by the County of San Mateo Road Division. In addition, Sunshine Valley Road will receive a full length and full width fog seal treatment after the installation of the chip-seal application. 

Coyote Point Marina Maintenance Dredging and Pile Replacement Project

• The work to be done consists, in general, of maintenance dredging in the Coyote Point Marina Approach Channel and Entrance Channel, optional additive work may include maintenance dredging of parts of the marina fairways and berths as well as the furnishing and installation of both a concrete navigation pile and a steel guide pile.

2022 Pavement Preservation Project

• The 2022 Pavement Preservation Project involves pavement repair, asphalt rubber cape seal, micro-surfacing, slurry seal, and restriping  of various streets in the un-incoprated areas of San Mateo County.

Lobitos Creek Slipout and Culvert Repair Project

• The Lobitos Creek Slip-out and Culvert Repair project includes soil nail wall installation on the failed slope face. In addition to the soil nail wall installation fill material and a shotcrete wall provide needed backfill of slope face. The culvert adjacent to the failed slope will be repair and replace with a fire resistant corrugated metal pipe culvert.

Roads Culvert Improvements Project for Various Locations (JOC)

• This project includes pipelining and culvert improvements at various locations within the County.

Culvert Replacement Project at Bear Gulch

• The project will replace a deteriorated 60-inch corrugated metal pipe with a 60-inch polyethelyne pipe by open trench. The improvements will also include the installation of a concrete head wall to support the new pipe and road shoulder.

Sawyer Camp Trail Paving and Culvert Improvement Project

• The Sawyer Camp Trail Paving and Culvert Improvement Project aims to improve approximately 3.00 miles of pavement at Sawyer Camp Trail. This project also includes the improvement of culverts within the project limits to enhance storm drainage and flood protection in the trail.

Scour Countermeasure At Cloverdale Road Bridge

• The County partnered with the Resource Conservation District (RCD) to repair the scour damage at the bridge and include habitat restoration upstream and downstream of the bridge. In general, the project improvements include removing the failed sacked concrete wall, repairing the failing bank, and installing habitat enhancement features like log structures, fish resting pools, floodplain expansion, revegetation, and a fish passable roughened channel.

California Environmental Quality Act (CEQA) Postings

• Pursuant to Executive Order N-54-20, signed April 22, 2020, and Executive Order N-80-20, signed September 23, 2020, requirements for filing, noticing, and posting of CEQA documents with county clerk offices have been modified.

Hillside/Adeline Area Sanitary Sewer Rehabilitation Project

• Replacement of approximately 6,570 LF of sanitary sewer with appurtenant work thereto in San Mateo County.

County Flood Warning System Upgrade and Installation

• Plan and execute a coordinated county-wide flood emergency preparedness and response program, in collaboration with the Sheriff's Office of Emergency Services.

County of San Mateo Routine Maintenance Program

• The purpose of developing the Routine Maintenance Program is to provide a more comprehensive, efficient, and consistent approach to conducting and permitting routine maintenance activities.

Belmont Creek Watershed Management Plan

• The County is working with the Cities of Belmont and San Carlos on a regional solution for flooding along Belmont Creek.

Navigable Slough Feasibility Study

• The County is working with the cities of South San Francisco and San Bruno to determine improvements to Navigable Slough, a tidally influenced tributary to Colma Creek.

CSA 11 Water Supply & Sustainability Project

• County crews are repairing various sites which incurred storm damage over the 2016/17 winter season.

Reconstruction of Loyola Avenue from El Camino Real to Glendale Avenue

• The Project involves the roadway reconstruction of Loyola Avenue from El Camino Real to Glendale Avenue in the unincorporated North Fair Oaks area...

Reconstruction and Cape Seal of Madrid Ave, Sevilla Ave & Sonora Ave in El Granada

• Reconstruction and Cape Seal on sections of Madrid Avenue, Sevilla Avenue, and Sonora Avenue in El Granada...

Reconstruction of A Street and 2nd Ave in Unincorporated Colma

• Roadway reconstruction of A Street from El Camino Real to Third (3rd) Avenue and Second (2nd) Avenue from A Street to County/Daly City limit in the Unincorporated Colma Area....

Seneca Lane Mudslide Sewer Stabilization Project

• Replacement of 174 feet of sanitary sewer pipe in an easement behind properties in Seneca Lane. Earthwork excavation and backfill and soldies pile retaining wall with tiebacks to stabilize mudslide...

Reconstruction of Croner Avenue in the West Menlo Park Area

2017 Coastside Cape and Slurry Seal Project

• Pavement repairs, crack sealing, and applying a cape or slurry seal over existing roadway...

Alpine Road Trail Improvements Project

• Rehabilitation of approximately 1.84 miles of Alpine Road Trail... 

Madera Lane Bridge Preventive Maintenance Project

• Repair of Madera Lane Bridge over El Corte De Madera Creek...

Alpine Road Bridge Preventive Maintenance Project

• Repair of Alpine Road bridge over San Francisquito Creek...

Stage Road Bridge Preventive Maintenance Project

• Repair of Stage Road bridge over Pescadero Creek...

2017 Bayside Cape and Slurry Seal Project

• The construction work will involve pavement repairs, crack sealing, and applying a cape or slurry seal over the existing roadway... 

2017 Resurfacing of Various Streets

• Resurfacing of various streets in the Harbor Industrial, North Fair Oaks, West Menlo Park, Moss Beach and Montara Areas...

Reconstruction of Seventh Avenue in the North Fair Oaks Area

Half Moon Bay Airport South Perimeter Installation Project

• The existing 2,300 feet of perimeter fencing on the south-end of the Half Moon Bay Airport is in poor condition. Airports must be fenced in order to meet Federal Aviation Administration requirements. The perimeter fence will be replaced using material that is resistant to corrosion....

Half Moon Bay Airport Windsock Replacement Project

• Airport windsock will be replaced in order to meet Federal Aviation Administration requirements...

Half Moon Bay Airport Culvert Repair Project

• Replacement of two culverts below Taxiway Bravo...

Winter Storm Damage Repairs

• County crews are repairing various sites which incurred storm damage over the 2016/17 winter season. The damage sites for which preliminary repair strategies have been developed include Gazos Creek Road, Old La Honda Road, Alpine Road, Mirada Road, Entrada Way, Portola Road and Capistrano Road...

Crystal Springs Dam Bridge Replacement Project

Reconstruction of Lucky Ave & Liberty Park Ave, Menlo Park

• Improving the intersecting streets, Lucky Ave & Liberty Park Ave, to meet road standards adopted by the Board of Supervisors for West Menlo Park..

Reconstruction of Palo Alto Way, Leland Ave & Stanford Ave

• The broadening and refinement of three roads in West Menlo Park, as desired by surveyed property owners, to comply with minimum road standards, including road width and gutters....

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Seal Cove/Moss Beach Area Roads Improvement

Alpine Road Traffic Corridor Study

• A comprehensive corridor study on Alpine Road that will to improve access and connectivity and reduce mobility barriers for all types of travel, and more...

Mirada Road Pedestrian Bridge Replacement – Miramar Area

• The Department is working to design a project to replace the deteriorating pedestrian/bicycle bridge over Arroyo de en Medio in its current location and reinforce the banks adjacent to the bridge.

El Granada Eucalyptus Tree Removal Project

• Trees within the median islands along Ave Cabrillo and The Alameda will be trimmed or removed for fuel reduction and hazard tree removal. Fuels reduction will be within proximity to County maintained facilities (roads).

Alpine Slip-out Repair Project

• The Project repaired a 35-foot-long section of embankment on Alpine Road in the unincorporated Los Trancos Woods area of San Mateo County. Corte Madera Creek exists below the embankment. Previously, the Alpine Road shoulder was unsupported due to the recent movement of the embankment towards the creek.

Coyote Point Eastern Promenade Rejuvenation Project

• The Coyote Point Eastern Promenade Rejuvenation Project includes reconstruction of the eastern promenade and parking lots, a new beach area with flood protection features, and installation of a new restroom facility.

Parkwide Paving for Memorial Park Accessible Parking (Phase 2)

• The project includes installation of additional accessible parking stalls in 5 restroom buildings.

Lobitos Creek Slipout and Culvert Repair

• The Lobitos Creek Slip-out and Culvert Repair project includes soil nail wall installation on the failed slope face.