San Mateo County Bridge Repair Project (EA 3Y620)
Summary
SCH Number
2025111062
Public Agency
California Department of Transportation, District 4
(DOT)
Document Title
San Mateo County Bridge Repair Project (EA 3Y620)
Document Type
NOE - Notice of Exemption
Received
Posted
11/25/2025
Document Description
Caltrans proposes bridge repairs on SR-380 and US-101 at the El Camino Real Avenue Undercrossing and the SR-380/US-101 separation. The project will remove unsound concrete, patch deck spalls, replace joint seals, repair slope paving, backfill erosion gulleys, repair asphalt concrete (AC) approaches, place polyester concrete deck overlay, paint bridge identification, and repair areas of large spalls on concrete curtain walls. This work will prevent further deterioration of the bridges and roadway approaches and extend the service life of the bridges. Project construction shall begin in July of 2026 and be completed by October of 2026. All work shall remain within Caltrans right of way (ROW) and equipment shall be staged within Caltrans ROW on the bridge decks or freeway.
Contact Information
Name
Juliane Smith
Agency Name
Caltrans
Job Title
Senior Environmental Scientist (NEPA/CEQA Specialist)
Contact Types
Lead/Public Agency / Project Applicant / Parties Undertaking Project
Address
Phone
Email
Location
Cities
San Bruno, South San Francisco
Counties
San Mateo
Regions
Northern California, San Francisco Bay Area
State Highways
US-101, SR-380
Other Location Info
The project is located in the cities of South San Francisco and San Bruno, San Mateo County, at the El Camino Real Avenue Undercrossing and SR-380/US-101 separation at post mile (PM) R20.69 on US-101 and from PM 5.45 to 6.44 on SR-380.
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
PRC 21084; 14 CCR 15301 Class 1(d)
Reasons for Exemption
Class 1(d) Existing Facilities. The project is not anticipated to result in any environmental impacts. The project contains a number of standardized project measures which are employed on most, if not all, Caltrans projects and were not developed in response to any specific environmental impacts resulting from the project.
County Clerk
San Mateo
Attachments
Notice of Exemption
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