Section 401 Water Quality Certification Public Notice

Parkside Avenue Bridge Replacement


The San Francisco Regional Water Quality Control Board is currently reviewing an application for the following project for water quality certification under Section 401 of the Clean Water Act. We encourage public comments on the proposed work, which will be considered in the decision on certification. You may submit comments on this project to the staff member below.


Project Name:

Parkside Avenue Bridge Replacement
City/County:

Hillsborough, San Mateo County
Comment Period:

7/3/2025 - 7/23/2025
Project Description:

The project's purpose is to repair a degrading concrete bridge structure over a creek crossing that has erosion issues that were exacerbated by 2022 winter storms. The project will repalace the degrading concrete arch culvert structure with a free-span bridge along the same alignment which will improve strcuture stability.
Project Files:

Contact Staff for files
Staff Contact:

Kathryn Hart
(510) 622-2356
Water Quality Control Board
1515 Clay Street, Ste 1400
Oakland, CA 94612