Soquel Creek Scour Mitigation Project

4 Documents in Project


SCH Number
Lead Agency
California Department of Transportation, District 5
Document Title
Soquel Creek Scour Mitigation Project
Document Type
MND - Mitigated Negative Declaration
Present Land Use
Caltrans State Right of Way

Document Description
The California Department of Transportation (Caltrans) proposes to address localized scour on the western bank of Soquel Creek at the Soquel Creek Bridge (Br. No. 36-0013), on State Route 1 (SR-1) at post mile (PM) 13.31 in Santa Cruz County. The arch span bridge was originally built in 1947 and then widened in1971 and 1995. The proposed project will remove damaged sack concrete protection and install approximately 1,250 cubic yards of rock slope protection (RSP) along the western bank underneath the bridge. RSP is among various bank and shore protection materials and methods. RSP, also called rock riprap or riprap, consists of one or more layers of rock; it is placed along river and streambanks, or along ocean and lake shores to prevent erosion. Dewatering/diversion of the creek is anticipated in order to remove sack concrete and place the RSP. The projected is planned to start construction June 2023 and the estimated construction duration is 60 working days.

Contact Information
Jason Wilkinson
California Department of Transportation
Lead/Public Agency
50 Higuera St.
San Luis Obispo, CA 93401

Phone : (805) 542-4663

Project Applicant


Santa Cruz
Cross Streets
Highway 1 and Wharf Road
State Highways
Soquel ES, New
Soquel Creek

Notice of Completion

Review Period Start
Review Period End
Development Type
Transportation (Bridge scour mitigation)
Project Issues
Aesthetics Air Quality Biological Resources Cumulative Effects Flood Plain/Flooding Geology/Soils Hydrology/Water Quality Noise Vegetation Wetland/Riparian
Reviewing Agencies
Air Resources Board, Transportation Projects California Department of Parks and Recreation California Highway Patrol California Regional Water Quality Control Board, Central Coast Region 3 (RWQCB) Department of Water Resources Office of Historic Preservation Resources Agency State Water Resources Control Board, Division of Drinking Water California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW) California Native American Heritage Commission (NAHC)


Environmental Document
1H480 Soquel Creek Scour Mitigation DED 5-7-19rev1   PDF 3798 K noa   PDF 446 K summary form   PDF 110 K
noc   PDF 1235 K
State Comments
2019059101 cdfw   PDF 2068 K SCH2019059101 NAHC_SoquelCreek-CaDOT-Wilkinson 6-19-19   PDF 222 K

Disclaimer: The Governor’s Office of Planning and Research (OPR) accepts no responsibility for the content or accessibility of these documents. To obtain an attachment in a different format, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at or via phone at (916) 445-0613. For more information, please visit OPR’s Accessibility Site.

Download CSV Download All Attachments New Search Print