Soquel Creek Scour Mitigation Project

Summary

SCH Number
2019059101
Lead Agency
Caltrans 5 (San Luis Obispo) (California Department of Transportation, District 5)
Document Title
Soquel Creek Scour Mitigation Project
Document Type
MND - Mitigated Negative Declaration
Received

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
50 Higuera St.
San Luis Obispo, CA 93401

805-542-4663

Location

Cities
Capitola
Counties
Santa Cruz
Cross Streets
Highway 1 and Wharf Road
Zip
95073
State Highways
1
Schools
Soquel ES, New
Waterways
Soquel Creek

Notice of Completion

Review Period Start
Review Period End
Development Type
Transportation (Bridge scour mitigation)
Project Issues
Cumulative Effects Wetland/Riparian Water Quality Vegetation Soil Erosion/Compaction/Grading Noise Flood Plain/Flooding Biological Resources Air Quality Aesthetic/Visual
Reviewing Agencies
Air Resources Board, Transportation Projects California Department of Parks and Recreation California Highway Patrol Department of Fish and Wildlife, Region 3 Department of Water Resources Native American Heritage Commission Office of Historic Preservation Regional Water Quality Control Board, Region 3 Resources Agency State Water Resources Control Board, Division of Drinking Water

Attachments

Environmental Document
1H480 Soquel Creek Scour Mitigation DED 5-7-19rev1   PDF 3798 K noa   PDF 446 K summary form   PDF 110 K
NOC
noc   PDF 1235 K
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