Modoc National Wildlife Refuge South Bridge Replacement Project
Summary
SCH Number
2025040205
Public Agency
California Regional Water Quality Control Board, Central Valley Redding Region 5
(RWQCB)
Document Title
Modoc National Wildlife Refuge South Bridge Replacement Project
Document Type
NOE - Notice of Exemption
Received
Posted
4/3/2025
Document Description
The proposed Project will demolish and remove the existing South Bridge and WCS and replace them with a new, updated bridge and WCS, adjacent and parallel to the existing location. The Project will also realign the existing gravel road to connect to the replacement structure and provide safe turning radii for the NWR’s equipment. The replacement structure must safely accommodate farm equipment, wildland fire trucks, and support vehicles that are critical to NWR operation.
The replacement bridge and WCS will include the installation of the following: concrete weir walls and wingwalls, concrete abutments and piers, concrete bridge foundations and footings, riprap scour protection upstream and downstream of the replacement structure, and various fill materials behind the structure and within the realigned roadway approaches. The existing structure will be removed after the replacement structure is installed. Typical construction equipment will be used to complete the Project, including, but not limited to, the following: backhoe, front end loader, concrete pump truck, pavers, dump trucks, jackhammer, excavator, dozer, grader, possibly impact or vibratory pile drivers, other construction vehicles, and power tools. The structure installation and removal will include excavation, grading, and filling below the ordinary high water mark of the river and within adjacent wetlands. The permanent wetland fill at this site is expected to total 3,226 square feet (0.07 acre).
Contact Information
Name
Lynn Coster
Agency Name
Central Valley Regional Water Quality Control Board
Job Title
Senior Environmental Scientist
Contact Types
Lead/Public Agency
Phone
Location
Coordinates
Cities
Alturas
Counties
Modoc
Regions
Northern California
Township
41 N
Range
12 E
Section
01
Base
MDB&M
Other Location Info
Modoc National Wildlife Refuge, County Road 115
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
Title 14, Article 19, section 15302, Replacement or Reconstruction
Reasons for Exemption
This project is categorically exempt under CEQA section 15302 because the project involves replacement or reconstruction of existing structures and facilities where the new structure will be located on the same site as the structure replaced and will have substantially the same purpose and capacity as the structure replaced.
County Clerk
Modoc
Attachments
Notice of Exemption
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