County Road 305 over Watson Creek Bridge Replacement Project


SCH Number
Lead Agency
Glenn County
Document Title
County Road 305 over Watson Creek Bridge Replacement Project
Document Type
MND - Mitigated Negative Declaration
Present Land Use
Agricultural Preserve
Document Description
The County proposes to replace the existing bridge with a slightly wider and longer bridge to improve roadway safety, improve hydraulics, and reduce scour potential. The purpose of the proposed project is to replace a structurally deficient bridge with a new structure that meets current standards and reconstruct the approaching roadway to transition between the new construction and the existing roadway. The new bridge would be a standard two-lane bridge approximately 34 feet wide and 86 feet long. The bridge would have two 12-foot-wide travel lanes with 2-foot-wide shoulders on each side. The bridge would be located 75 feet to the south of the existing bridge on a new alignment. The bridge structure would consist of a multi-span, continuous reinforced concrete slab on either spread footings or cast-in-drilled-hole (CIDH) piles. The bridge abutments would be located along the banks of Watson Creek and would not be in the active channel. Rock slope protection may be placed around the new abutments to protect them from scouring and erosion as well as approximately 50 feet upstream of the bridge to prevent erosion along the creek banks. It is anticipated that the piles for the abutments and/or piers would not exceed 35 feet (approximate) below the existing ground surface. Approximately 875 feet of County Road 305 would be reconstructed. The existing bridge and County Road 305 alignment would be used for project access.

Contact Information

Donald Rust
Agency Name
Glenn County Public Works Agency
Job Title
Contact Types
Lead/Public Agency


Cross Streets
East of County Road 306
Total Acres
Parcel #
ROW, 025-090-001
State Highways
Watson Creek
Other Location Info
West of Grindstone Indian Rancheria

Notice of Completion

State Review Period Start
State Review Period End
State Reviewing Agencies
California Air Resources Board (ARB), California Department of Conservation (DOC), California Department of Forestry and Fire Protection (CAL FIRE), California Department of Parks and Recreation, California Department of Transportation, District 3 (DOT), California Department of Water Resources (DWR), California Highway Patrol (CHP), California Native American Heritage Commission (NAHC), California Natural Resources Agency, California Regional Water Quality Control Board, Central Valley Redding Region 5 (RWQCB), California State Lands Commission (SLC), Central Valley Flood Protection Board, Department of Toxic Substances Control, Office of Historic Preservation, State Water Resources Control Board, Division of Drinking Water, State Water Resources Control Board, Division of Water Quality, State Water Resources Control Board, Division of Water Rights, California Department of Fish and Wildlife, North Central Region 2 (CDFW)
State Reviewing Agency Comments
California Department of Fish and Wildlife, North Central Region 2 (CDFW)
Development Types
Transportation:Other (Bridge Replacement)
Local Actions
Bridge Replacement
Project Issues
Aesthetics, Agriculture and Forestry Resources, Air Quality, Biological Resources, Cultural Resources, Cumulative Effects, Drainage/Absorption, Energy, Flood Plain/Flooding, Geology/Soils, Greenhouse Gas Emissions, Hazards & Hazardous Materials, Hydrology/Water Quality, Mandatory Findings of Significance, Mineral Resources, Noise, Population/Housing, Public Services, Transportation, Tribal Cultural Resources, Utilities/Service Systems, Vegetation, Wetland/Riparian, Wildfire
Local Review Period Start
Local Review Period End


Notice of Completion [NOC] Transmittal form
State Comment Letters [Comments from state reviewing agencies]

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