Ritchie Creek Bridge Replacement and Fish Passage Improvement Project


SCH Number
Lead Agency
Caltrans, District 4 - Bay Area/Oakland (California Department of Transportation, District 4)
Document Title
Ritchie Creek Bridge Replacement and Fish Passage Improvement Project
Document Type
MND - Mitigated Negative Declaration
Project Applicant
California Department of Transportation
Present Land Use

Document Description
Caltrans proposes to replace the existing Ritchie Creek Bridge with a new bridge at PM 33.13, located on SR 29 in Napa County. Replacing the bridge would remove the fish passage barriers and allow Caltrans to obtain 42 TMDL compliance unit credits to meet the requirements of the Caltrans Statewide NPDES Permit.

Contact Information
Nathan Roberts
California Department of Transportatin
111 Grand Ave
Oakland, CA 94612

Phone : (510) 286-6603


Calistoga St. Helena
Citywide Countywide Unincorporated
Cross Streets
Larkmead Lane
State Highways
SR 29
Ritchie Creek, Napa River

Notice of Completion

Review Period Start
Review Period End
Development Type
Transportation:Highway/Freeway (Bridge Replacement)
Project Issues
Aesthetic/Visual Agricultural Land Air Quality Archaeologic-Historic Biological Resources Drainage/Absorption Economics/Jobs Flood Plain/Flooding Forest Land/Fire Hazard Geologic/Seismic Greenhouse Gas Emissions Minerals Noise Population/Housing Balance Public Services Recreation/Parks Soil Erosion/Compaction/Grading Solid Waste Toxic/Hazardous Traffic/Circulation Tribal Cultural Resources Vegetation Water Quality Water Supply Wetland/Riparian Wildlife Growth Inducing Land Use Cumulative Effects Other
Reviewing Agencies
California Air Resources Board California Department of Conservation California Department of Fish and Wildlife, Bay Delta Region 3 California Department of Forestry and Fire Protection California Department of Parks and Recreation California Department of Water Resources California Highway Patrol California Native American Heritage Commission California Natural Resources Agency California Regional Water Quality Control Board, San Francisco Bay Region 2 California State Lands Commission California Transportation Commission 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 California Department of Transportation, District 4


Environmental Document
4J990 NOA   PDF 100 K 4J990 SCH Summary Form   PDF 579 K 4J990_Ritchie_Creek_Bridge_ISMND_11272020 (2)   PDF 13655 K 4J990_Ritchie_Creek_Bridge_PD   PDF 1527 K
4J990 Final NOC   PDF 1769 K
State Comments
2020120007_CDFW Comment   PDF 383 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 state.clearinghouse@opr.ca.gov or via phone at (916) 445-0613. For more information, please visit OPR’s Accessibility Site.

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