Bon Air Road Bridge Replacement Project

4 Documents in Project


SCH Number
Lead Agency
Larkspur, City of (City of Larkspur)
Document Title
Bon Air Road Bridge Replacement Project
Document Type
MND - Mitigated Negative Declaration

Document Description
The City proposes to replace the existing Bon Air Road Bridge with a new bridge that is 388 feet long and 62.5 feet wide. The bridge will generally follow the same alignment as the existing bridge with the north edge of the bridge extending approximately 13 feet beyond the north edge of the existing structure. The new bridge will reduce the number of spans and columns to less than half of the number that currently exist. The structure will carry one 12-foot lane of traffic in each direction and have a 6-foot Class 1 bicycle path and 5-foot sidewalk in each direction.

Contact Information
Hamid Shamsapour
City of Larkspur
400 Magnolia Avenue
Larkspur, CA 94939

415 927 5017


37°56'41"N 122°32'17"W
Corte Madera
Cross Streets
Bon Air Road and South Eliseo Drive
Total Acres
Parcel #
022-060-18 & various for temp. easements
State Highways
Hwy 101
Marin Catholic HS
Corte Madera Creek

Notice of Completion

Review Period Start
Review Period End
Development Type
Transportation:Other (Bridge replacement)
Local Action
Other Action
Project Issues
Cumulative Effects Landuse Wildlife Wetland/Riparian Water Quality Vegetation Traffic/Circulation Toxic/Hazardous Soil Erosion/Compaction/Grading Schools/Universities Recreation/Parks Public Services Noise Geologic/Seismic Flood Plain/Flooding Drainage/Absorption Biological Resources Archaeologic-Historic Air Quality Aesthetic/Visual
Reviewing Agencies
State Lands Commission Department of Fish and Wildlife, Region 3 Air Resources Board, Transportation Projects California Coastal Commission California Department of Boating and Waterways California Department of Parks and Recreation California Highway Patrol Caltrans, District 4 Department of Water Resources Native American Heritage Commission Office of Historic Preservation Regional Water Quality Control Board, Region 2 Resources Agency San Francisco Bay Conservation and Development Commission
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