California Department of Transportation, District 1
Russian River Bridge Replacement Project
NEG - Negative Declaration
Present Land Use
Existing bridge over Russian River; predominantly agricultural; GP Designation: Rural Community Use
The new bridge would be slightly wider than the existing bridge, with wider shoulders on either side of the traffic lanes instead of sidewalks. The new structure would have two new abutments and four piers, compared to the existing bridge's two abutments and five piers.
Project activities would take place over three construction seasons, with any work below the river's ordinary high water elevation occurring between June 15th and October 15th. Riparian vegetation would be removed around the bridge to provide access for construction equipment. Cofferdams may be constructed to facilitate construction and pier removal along with falsework to support new concrete forms. New piers and footing would be installed through a cast in steel shell process. in addition, the low flow channel of the river would be diverted to pass through the work area between the bridge piers, and a temporary crossing may be built to allow construction equipment access. The bridge would be replaced one-half at a time, allowing for one-way, alternating vehicle use.
Aesthetics, Agriculture and Forestry Resources, Air Quality, Cultural Resources, Cumulative Effects, Drainage/Absorption, Flood Plain/Flooding, Geology/Soils, Growth Inducement, Hazards & Hazardous Materials, Hydrology/Water Quality, Land Use/Planning, Noise, Public Services, Transportation, Vegetation, Wetland/Riparian, Wildlife
State Reviewing Agencies
Air Resources Board, Transportation Projects, California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW), California Department of Parks and Recreation, California Department of State Parks, Division of Boating and Waterways, California Highway Patrol, California Native American Heritage Commission (NAHC), California Regional Water Quality Control Board, North Coast Region 1 (RWQCB), California State Lands Commission (SLC), Department of Toxic Substances Control, Department of Water Resources, Office of Historic Preservation, Resources Agency
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