SJ County Bridge Rehab

5 Documents in Project


SCH Number
Lead Agency
Caltrans 3 (Marysville) (California Department of Transportation, District 3)
Document Title
SJ County Bridge Rehab
Document Type
MND - Mitigated Negative Declaration

Document Description
Caltrans proposes to rehabilitate mechanical and electrical systems that enable the operation of the Old River Bridge (#29 0045) on SR 4 at the county line of Contra Costa and San Joaquin counties. The swing span (the moveable portion of the bridge) is the central part of the bridge deck, which swings out perpendicular to the rest of the structures, opening a passage for marine traffic. The mechanical and electrical components that support operation of the bridge date back to the construction of the control house in 1938, when the operation of the swing span was first mechanized. The equipment is old and appears archaic even to the uneducated eye. The work will be limited to repair and replacement of the mechanical and electrical components, most of which reside within the bridge structure.

Contact Information
Jaycee Azevedo
California Department of Transportation, District 3
1976 E Dr Martin Luther King Blvd
Stockton, CA 95205

Phone : (209) 941-1919


Contra Costa San Joaquin
Cross Streets
SR 4 at Old River
State Highways
Old River
Other Location Info
Discovery Bay

Notice of Completion

Review Period Start
Review Period End
Project Issues
Archaeologic-Historic Biological Resources Water Quality Wetland/Riparian
Reviewing Agencies
California Department of Fish and Wildlife, Bay Delta Region 3 California Department of Fish and Wildlife, North Central Region 2 California Department of Parks and Recreation California Highway Patrol California Native American Heritage Commission California State Lands Commission Central Valley Flood Protection Board Delta Protection Commission Delta Stewardship Council Department of Water Resources Office of Historic Preservation Resources Agency California Regional Water Quality Control Board, Central Valley Sacramento Region 5

Disclaimer: The document was originally posted before CEQAnet had the capability to host attachments for the public. To obtain the original attachments for this document, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at or via phone at (916) 445-0613.

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