Rumsey Bridge

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Rumsey Bridge

Rumsey Bridge Project


The Rumsey Bridge Project is currently in the environmental clearance phase.  The Rumsey Bridge is located in the Capay Valley on County Road 41 (CR 41) over Cache Creek.  CR 41 is located off of State Route 16 near the town of Rumsey.  The Rumsey Bridge was built in 1930, and lengthened in 1946 after Cache Creek washed out an abutment.  The bridge is now 311 feet long.  The original bridge consists of concrete through-arch spans that are historic in nature, but the 1930-era concrete is in poor condition.  The bridge structure is susceptible to scour from creek flows and the structure does not meet modern seismic standards. 

The County retained Quincy Engineering Inc (Quincy), a civil engineering consulting company to evaluate feasible bridge alternatives and complete the environmental clearance for the selected alternative. Quincy completed an assessment of the seismic and scour vulnerabilities of the existing bridge, prepared a feasibility study of repair and rehabilitation options, and performed a lifecycle cost analysis for each proposed alternative.  Following this work, the Board of Supervisors selected the bridge replacement alternative in late 2015. Quincy and their environmental sub-consultant are currently completing the environmental studies and reports required by Caltrans, the lead agency responsible for certifying compliance with the Federal National Environmental Protection Act (NEPA).

The Initial Study/Mitigated Negative Declaration document was publicly circulated for comment on May 26, 2020, in accordance with the California Environmental Quality Act (CEQA).  You can click the following links to the Notice of Intent (NOI) and this CEQA document:

Notice of Intent (NOI)

County Road 41 (Bridge No. 22C-0003) over Cache Creek Bridge Replacement Project Initial Study and Mitigated Negative Declaration — Public Draft 

You may review and provide written comments per the directions in the NOI through June 26, 2020.

Following this environmental work, the project can move to the next phase. 

If you have any questions or comments related to the project, please email Todd Riddiough at todd.riddiough@yolocounty.org

Past Postings/Activities:

On December 4, 2019, after almost two years of coordination between community groups, county staff, and the State, the following Memorandum of Agreement (MOA) was reached for historical mitigation requirements for the project:

MEMORANDUM OF AGREEMENT BETWEEN THE CALIFORNIA DEPARTMENT OF TRANSPORTATION AND THE CALIFORNIA STATE HISTORIC PRESERVATION OFFICER REGARDING THE RUMSEY BRIDGE REPLACEMENT PROJECT 

Beginning of Section 106 Process

December 15, 2015 Board of Supervisors Meeting

July 28, 2015 Board of Supervisors Meeting

February 2, 2015 Public Meeting

July 21, 2014 Public Meeting


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