Caltrans 4 (Oakland)
(California Department of Transportation, District 4)
Seismic Retrofit - Russian River Viaducts
NOE - Notice of Exemption
Ensure that the roadway above two viaducts (#20-0071 and #20-0072) remains stable in the event of a large earthquake. The project will strengthen the bridge joints by attaching standard seat extenders (3 per joint) to the two existing joints, and by installing new tube steel assemblies that will hang under the bridge deck.
Existing highway facility that will not have any impacts to environmental resources.
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