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Nevada County Bridge Program


The California Department of Transportation (Caltrans), is responsible for performing bridge inspections in accordance with federal regulations on approximately 12,000 bridges owned by local government agencies and making structure repair recommendations, as well as determining the safe load capacity. The purpose of the Highway Bridge Program (HBP) is to replace or rehabilitate public highway bridges that the State and Federal Highway Administration determine to be structurally deficient or functionally obsolete.

Caltrans inspected approximately 43 bridges in unincorporated Nevada County. Upon review of bridge inspection reports, ten bridges have been identified as Structurally Deficient or Functionally Obsolete; meeting the criteria for either replacement or repair under the Local Highway Bridge Program (HBP). Nevada County has worked closely with Caltrans and since 2017 has completed upgrades to five of those deficient bridges, thus improving access for emergency vehicles and public safety. The other five bridges have also received HBP funding and the environmental studies and project design process are underway to upgrade these structures to improve public safety and access.

Project Scope

The Nevada County Department of Public Works will be replacing or rehabilitating, 4 bridges identified as Structurally Deficient or Functionally Obsolete, as shown below:


Nevada City

Grass Valley


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