Y Road

HMH provided civil engineering services for a new bridge on Y Road at the San Benito River for the  San Benito County Department of Public Works.  The project is a 780-foot-long bridge at an existing low water crossing along Y Road, funded by the Federal Highway Bridge Program (HBP) with oversight by Caltrans District 5 Local Programs office on behalf of the FHWA.

The Low Water Crossing approximately 3 miles north of the City of San Juan Bautista, was maintained by the County for through traffic up until 1998.  After receiving petitions from neighboring businesses and individuals, the County proposes to replace the existing lower water crossing with a new, six span cast-in-place post-tensioned box girder bridge.

HMH aided the County in coordinating with the Caltrans Local Programs office, performed aerial and ground topographic surveys for preliminary engineering and modeling for the Location Hydraulic Studies, right-of-way surveys and mapping to establish the bridge concept and initiate environmental clearance activities.  However, the project was put on hold by the County in 2015.


  • Public Works
  • Stormwater Compliance


San Benito County



Key Facts

  • Client: County of San Benito
  • Comprehensive aerial and ground topo surveys.
  • Right-of-way surveys and mapping.
  • Coordinated vertical geometric design with location hydraulic study.

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