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Cornerstone Structural Engineering Group, Inc. has been responsible for the installation of numerous infrastructure projects throughout California.  We are experienced bridge designers in addition to other infrastructure projects such as retaining walls, structural seismic evaluations and reporting, structure assessments, and advanced planning studies.

Cornerstone has extensive experience in design and special inspection for large infrastructure projects. 


Services provided:

  • Full PS&E for new design and retrofit

  • Construction Inspection Services

  • Evaluations and Reports

  • Engineering Services for APS

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