Office of Structures Local Assistance (OSLA)


Welcome to the home page of the Office of Structures Local Assistance (OSLA), a unit of the Division of Engineering Services. We provide liaison and technical support to local agencies through the Local Agency Highway Bridge Program (HBP), the Local Agency Seismic Safety Retrofit Program (LSSRP), and other State and Federally funded structure projects.

Statewide Alerts and Other Information.

Contact Information

Physical Address:

Department of Transportation
Engineering Services
1801 30th Street
Sacramento, CA 95816-8041

Engineering Related Information:

Phone: 916-227-8704

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