Engineering Services (DES)
The Division of Engineering Services (DES) is the lead project delivery organization for the design, construction, and oversight of bridge and other transportation structures. DES is a comprehensive, multidisciplinary engineering organization committed to providing our clients with quality products and services in a timely manner. Contact Engineering Services
100th Anniversary of the Bridge Department
Contractor's Corner
Forms
- Office of Quality Assurance and Source Inspection - Inspection Request Form (TL-38)
Industry Resources
- ACEC - DES Liaison Forum
- Advance Notice to Contractors
- Bridge Contractors Outreach
- California Bridge Falsework Forum
- Joint Training and Certification Program (JTCP)
- Photogrammetry
- Preliminary Investigations
Manuals
Online Resources
- Aggregate Prequalification Program
- Asphalt Supplier Certification Program
- Authorized Facility Audit List
- Authorized Laboratory List
- Authorized Materials Lists (AML)
- Bidder Resources
- Bridge Paint and Pavement Striping Paints
- California Tests (CT)
- Caltrans - ADSC Standard Mitigation Plan (PDF)
- Caltrans Low-Carbon Materials Initiatives
- Certificate of Compliance Program for Concrete Curing Compounds and Thermoplastic Traffic Striping
- Data Interchange for Materials Engineering (DIME)
- DRISI Transportation Research
- Electrical Quality Assurance and Source Inspection Inspectors
- Environmental Product Declarations (EPD)
- Independent Assurance Program
- Inertial Profiler Certification Program (IPCP)
- Job Mix Formula Prequalification Program (JMF-PP)
- Local Government Oversight
- MASH-compliant Safety Devices
- Materials Engineering and Testing Services Representatives (METS Reps)
- Office of Special Funded Projects and Structures Local Assistance (OSFP/SLA)
- Product Evaluation Program (PEP)
- Quality Control Ultrasonic Testing (UT) Qualification Requirements (PDF)
- Statewide Independent Assurance Database (SIAD)
- Title VI Program
- Transportation Laboratory Tours
- Welding Quality Control Plan (WQCP) Requirements
Seismic Engineering
- Caltrans ARS Online
- Research
- USGS Real-Time Earthquake Map of California
Software
Structure Document Request
- Confidentiality Agreement
- Structure Document Request Guidelines