California Department of Transportation
Coronado Bridge Carquinez Bridge San Francisco/Oakland Bay Bridge Richmond San Rafael Bridge

Materials Engineering and Testing Services

Office of Roadway Materials Testing
Chemical Testing Branch

The Chemical Testing Branch offers the services of a full analytical laboratory.  We confirm quality assurance tests on many different types of highway construction materials.  The following table lists Chemistry Testing Branch contacts and their area of expertise.



Infrared Spectrophotometer
Metal Analyzer
Microscopic paint inspection
Infrared Sspectrophotometer
(used for verifying composition and identifying contaminants)
Metal Analyzer
(used to determine the composition of steel, cast iron & aluminum)
Microscopic Paint Inspection


Photo Album

Middle Fork Feather River Br.
Sacramento River Viaduct Br.
San Rafael Br.
Middle Fork Feather River Br.12-0188
Sacramento River Viaduct Br.
San Rafael Br.