Laboratory Operations

6601 Centennial Boulevard
Nashville, TN 37243-0360
Phone: 615.350.4130
Fax: 615.350.4128

The Materials & Tests Laboratory Operations Office, which includes the Bituminous, Chemical, Physical Testing and Soil Laboratories, serves as the central testing laboratory for the Tennessee Department of Transportation. These AASHTO Accreditation Program (AAP) laboratories perform various AASHTO/ASTM tests to ensure the materials used by the Department meet the appropriate American Society for Testing Materials, American Association of State and Transportation Officials, or Department specifications.

Laboratory Testing Information/Results:

Concrete Cylinders Break Information 

For more information regarding the Materials & Tests Laboratories, contact the individual labs at the numbers below.

Asphalt Mix Design & Liquid Asphalt Lab 
(615) 350-8173 or    (615) 350-4174                  7:30 a.m. - 4:30 p.m. CST
The function of this Asphalt Mix Design & Liquid Asphalt laboratory is to perform various AASHTO/ASTM test methods for all asphalt related materials. This lab investigates aggregate properties, and volumetric properties of various asphalt mix designs and verifies all liquid asphalt binder and emulsion properties used on Tennessee's roadways.
Chemical Lab 
(615) 350-4197
7:30 a.m. - 4:30 p.m. CST
The function of the Chemical Laboratory is to perform verification tests confirming the chemical properties of numerous materials used on state highways. These materials are used in various ways and are submitted by contractors, state personnel or producers.
Physical Lab
(615) 350-4184
7:00 a.m. - 4:30 p.m. CST
The function of the Physical Testing Laboratory is to perform verification tests for the physical properties of various materials used on state highway construction projects.
Soil Lab
(615) 350-4184 or    (615) 350-4169
7:00 a.m. - 4:30 p.m. CST
The function of the Soil Laboratory is to test soil and soil-related materials that are retrieved from proposed, active or completed state highway construction sites. The data is given to the Geotechnical Section and used for bearing capacity calculations (for structure foundation design and pavement design), slope stability determinations (for compaction and soil improvements), settlement calculations, and a variety of other purposes.