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Materials & Tests Division - Laboratory Operations Office

6601 Centennial Blvd.
Nashville, TN 37243 0360
phone (615) 350-4100
fax (615) 350-4128Photo of materials lab building.

The 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 AAP (AASHTO Accreditation Program) 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.

Click here for Concrete Cylinder Break Results

For required testing forms for materials click here Downloadable Forms

Click here for the Qualified Products List

This is the AAP logo.

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

Asphalt Mix Design & Liquid Asphalt Lab       615-350-4173   7:30 a.m.—4:30 p.m. CST
The function of this AMRL (AASHTO Materials Reference Laboratory) certified laboratory is to perform various AASHTO/ASTM test methods. This lab investigates aggregate properties, and volumetric properties, along with the liquid properties of various mix de signs used on Tennessee's roadways.
Chemical Lab       615‐350‐4182   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       615-350-4190  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       615-350-4187   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.