Who to Contact
If you have questions that are not answered in the FAQ section, contact the Cement & Concrete Section of the ODOT Office of Materials Management: by telephone at (614) 275-1326 or fax (614) 351-5559.
ODOT has about 20 classes of Portland Cement Concrete. Mixes can be found in the ODOT Construction and Material Specifications under Item 499 Concrete - General. Others are associated with Supplemental Specifications like 847 and 848 for bridge deck overlays.