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ASTM C985 – Standard Specification for Nonreinforced Concrete Specified Strength Culvert, Storm Drain, and Sewer Pipe


This specification covers nonreinforced concrete pipe designed for specified strengths and intended to be used for the conveyance of sewage, industrial wastes, and storm water and for the construction of culverts.

A complete companion to Specification C985 has been developed, C985M; therefore, no metric equivalents are presented in this specification.


concrete pipe-nonreinforced; culvert; sewer pipe; storm drain; three edge bearing strength

ASTM C985 Accredited Laboratory

Applied Testing & Geosciences, LLC is accredited for performing tests using the ASTM C985 standard.

Contact us for more information.