AASHTO M 190-22

This specification covers asphalt-coated corrugated metal pipe and pipe-arches intended to be used for the construction of metal culverts.

This specification covers four types of asphalt-coated corrugated metal pipe as follows:

• Type A—Fully Asphalt-Coated
• Type B—Half Asphalt-Coated with Paved-Invert
• Type C—Fully Asphalt-Coated and Paved-Invert
• Type D—Fully Asphalt-Coated and 100 Percent Paved or Lined