This document provides a manual for the design and detailing of concrete culverts used by the Ministry of Transportation in Ontario. It includes definitions, notations, and general information on standard culvert types and dimensions. The manual then provides detailed guidance on the design and drawing details for rigid frame open footing culverts, rigid frame box culverts, and non-rigid frame box culverts. It also includes standard details for reinforcing steel, apron walls, header walls, skewed ends, extensions, intersecting drains and manholes, and retaining walls associated with culverts.