General Info

Culvert is defined as a tunnel structure constructed under roadways or railways to provide cross drainage or to take electrical or other cables from one side to other. It is totally enclosed by soil or ground. Pipe culvert, box culvert and arch culvert are the common types used under roadways and railways. The design of culvert is based on hydraulic, water surface elevation, and roadway height and other conditions. These are used for water flow in a controlled way.