A Box Culvert is a П-shaped reinforced concrete structure used in civil engineering works, including; drainage and road works. Box culverts are most commonly used as an alternative to drainage pipes where design constraints limit the amount of cover available, but are also used in the construction of of a range of other assets including; pedestrian underpasses.
Some box culverts come with a lid and are laid with the opposite way to those shown above, i.e. oriented like a 'U' rather than a 'П' with the lid placed on top of the U.
The useful life of a box culvert will depend on a number of factors. Many Councils assume a life of 80-100 years.
- Infrastructure Asset Useful Lives Report
- Major Culvert
- Reinforced Concrete Box Culvert
- Useful Life