IMG 2268Precast Box Culverts provide a cost effective structural solution with excellent flow characteristics for wide flow and low hydraulic head conditions

In a wide range of sizes and offering flexibility in configuration, precast box culverts are easily adaptable requiring minimum excavation and backfill.

Applications include:

  • Creek crossings
  • Culverts
  • Drainage structures with limited fill height
  • Small bridges
  • Pedestrian, fauna and stock underpasses
  • Access tunnels
  • On site detention
20160802 Te Atatu Pedestrian UP 3
IMG 5471
FHC Causeway 1
Wyanga 271119 P2N ARTC 2
20221018 Slopedown 4.0m x 2.0m BC 1


Small Box Culverts
& AS1597.1

Guidance on use and specifying to AS1597.2:2013

Large Box

Guidance on use and specifying to AS1597.2:2013

Box Culverts
in NZ

Guidance on Box Culverts
in New Zealand