Precast concrete box culverts are ideal for solving drainage problems, material handling systems, and building tunnels. Walker Industries manufactures three types of precast box culverts, monolithic, segmental/mid seam, and three-sided. All products are designed by Engineers according to the load capacity required. Our plant is certified by the NPCA and adheres to AASHTO, ASTM, state departments of transportation, and ACI guidelines.
Monolithic
Four-sided concrete culverts are commonly referred to as monolithic box culverts. Box culverts that are manufactured by us are designed to be versatile for every situation. At the same time designed to be structurally reliable, and have the ability to advance construction projects. Box culverts are suitable for applications such as underpasses, tunnels, bridges, stream culverts, material handling, storage, and more.
- Available in standard sizes ranging from 2’x2’ up to 12’x12’
- They can be designed for HL93 loading
- Wingwall and headwalls end treatment options available
- Standard 6’ lay lengths; however, longer lay lengths may be available
- Penetrations available for manhole access and ancillary pipe connections
- Custom bend sections are available to follow existing channels
Two-Piece or Mid-Seam Box Culvert
Made up of separate segments assembled in the field to make the final structure, segmental box sections are used in the building of culverts for the underground conveyance of stormwater.
- Available in standard sizes ranging from 2’x2’ up to 12’x12’
- They can be designed for HL93 loading
- Wingwall and headwalls end treatment options available
- Standard 6’ lay lengths; however, longer lay lengths may be available
- Penetrations available for manhole access and ancillary pipe connections
- Custom bend sections are available to follow existing channels
Three-Sided Box Culvert
Three-sided culverts are very versatile. They can be manufactured in a wide range of sizes and can be used to channel stormwater or wastewater and create short-span bridges.
- Available in standard sizes ranging from 2’x2’ up to 12’x12’
- They can be designed for HL93 loading
- Wingwall and headwalls end treatment options available
- Standard 6’ lay lengths; however, longer lay lengths may be available
- Penetrations available for manhole access and ancillary pipe connections
- Custom bend sections are available to follow existing channels
