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  • Made in North Devon since 1973
  • BSI Kitemark ready-mixed concrete
  • Manufactured to applicable British Standards
  • UK-wide & European delivery

Civils · drainage · highways

Box Culverts.

Up to 2.6 × 3.6m (8ft6in × 11ft10in). Bespoke walls and reinforcement, engineered to your loading.

What size box culvert can WCCP cast?

What size box culvert can WCCP cast? We have the capability to manufacture precast concrete culverts up to 2.6m × 3.6m (8ft6in × 11ft10in) overall, up to 1.0m high, with a minimum clear opening of 700mm × 700mm (2ft4in × 2ft4in). Wall thickness is adjustable per side to suit the application (minimum 100mm), manufactured in compliance with applicable British Standards.

Precast box culverts up to 2.6 × 3.6m (8ft6in × 11ft10in), up to 1.0m high, minimum 700mm clear opening, cast in C40/50 concrete with walls and reinforcement designed to suit. Suits highway, agricultural watercourse, underpass and SuDS schemes. Bespoke skews, flat outer faces with a non-slip surface option, and inlet/outlet detailing on every order. Cast to the loading your engineer specifies.

  • · Up to 2.6 × 3.6m (8ft6in × 11ft10in)
  • · Minimum 700mm (2ft4in) clear opening
  • · Bespoke walls / rebar
  • · Non-slip outer face finish option
  • · Cast to your engineer's loading
Precast concrete box culverts being placed on site — West Country Concrete Products, Devon

Specification

Sizes, walls and loadings.

Catalogue box culvert sizes for typical schemes. Bespoke spans, skews and loadings on application.

Specification Value
Maximum overall size 2.6m × 3.6m footprint, up to 1.0m high (8ft6in × 11ft10in, up to 3ft3in)
Minimum clear opening 700mm × 700mm (2ft4in × 2ft4in) in both directions
Standard Manufactured in compliance with applicable British Standards
Wall thicknesses Adjustable per side to suit the loading — minimum workable thickness 100mm (4in)
Concrete grade C40/50
End connections Socket-and-spigot joint formed at each end of the opening
Bespoke detailing Outer faces cast flat, with a non-slip surface applied to specification — e.g. for visible bridge applications

Each culvert is engineered to the application — send the section, fill height, loading and crossing layout and we will return a casting drawing with wall thicknesses, reinforcement and unit weights for your engineer to approve.

Gallery

Culverts on site.

Rows of large precast concrete box culvert sections standing upright in the WCCP yard at Chilsworthy, Devon, with dramatic sky above
Box culverts · yard rows
Stacked precast concrete box culvert sections in the WCCP yard at Holsworthy, Devon
Box culverts in the yard
Two large precast concrete box culverts strapped to a flatbed lorry leaving the WCCP yard for delivery, Devon
Box culverts on the lorry
Precast concrete box culvert section from West Country Concrete Products being lowered into a stream excavation on site in Devon
Lowering into excavation
Precast concrete culvert supplied by WCCP, set between stone abutments with galvanised handrails to form a small footbridge, Devon
Culvert with stone abutments
Finished crossing with resin-bound surface and galvanised handrail, formed on a WCCP precast culvert deck, Devon
Finished culvert deck

Where they go

Common applications.

From a 700mm (2ft4in) drainage culvert under a farm track to a 3.6m (11ft10in) bridge section on a road scheme — same yard, same paperwork.

  • ·Watercourse and stream crossings under farm tracks
  • ·Highway and watercourse drainage culverts
  • ·Livestock and stock-grazing underpasses
  • ·Pedestrian and cycle underpasses
  • ·Bridge deck sections on accommodation crossings
  • ·Service tunnels for utilities and cable runs
  • ·Surface-water attenuation tank sections

Standards & certification

Engineered to current code.

British Standards
Our products are manufactured in compliance with applicable British Standards. For information regarding the specific standards applicable to a particular product, please contact us.
Eurocode 2
Concrete structural design — section, joint and bearing checks. Traffic and imposed loading are specified by your engineer.

Configure your culvert

Send section, fill height and loading — we will quote it.

Related products

Often ordered alongside.

View full range

Drawings and specification sheets

Box culverts — engineer pack.

Direct downloads where available, with the rest sent direct from engineering on request. Our products are manufactured in compliance with applicable British Standards — contact us for the specific standards applicable to a particular product.

Need something else? Email info@westcountryconcreteproducts.co.uk and the office will send it over.

Ready to specify it?

Send section, fill height, loading and headwall details. We will come back with a quote and current lead times.

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