Suitable for a wide variety of applications such as:

• Highways.
• Storm and foul sewers.
• Tunnels and subways.
• Underpasses.
• Stream crossings.
• Road crossings.
• Service tunnels and ducts.
• Attenuation and storage tanks.
• Water course diversion.

Marshalls Civils & Drainage precast concrete box culverts are designed and manufactured in accordance with EN 14844. They are designed to suit Highway loading (LM1 - LM3) making them suitable for a wide range of sites and situations.

Box culverts are available in square or rectangular units and can be used as single or multi-unit runs, giving excellent mechanical and hydraulic performance. Available in standard sizes available from stock and a bespoke range available upon request that are manufactured to customer specification.

The culvert is available with end walls, access points, vent holes, inlets, outlets, double rungs, splayed ends, starter bars and threaded sockets, a range of different inverts, dry weather flow and dished inverts.

Features and benefits:

• Minimum maintenance - box culverts do not need any additional treatments to prolong life and they do not rust.
• Long-life performance – 120-year design life.
• Quick and easy installation as delivered to site ready to install.
• Whatever requirements there are standard stock and bespoke culvert range options.
• Get optimum flow rates with the culverts smooth finish offering.
• Excellent mechanical and hydraulic performance as the smooth finish allows water to flow through.