Box Culverts and Box Bridges

Box Culverts

CXT® box culverts provide quality, uniformity, and adaptability, and are ideal for a variety of applications including water conveyance, short-span bridges, tunnels, to name a few. Our box culverts are durable, resulting in long-term solutions that will deliver decades of high-quality service. Using precast concrete box culverts also allows for quick and easy installation. 

Applications

• Extension of existing box culvert

• Groundwater recharge systems

• Highway culverts

• Jacked or tunneled installations

• Livestock, pedestrian, or golf cart undercrossing

• Railroad culverts

• Short-span highway bridges

• Storm drains

• Replace existing open channels or ditches, enabling land to be used productively

• Underground stormwater retention systems

• Utility tunnels

Specifications

• AASHTO M259 — Precast Reinforced Concrete Box Sections for Culverts, Storm Drains and Sewers

• AASHTO M273 — Precast Reinforced Concrete Box Sections for Culverts, Storm Drains, and Sewers with Less Than Two Feet of Cover Subjected to Highway Loadings

• ASTM C1433 — Precast Reinforced Concrete Box Sections for Culverts, Storm Drains and Sewers

• ASTM C1577 — Precast Reinforced concrete Monolithic Box Sections for Culverts, Storm Drains, and Sewers Designed According to AASHTO LRFD

• State DOTs

3-Sided Culverts

Three-sided culverts have an incredibly long service life and can be used for many of the same applications as box culverts. Like our box culvert, our 3-sided culverts can support vehicular traffic and can typically be installed within a few hours, saving time and money. 

Box Bridges

Bridges are essential to the regional infrastructure. As populations continue to grow and transportation needs expand, the necessity for strong, durable bridges increases. Bridges constructed with precast concrete box culverts meet this need, and our products can be manufactured in a variety of configurations to accommodate almost any project. Additionally, precast box bridges can be installed quickly, allowing normal traffic flow to resume more quickly than other solutions.