Engineered Systems for Every Environment

From proprietary arches to custom precast structures, we design the systems that move the nation.

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ECO-SPAN® Arch Systems

The gold standard in buried bridge technology. ECO-SPAN® offers spans from 12' to over 80', designed for rapid installation and minimal environmental disruption. No in-water piers required.

View ECO-SPAN® Details

Precast Box Culverts

Our custom-designed box culverts provide durable, long-term drainage and passage solutions. We specialize in non-standard sizes and heavy-load requirements that standard “off-the-shelf” units can't handle.

See Culvert Options

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Specialty Underground Structures

From detention systems to custom utility vaults, our engineering team collaborates with manufacturers to design precast solutions for complex underground infrastructure.

Custom Designs for Unique Challenges

No two project sites are the same. Pretek Group excels at modifying our core systems to meet specific site constraints, whether it's an extreme skew, high fill requirements, or strict environmental limitations. We work as an extension of your team to ensure the solution fits the problem perfectly.

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Technical Proof

Our designs are trusted by state Departments of Transportation and local municipalities across the country for their durability, AASHTO compliance, and 100-year service life.

Find Your Project Solution

Need a custom design or a preliminary estimate? Launch our design tool or speak with a Pretek engineer.