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La Défense, Paris

ViaCon Precast Bridges

4-20 m

Span Range

35+

Years Expirience

CE

Certifiede Quality

Contact an engineer

    ConSpan® – Prefabricated Concrete Arch System

    Traditional bridge projects often face long road closures, weather delays, and complex on-site pours. With ConSpan®, ViaCon offers a smarter solution. Our prefabricated concrete arch units are produced in controlled factory conditions, ensuring consistent quality and fast installation. Instead of weeks of formwork, arches are simply lifted into place—keeping traffic moving and projects on schedule.

    The open-bottom design maintains natural streambeds and existing utilities, supporting ecological balance and reducing environmental impact. A wide range of modular profiles—with spans from 4 to 20 meters—means ConSpan® adapts seamlessly to diverse site conditions, whether for road crossings, railways, pedestrian paths, or wildlife passages.

    Key Applications of ConSpan®

    Road and motorway crossings
    Prefabricated arches that reduce road closures and construction time, ensuring uninterrupted traffic flow.
    Railway bridges and underpasses
    Strong enough to handle heavy rail loads while minimizing disruption during installation.
    Pedestrian and bicycle tunnels
    Safe and durable passages that improve connectivity and community access.
    Wildlife passages and ecological crossings
    Open-bottom arches that preserve natural streambeds and habitats, supporting biodiversity.
    Industrial and utility tunnels
    Robust solutions for moving goods or protecting critical utilities beneath infrastructure.

    Why Choose ConSpan®?

    Engineered for excellence, built for speed, designed for the future of infrastructure.

    High Quality & Consistency
    Produced in factory-controlled conditions with CE, EPD, and ISO certifications ensuring maximum reliability.
    Fast On-Site Assembly
    Minimal disruption with no scaffolding or formwork needed. Prefabrication reduces construction time significantly.
    Modular Flexibility
    Multiple cross-section and twin-leaf options compatible with prefabricated or monolithic wall systems.
    Heavy Load Capacity
    Suitable for all classes of road, rail, industrial, and even military applications with superior strength.
    Long Service Life
    Designed for durability under heavy traffic loads with engineered soil backfilling for sustainability.
    Complete Support
    End-to-end technical support from design consultation to on-site assembly and quality assurance.

    Technical overview

    ConSpan® combines precision engineering with practical construction efficiency. Each system is designed to meet European project requirements and national approvals, with project-specific verification for loading, hydraulics, and geotechnical conditions. Factory-made units arrive ready for rapid installation, ensuring predictable quality and minimal disruption.

    System components
    Precast RC arch units with precast head/wingwalls and, where applicable, precast footings; foundations via spread footings or piles as required.
    Design
    Engineered for European project requirements and national approvals. (Project-specific loading, hydraulics, and geotechnical conditions are verified during design.)
    Delivery & install
    Factory-made units lift in fast with standardised joints—often within a single possession window.
    Contact
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    4-20m

    Span Rage

    O-100 to O-1100

    Profile Series

    Twin Leaf

    Extra Width Options

    All Classes

    Load Capacity

    When is ConSpan® the right choice?

    Steel is our primary solution — sustainable, flexible, and cost-efficient. But for some projects, concrete arches are the smarter option:

    Preserving waterways and ecology with an open-bottom design
    Meeting specific aesthetic or architectural requirements
    Delivering durable solutions where authorities prefer concrete
    ViaCon offers both steel and concrete systems — ensuring you always get the right material for the right project.

    Powered by ViaCon Excellence

    ViaCon is a European leader in sustainable infrastructure solutions with over 35 years of expertise. Built on Nordic roots, we specialize in bridges & culverts, geotechnical systems, and stormwater management.

    35+ Years Experience
    Sustainable Solutions
    Sustainable Solutions
    Complete Support

    Quality Certifications

    CE Certified
    Environmental Product Declaration Verified
    ISO Standards

    Speak to an engineer

    Our experienced technical sales professionals are ready to help you find the perfect ViaPlate® solution for your infrastructure project.

    Anna Linder
    Anna Linder
    Technical Sales Representative Business Unit Bridges & Culverts

    anna.linder@viacon.se

    Anna Linder
    Anna Linder
    Technical Sales Representative Business Unit Bridges & Culverts

    anna.linder@viacon.se

    Anna Linder
    Anna Linder
    Technical Sales Representative Business Unit Bridges & Culverts

    anna.linder@viacon.se

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