Maximizing Life-Cycle Asset Value & Resilience: Long-Lasting Steel Box Girder...
- Standards: AASHTO LRFD (American Association of State Highway and Transportation Officials Load and Resistance Factor Design), EN 1993-2 (Eurocode 3 Part 2 – Design of Steel Structures for Bridges), AS 5100 (Standards Australia Bridge Design Code Series), ASTM A709
- Materials: ASTM A709 Gr.50/Gr.70, S355JR/S460, Q355B (GB/T 1591 Low Alloy High Strength Structural Steel)
- Design: Custom single/double box girder, integral/segmental prefabrication, anti-corrosion integrated design
- Dimensions: Span 10–80m, width 3.5–12m (customizable)
- Features: High rigidity, low maintenance, fast erection, suitable for heavy load
- Applications: Highways, urban roads, bridges, overpasses, industrial passages
- Services: Custom design, quality inspection, ocean packaging, global logistics & technical guidance
Steel Bridge Piling per AASHTO LRFD and AS 2159 Piling Design Standards
Product Positioning:We offer high-load, impact-resistant steel pile products specifically designed for deep bridge foundations and hydraulic cofferdam applications. Our range includes H-shaped steel piles, steel pipe piles, and composite piles, suitable for both permanent and temporary support structures.
Core Advantages:Featuring high flexural stiffness and excellent hammering toughness, our piles allow in-situ splicing to meet extra-long design pile length requirements. They also provide significant benefits such as fast construction speed, low soil displacement, and recyclability.
Global Compliance:Strictly compliant with major piling design, material, and construction standards including European standards (EN 10248/EN 1997), American standards (ASTM A572/A690 and AASHTO LRFD), and Australian standards (AS 2159 and AS 5100), adapting to local survey conditions and regulatory requirements.
Service Assurance:We provide full-process technical support from geotechnical parameter verification, pile type optimization, finite element analysis, to on-site pile monitoring and high-strain testing, and assist with local certification and project completion documentation archiving.
Steel Footbridge Fabrication per AWS D1.5 and Eurocode Design Standards
Product Positioning:Focused on small- to medium-span steel pedestrian bridges for urban greenways, park scenic areas, school campuses, and cross-river pedestrian networks, combining aesthetics and functionality while offering standardized and customized solutions.
Core Advantages:Lightweight structural design combined with factory prefabrication enables rapid on-site installation, greatly shortening construction periods while minimizing disruption to surrounding traffic and environment.
Global Compliance:Fully compliant with Eurocodes, American standards (AWS D1.5 Bridge Welding Code and AASHTO pedestrian load requirements), and Australian standards (AS 5100 and AS 1554 welding standards), ensuring eligibility for global projects.
Service Assurance:Provides full-cycle technical support from conceptual design, structural calculations, and welding procedure qualification to on-site installation guidance, and can assist with export certification and local compliance documentation preparation.
Modular Steel Bridge Design and Construction Compliant with AASHTO and Austra...
Product Positioning:Focused on quickly deployable, reusable small- and medium-span emergency and permanent steel bridges, suitable for infrastructure, military engineering, and post-disaster reconstruction scenarios.
Core Advantages:Standardized component design, factory prefabrication, on-site assembly, significantly shortening construction time while reducing full lifecycle maintenance costs.
Global Compliance:Strictly meets mainstream international bridge design standards such as European (EN), American (AASHTO), and Australian (AS 5100), ensuring global project access.
Service Guarantee:Provides full-process technical support from structural selection, finite element verification to installation guidance, along with export certification and on-site commissioning services.
Pedestrian Link Bridge – Prefabricated Steel Footbridge for Urban Connectivity
Our Pedestrian Link Bridge is a prefabricated steel footbridge engineered for safe, durable and efficient pedestrian connectivity across roads, railways, waterways and urban spaces. Designed for high foot traffic loads (up to 5 kN/m²) with lightweight modular construction, it combines structural stability with corrosion-resistant hot-dip galvanized finish. Compliant with AASHTO (US), EN 1991-2 (EU) and AS 5100 (AU) standards, this low-maintenance solution offers customizable spans (6m–40m) and rapid on-site installation. Ideal for city centers, campuses, transit hubs and commercial developments, it comes CE marked and ISO 9001 certified for global reliability.
Minimizing Schedule Duration & Traffic Disruption: The High-Efficiency Modula...
- Code Compliance: In accordance with AASHTO LRFD (American Association of State Highway and Transportation Officials Load and Resistance Factor Design), EN 1993 Eurocode 3 (Design of Steel Structures for Bridges), BS 5400 (British Standard for Steel, Concrete and Composite Bridges) and AS 5100 (Standards Australia Bridge Design Code Series) global bridge specifications
- Module Types: Bailey truss, beam-type and integrated composite modular bridge designs
- Size Specifications: 9–60m adjustable span, 3.0–7.5m customizable deck width
- Construction Highlights: Factory prefabrication, bolt assembly, no on-site welding, rapid erection and reusable structure
- Steel Materials: ASTM A709 Gr.50, S355, Q355B (GB/T 1591 Low Alloy High Strength Structural Steel), optional weathering steel
- Application Fields: Emergency engineering, traffic detours, mining access, river crossings and rural infrastructure
- Full Support Services: Custom design, quality inspection, ocean packaging, global logistics and erection guidance
Sleek Modern Minimalist Design | Exquisite Steel Footbridge for Diverse Settings
- Global Standards: Compliant with AASHTO LRFD, EN 1993-2, BS 5400 and AS 5100 international bridge codes
- Span Range: 10–80m customizable, short-span 10–30m, medium-long span 30–80m
- Structural Types: Steel beam, steel truss, steel box girder, tied arch and modular prefabricated structures
- Performance: Anti-resonance design, high strength-weight ratio, low foundation load requirement
- Materials: ASTM A709 Gr.50, Q355B, Q420qD and optional Q345qNH weathering steel
- Applications: Urban crossings, landscape walkways, industrial passages and temporary emergency projects
- Services & Packaging: Full turnkey service, professional anti-corrosion packaging and global logistics support
Steel Bridge Deck Forms – High-Strength Reusable Formwork for Bridge Deck Con...
Our Steel Bridge Deck Forms are precision-engineered modular formwork systems designed for efficient, high-quality concrete pouring in bridge deck construction. Built from high-grade structural steel, these forms combine exceptional rigidity, dimensional accuracy, and corrosion resistance to deliver smooth, defect-free concrete finishes. Compliant with AASHTO (US), EN 1992 (EU), and GB 50010 (CN) standards, they offer customizable panel sizes, rapid assembly, and long-term reusability, making them ideal for highway bridges, railway viaducts, municipal overpasses, and bridge widening projects. CE marked and ISO 9001 certified, these forms ensure reliable performance in demanding construction environments worldwide.
Seiko Build Bridges · Forging a Long Journey——Professional Integrated Solutio...
We provide integrated R & D, production and construction services for steel structure bridges. With the advantages of high strength, high efficiency and high environmental protection, we adapt to the needs of multi-scenario transportation infrastructure, build a solid foundation for traffic with quality, and connect a better future with professionalism.
Resilient Steel Pedestrian Link Bridge | All-Weather Strength & Safe Passage
- Product Definition: Steel skywalk for exclusive pedestrian passage, building connection and pedestrian-vehicle separation.
- Structural Options: Beam, truss, box girder, tied arch and modular types for diversified span applications.
- Global Compliance: Designed per AASHTO LRFD, Eurocode 3, AS5100, ASTM, AWS and AISI international standards.
- Complete Configurations: Anti-slip deck, multi-style guardrails and long-life hot-dip galvanized anti-corrosion.
- Core Benefits: Prefabricated fast construction, anti-resonance, 100-year service life and full customization.
- Wide Applications: Urban, industrial, landscape, transportation and temporary emergency projects.
Standard-Compliant Composite Deck Panel for Road Bridge Structural Systems
Heavy-Duty Prefabricated Bridge Deck Slabs for Highway Vehicular Infrastructure
- Certified Raw Materials: ASTM A709 structural steel, high-strength reinforced concrete and UHPC composite materials
- Standard Design Loading: Fully compliant with AASHTO LRFD HL-93 highway vehicular load criteria
- Flexible Structural Customization: Modular panel dimensions, thickness optimization and tailored structural configuration
- Extended Durability Design: 50+ years service life with superior anti-fatigue, weather resistance and structural stability
Steel Plate Girder Bridge – High-Strength, Durable Beam System for Highway & ...
Our Steel Plate Girder Bridge is a high-strength, welded steel beam system engineered for reliable load distribution in highway, railway, and industrial infrastructure construction. Built from precision-cut steel plates (flange + web) with full penetration welding, it delivers exceptional structural stability while supporting heavy traffic loads.
The robust I-girder design allows seamless integration of deck slabs, expansion joints, and utility conduits, reducing on-site construction time and costs while maintaining long-term structural integrity.

ICF(Insulated Concrete Form) Bracing