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ASTM A588 Corten Steel Modular Truss Bridge – Prefabricated Overpass Structure
| Place of Origin | China |
|---|---|
| Brand Name | FASEC |
| Certification | ISO 9001; CE (EN 1090); AWS D1.5 Compliant; AASHTO LRFD Compliant; EN 10204 3.1 MTCs |
| Model Number | Steel Truss Bridge |
| Minimum Order Quantity | 100 MT |
| Price | USD 1,000-1,500/MT |
| Packaging Details | Sea Freight (Container/Bulk Vessel) |
| Delivery Time | 30-60 Days |
| Payment Terms | L/C, D/A, D/P, T/T |
| Supply Ability | 5,000-15,000 MT/Year |
Product Details
| Product Name | ASTM A588 Modular Truss Overpass | Main Material | ASTM A588 Gr.A / Gr.B Weathering Steel |
|---|---|---|---|
| Truss Configuration | Warren, Pratt, Howe, Through Truss, Deck Truss | Connection | ASTM F3125 Gr.A325 Type 3 Weathering Bolts |
| Surface Treatment | Bare Natural Patina (above Deck) / Zoned Coating For Splash Zones | Quality Control | 100% Factory Trial Assembly, NDT (UT/RT/MT) |
| Applications | Highway & Pedestrian Overpasses, Industrial/Port Access, Temporary Bridges | Customization | Customized To Customer Requirements |
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| NDT Inspection |
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Product Description
This fully prefabricated modular truss overpass is shop-fabricated from ASTM A588 weathering steel and shipped as bolted modules. Every structure is trial-assembled in our workshop, match-marked, and delivered ready to bolt—no site welding, no drilling, and no fitting-up required.
The Corten surface naturally develops a stable protective patina, providing decades of reliable service with virtually no maintenance. Whether for a permanent road crossing or a relocatable industrial structure, this overpass delivers rapid on-site deployment.
Technical Specifications
| Parameter | Specification / Options |
|---|---|
| Steel Grade | ASTM A588 Gr.A / Gr.B Weathering Steel (A572 Gr.50 & Q355NH available) |
| Design Load | AASHTO HS20-44 / HS25 / HL-93, or custom vehicle/pedestrian loads |
| Connection Method | High-Strength Friction-Grip Bolted (ASTM A325 / A490) |
| Design Standards | AASHTO LRFD, AWS D1.5, EN 1090 up to EXC3 |
| Geometry | Fully custom: span, deck width, clearance height, and truss depth engineered to your survey |
| Surface Finish | Uncoated Weathering Patina / Hot-Dip Galvanized / ISO 12944 Paint |
| Deck Options | Steel plate, reinforced concrete, timber, or open anti-slip grating |
Modular System & Overpass Configuration
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Transportable Modules: The truss is divided into modules sized for standard containers or flat-rack loading.
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Interchangeable & Extendable: Repeatable modules allow for phased construction, future extension, or dismantling for temporary use.
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Seamless Fit: Bolted splice joints with match-drilled holes guarantee field fit without reaming.
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Support Options: Steel portal towers, concrete piers, or abutments to client design.
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Integration: Coordinates smoothly with approach ramps, stairs, lifts, or conveyor/pipeline crossings.
Engineering, Fabrication & Quality Control
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Custom Design: In-house calculation and 3D modeling. Truss forms include Pratt, Warren, modified Warren, or custom geometry.
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Fatigue & Dynamic Checks: Verified for deflection, camber, and dynamic response to the specified traffic class.
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Precision Fabrication: CNC cutting, automatic submerged-arc welding, straightening, and shot blasting to Sa2.5.
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Strict NDT: Weld inspection by UT and MT, with heat numbers traceable to mill certificates.
Trial Assembly & Site Erection
Our core quality guarantee before shipment:
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Shop trial assembly of the full truss or matched module groups on level beds.
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Verification of camber, overall geometry, splice fit, and bolt-hole alignment.
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Matched marking of each member with the erection sequence.
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Disassembly, protection of contact surfaces, and sequence-based packing.
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Erection manual supplied, with remote video support available during installation.
Surface & Finish Options
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Uncoated Weathering Steel: Natural patina, lowest lifecycle cost in most atmospheres.
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Hot-Dip Galvanizing: To ASTM A123 / ISO 1461 for coastal or aggressive environments.
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Paint Systems: To ISO 12944 C3–C5 in two or three coats.
Deck & Accessories
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Decks: Steel plate, reinforced concrete, timber deck, or open grating.
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Safety & Infrastructure: Guardrails, parapets, handrails, kerbs, anti-throw screens, expansion joints, drainage, bearing assemblies, and lighting brackets.
Applications
Road and highway overpasses, pedestrian and cycle overpasses, rail and metro crossings, industrial plant and conveyor crossings, port and logistics park crossings, temporary and emergency overpasses, and urban landscape structures.
Delivery, Logistics & Documentation
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Logistics: Bundled and steel-frame crated, connections tagged by assembly sequence. Container or break-bulk loading plans prepared.
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Lead Time: Generally 30–45 days after drawing approval.
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Trade Terms: FOB, CIF, CFR, and DAP terms available.
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Documentation: Mill test certificates, WPS and welder qualifications, inspection and trial assembly reports, NDT records, packing list, and erection drawings.
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After-Sales: Installation supervision or on-site technical guidance available on request. Spare bolts, bearings, and wearing parts shipped with goods.
About Our Company
Hangzhou FAMOUS Steel Engineering Co., Ltd. is an integrated structural steel manufacturer and global exporter based in Hangzhou, Zhejiang, China.
We provide one-stop services from design and detailing to fabrication, surface treatment, and export delivery. Certified to ISO 9001 and CE (EN 1090), our in-house capabilities ensure every modular bridge leaves our shop with the exact tolerances required for seamless site assembly.
🌐 Websites: www.famoussteel.com | www.steelfabricat.com | www.structural-steelbuilding.com
📩 Start Your Overpass Project
Send us the required span, deck width, clearance height, design load, support conditions, and reference drawings. Our engineering team will return a preliminary design, 3D sketch, and quotation within 5 working days.
Contact us today for a tailored, cost-effective prefabricated steel solution.
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