ICF(Insulated Concrete Form) Bracing
Modular Steel Box Girder Bridge System – Fast Installation, Easy Maintenance
The Modular Steel Box Girder Bridge System is a prefabricated high‑performance bridge solution featuring rapid installation and easy maintenance. Different from traditional cast‑in‑place construction, our solution adopts factory prefabricated segments to speed up site erection. Built with high‑strength structural steel and hot‑dip galvanized anti‑corrosion finish, it provides outstanding torsional rigidity, heavy load capacity and long service life with minimum upkeep. It fits permanent highway bridges, temporary access and emergency replacement projects, delivering speed, durability and cost‑efficiency for modern infrastructure.
Prefabricated Modules – Factory Quality, Site Speed
All bridge components are produced under controlled factory conditions including CNC plate cutting, automatic welding, anti‑corrosion coating and trial assembly, guaranteeing reliable weld quality and precise dimension. While superstructure modules are fabricated off‑site, foundation and substructure works can be carried out on‑site at the same time. This parallel working mode greatly shortens the whole project cycle. The closed box‑section structure brings excellent torsional rigidity and keeps good alignment during lifting and placement.
All bridge components are produced under controlled factory conditions including CNC plate cutting, automatic welding, anti‑corrosion coating and trial assembly, guaranteeing reliable weld quality and precise dimension. While superstructure modules are fabricated off‑site, foundation and substructure works can be carried out on‑site at the same time. This parallel working mode greatly shortens the whole project cycle. The closed box‑section structure brings excellent torsional rigidity and keeps good alignment during lifting and placement.
Fast Installation – Days, Not Months
Modular segments are transported to site and lifted by cranes or launching gantries. High‑strength bolted or field‑welded splices ensure solid structural connection. The whole bridge can be finished within days instead of months. For urban projects, overnight installation is available to cut road closure time and reduce disturbance to local traffic and logistics.
Modular segments are transported to site and lifted by cranes or launching gantries. High‑strength bolted or field‑welded splices ensure solid structural connection. The whole bridge can be finished within days instead of months. For urban projects, overnight installation is available to cut road closure time and reduce disturbance to local traffic and logistics.
Specification
| Parameter | Details |
|---|---|
| Structural Type | Single‑cell or multi‑cell steel box girder, straight or curved alignments |
| Span Length | 10‑100+ metres per span, customised for projects |
| Bridge Width | Up to 10 metres standard, custom widths acceptable |
| Steel Grades | Q345B, Q460C, equivalent to ASTM A572 Gr 50 / A709 Gr 50W |
| Surface Protection | Hot‑dip galvanized (80‑120 μm) or epoxy‑coated |
| Connection Method | Factory‑welded segments; bolted or welded field splices |
| Design Standards | AASHTO, ASTM, BS, GB, DIN, JIS, meets international codes |
| Load Capacity | HS20‑44 / HS25‑44 truck loading, custom capacity available |
| Seismic & Wind | Designed for Grade 8 seismic and Grade 12 wind resistance |
| Design Life | 50‑100+ years under proper maintenance |
| Certification | ISO 9001, SGS, CE, full material traceability |
Easy Maintenance – Built to Last
Hot‑dip galvanized coating provides reliable corrosion protection and lowers long‑term upkeep cost. Modular structure enables convenient inspection and partial module replacement without full‑structure shutdown. Modules can also be disassembled and reused for temporary projects.
Hot‑dip galvanized coating provides reliable corrosion protection and lowers long‑term upkeep cost. Modular structure enables convenient inspection and partial module replacement without full‑structure shutdown. Modules can also be disassembled and reused for temporary projects.
Structural Advantages – Why Steel Box Girders?
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• Exceptional torsional stiffness, ideal for curved and skewed alignments - • Favourable strength‑to‑weight ratio for heavy‑load conditions
- • Compact cross‑section for easy transport and urban clearance
- • Multi‑cell layout fits wide traffic lanes and utility conduits
- • High ductility for reliable seismic and wind performance
Applications
Highway bridges, motorway overpasses, railway viaducts, urban flyovers, industrial & mining access, temporary construction access, emergency bridge replacements, pedestrian & cycle bridges.
Highway bridges, motorway overpasses, railway viaducts, urban flyovers, industrial & mining access, temporary construction access, emergency bridge replacements, pedestrian & cycle bridges.
Why Choose Our Modular Steel Box Girder Bridge System?
Our modular bridge system combines factory prefabrication, fast on‑site erection, hot‑dip galvanized long‑term protection and full project customisation, delivering stable structural performance and favourable lifecycle value. Supported by experienced engineering team and international certifications, we provide reliable modular bridge solutions for global infrastructure projects.
Our modular bridge system combines factory prefabrication, fast on‑site erection, hot‑dip galvanized long‑term protection and full project customisation, delivering stable structural performance and favourable lifecycle value. Supported by experienced engineering team and international certifications, we provide reliable modular bridge solutions for global infrastructure projects.
Company Profile
Hangzhou FAMOUS Steel Engineering Co., Ltd. (FASECbuildings) from China, is a professional modular steel bridge manufacturer. Our products comply with AASHTO, ASTM, BS, GB international standards. We have exported steel box girder bridges worldwide, recognised for stable quality and responsive service.
Hangzhou FAMOUS Steel Engineering Co., Ltd. (FASECbuildings) from China, is a professional modular steel bridge manufacturer. Our products comply with AASHTO, ASTM, BS, GB international standards. We have exported steel box girder bridges worldwide, recognised for stable quality and responsive service.
Contact us today to provide your span, width, loading, steel grade preference and design standards. Our technical team will send you customised design proposal and competitive quotation within 24 hours.
