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Jiangsu Zhonghai Bridge Equipment Co., Ltd.

CB 200 Bailey Bridge Custom

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CB 200 Bailey Bridge Supplier

The CB 200 Bailey Bridge is designed with "efficient adaptation + performance upgrade" as its core competitive advantage. The modular units can be flexibly combined, allowing for the quick construction of spans ranging from 21 to 60 meters, meeting the demands of emergency traffic restoration, water conservancy construction, infrastructure repairs, and other scenarios. Compared to traditional models, material waste is reduced, construction time is shortened, and it supports customization according to national standards (GB), American standards (ANSI), and European standards (EN). The structure is stable and durable, can be repeatedly disassembled and reused, and is suitable for both temporary passage and semi-permanent use, offering a far superior cost-performance ratio compared to similar products.

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Jiangsu Zhonghai Bridge Equipment Co., Ltd.

Jiangsu Zhonghai Bridge Equipment Co., Ltd. ZHONGHAI BRIDGES

Jiangsu Zhonghai Bridge Equipment Co., Ltd. is a professional manufacturer specializing in Bailey bridges, modular steel bridges, and bridge construction equipment. Located in Jiangsu Province, our facility benefits from convenient regional logistics, ensuring fast and reliable global delivery.

As China OEM CB 200 Bailey Bridge Supplier and CB 200 Bailey Bridge Factory, Zhonghai Bridge Equipment Co., Ltd. with an annual production capacity exceeding 60,000 tons, advanced automatic welding robots, and a full set of NDT welding inspections, we operate under a rigid quality management system certified by ISO9001. All exported steel materials comply with SGS, ASTM, and EN standards, ensuring consistency and durability in demanding engineering environments.
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Modular panel bridging solves a specific engineering problem: moving heavy traffic across rivers, gorges, or damaged infrastructure without months of formwork or falsework. The CB 200 Bailey Bridge sits at the upper end of the compact panel bridge family, built around a taller truss section that raises both span reach and load rating compared with earlier compact designs. Its scope runs from single-lane rural crossings to reinforced double-lane highway bridges, and because the components are bolted and pinned rather than cast or welded on site, a crew can restore river access in days rather than months. Understanding how the system is engineered, rated, and produced helps procurement teams match the right configuration to a project instead of over-ordering steel.

Structural Design Behind the CB 200 Panel

The defining change from the earlier compact-100 series is truss height. Panel height was raised from 1.448 meters to 2.134 meters, which increases the moment capacity of each panel and is what allows the CB 200 system to carry two-lane traffic rather than a single light lane. The panel itself keeps the familiar hole-center spacing of 3.048 by 2.134 meters, so components remain interchangeable within the same family of trusses, transoms, and end posts.

Two design details matter more than they first appear. Reinforced chord joints and panel joints are arranged in a staggered pattern along the truss, which reduces the inelastic deformation that would otherwise build up around pinhole gaps under repeated loading. Erection also follows a pre-arch method, camber built in ahead of time so that mid-span and vertical deflection under live load settle back toward a level deck rather than a permanent sag.

1.448 m 2.134 m Compact-100 CB 200 Truss Height by Panel Series

Where the design emphasis sits

Relative to a lighter panel bridge, the CB 200 truss puts more of its engineering weight into deflection control and joint precision than into raw material bulk, which keeps the system easy to transport while still handling highway load classes.

Deflection Control Lateral Stability Load Distribution Joint Precision

Span, Deck Width, and Row Configuration Planning

Choosing between a single-lane and double-lane build changes almost every other number in the specification. A standard single-lane deck runs 3.15 meters wide with an extra-wide single-lane option at 4.2 meters, while a double-lane CB 200 Bailey Bridge opens the deck to 7.35 meters. Span capability moves in the opposite direction as width increases: a single-lane build can reach up to 60.96 meters, while a double-lane configuration is typically rated to 45.72 meters before additional piers or reinforced chords are needed.

Typical CB 200 configuration reference for planning purposes
Configuration Deck Width Max Span
Single lane, standard 3.15 m 60.96 m
Single lane, extra-wide 4.2 m 60.96 m
Double lane 7.35 m 45.72 m
Max Span by Configuration Single lane 60.96 m Extra-wide 60.96 m Double lane 45.72 m

Row count is the third lever. The truss can be assembled as a single row for light-to-medium loads or built out to two, three, or four rows where longer spans or heavier vehicles are expected, with reinforced chords available in light or heavy grades depending on the target load class.

  • Single-row trusses suit shorter spans and lighter access roads
  • Double or triple-row builds extend span while keeping deflection in check
  • Four-row assemblies are reserved for the longest spans or heaviest design loads

Manufacturing Quality Behind Every Panel

Jiangsu Zhonghai Bridge Equipment Co., Ltd. produces its CB 200 components from a facility in Jiangsu Province, a location chosen in part for the regional logistics network that keeps delivery times predictable for both domestic and export orders. Panel bridges are only as dependable as their weakest weld or chord, so the quality process is built to catch problems before a panel ever reaches a jobsite.

That process runs on a closed-loop basis: raw steel is checked on arrival, welds and structural joints are validated during assembly, and finished trusses go through a final inspection before packing. The goal is straightforward, panels that hold up under extreme climatic swings, shifting hydrological conditions at river crossings, and repeated heavy load cycles over years of service, not just on the day they leave the factory.

For buyers sourcing infrastructure-grade steel, this kind of raw-material-to-final-assembly traceability matters more than a spec sheet alone. It means each panel can be traced back through its production history if a project engineer needs to confirm exactly what went into a specific batch.

Matching Deployment to Site Conditions

Where a CB 200 system goes to work shapes how it should be specified. Disaster-relief and emergency road repair crews typically prioritize fast single-row erection to restore access quickly. Mining and forestry access roads often call for reinforced chords able to handle repeated heavy-truck cycling. Rural highway crossings tend to sit in the middle, balancing span length against deck width for two-way traffic. Construction sites also use the same panel system as temporary trestle bridges or formwork support platforms, taking advantage of the fact that the same components can be reconfigured project to project instead of being scrapped.

  1. Confirm abutment bearing capacity before selecting span and row count
  2. Account for river flow variation and scour risk at wet-season crossings
  3. Size sway bracing to local wind exposure rather than a default setting
  4. Plan reinforced chord grade around actual vehicle load, not just deck width

Because the panels are pinned rather than welded on site, reconfiguring a bridge for a new span or load class later usually means adding or swapping components rather than starting over, which is part of why compact panel systems remain a practical choice for organizations managing several sites over time.

Frequently Asked Questions

What separates the CB 200 from earlier compact panel bridges?

The main difference is truss height, raised to 2.134 meters from 1.448 meters, which increases load-carrying capacity and makes double-lane configurations possible.

Can a CB 200 Bailey Bridge carry two-way highway traffic?

Yes. Built out to a 7.35-meter deck width, the system supports double-lane traffic, though span capacity drops from around 60.96 meters to roughly 45.72 meters compared with a single-lane build.

How many truss rows does a typical bridge need?

It depends on span and load. Lighter, shorter crossings often work with a single row, while longer spans or heavier design loads move up to two, three, or four rows.

How is the steel protected against corrosion?

Panels are typically finished with either hot-dip galvanizing for long-term outdoor exposure or an epoxy zinc-rich coating where a lighter, repaintable finish is preferred.

How quickly can the bridge be erected?

Because components are bolted and pinned rather than cast in place, erection is measured in days for most single-lane spans, which is the main reason panel bridges get used for emergency and temporary access work.

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