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.

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.

In the landscape of modular steel bridges, the CB200 Bailey Bridge stands as a modern evolution of a revolutionary concept—one that marries the historic ingenuity of the original Bailey bridge with enhanced performance for contemporary needs. Developed from the iconic design invented by Donald Bailey in 1938, this prefabricated steel structure has redefined rapid-deployment infrastructure, proving indispensable in emergency response, rural development, and temporary transportation networks worldwide. Its unique combination of strength, portability, and adaptability makes it a standout example of how steel bridge technology continues to address urgent connectivity challenges. At the core of the CB200’s appeal is its optimized structural design, engineered for both performance and practicality. Classified as a through-truss bridge with a lower-bearing configuration, it features main girders constructed from interlocking steel truss sections connected via single-pin joints—a design that simplifies assembly while ensuring structural integrity. This innovative connection system eliminates the need for complex welding or specialized tools on-site, a critical advantage in time-sensitive scenarios. The bridge boasts impressive specifications: it can span distances up to 30 meters and support loads of 55 tons, making it capable of accommodating heavy vehicles ranging from emergency trucks to construction equipment. Unlike rigid concrete structures, the CB200’s steel truss framework balances high tensile strength with a lightweight profile, reducing transportation costs and easing deployment in remote or hard-to-reach areas. Rapid deployability is the CB200’s defining strength, particularly in emergency contexts. Natural disasters such as floods, earthquakes, or landslides often destroy critical bridges, cutting off communities from aid and supplies. The CB200’s modular components are designed for quick disassembly and transport—they can be loaded onto trucks, helicopters, or even boats, then assembled by a small team in hours rather than days. In Xianyang, China, for instance, the ZB-200 (a variant of the CB200 design) is a key asset in flood response drills, enabling authorities to restore crossing capabilities over damaged waterways within a single operational window. This speed is not just convenient but life-saving: in post-disaster zones, every hour gained in reconnecting roads accelerates the delivery of food, medicine, and rescue personnel. Beyond emergencies, the CB200 excels in permanent and semi-permanent infrastructure projects, especially in rural or developing regions. Many remote communities lack access to durable transportation links, as building traditional bridges is often prohibitively expensive or logistically unfeasible. The CB200’s low construction threshold addresses this gap: its prefabricated steel components require minimal on-site preparation, and its corrosion-resistant steel framing ensures longevity even in harsh environments such as coastal areas or humid rural landscapes. In agricultural regions, it serves as a temporary crossing for harvest equipment during planting seasons; in mining areas, it provides a sturdy route for heavy machinery without the need for permanent concrete foundations. Its interchangeable parts further enhance cost-effectiveness—damaged sections can be replaced individually rather than requiring full bridge reconstruction. The CB200 also embodies sustainable principles in modular steel bridge design. Steel’s inherent recyclability means the bridge’s components can be reused across multiple projects or recycled at the end of their lifespan, reducing construction waste. Unlike temporary wooden structures that degrade quickly, the CB200’s steel framework has a service life of decades with basic maintenance, minimizing the need for frequent replacements. Its prefabrication process, conducted in controlled factory settings, reduces material waste by up to 25% compared to on-site construction, aligning with global efforts to lower infrastructure’s environmental footprint. For communities prioritizing both affordability and sustainability, the CB200 offers a circular solution that avoids the resource drain of disposable temporary bridges. While the CB200 inherits the original Bailey bridge’s legacy of adaptability, it addresses key limitations of earlier designs. The single-pin connection system improves structural rigidity compared to older bolted joints, while the upgraded steel alloy enhances load capacity without increasing weight. Modern anti-corrosion coatings further extend its lifespan in wet or saline environments, a challenge that plagued some vintage modular bridges. These refinements ensure the CB200 remains relevant in an era of heavier vehicles and more frequent extreme weather events. In conclusion, the CB200 Bailey Bridge represents the pinnacle of modular steel bridge engineering—rooted in historical innovation yet optimized for modern demands. Its structural efficiency, rapid deployability, and multi-scenario versatility make it an invaluable asset for emergency responders, infrastructure developers, and rural communities alike. As the world faces growing challenges from climate-related disasters and uneven development, the CB200 stands as proof of how steel’s unique properties can be harnessed to build connectivity that is both resilient and accessible. In emergencies and everyday life alike, it is more than a bridge—it is a lifeline forged in steel.

Bailey panels, named after their inventor Sir Donald Bailey, are modular steel components designed primarily for constructing temporary bridges and load-bearing structures. These panels have revolutionized the emergency response and construction industries due to their quick assembly, high load capacity, and adaptability to various terrains and project requirements. Structurally, Bailey panels consist of prefabricated steel frames with standardized connection points, such as pins and bolts. Each panel typically measures around 3 meters in length and 1.5 meters in width, though custom sizes are available for specific projects. The steel used is high-strength, often galvanized to resist corrosion, ensuring durability even in harsh environments such as flood zones or remote construction sites. The modular design allows engineers to combine multiple panels horizontally and vertically, creating bridges or platforms of varying lengths, widths, and load capacities—from small pedestrian crossings to heavy-duty structures capable of supporting trucks and construction machinery. One of the key advantages of Bailey panels is their rapid deployment. Unlike traditional bridge-building, which requires extensive on-site fabrication, Bailey panels can be transported to the site in pre-assembled units and installed within days, or even hours, by a small team. This makes them invaluable in emergency situations, such as after earthquakes, floods, or hurricanes, where damaged transportation networks need immediate restoration to deliver aid, medical supplies, and rescue teams. In construction projects, they serve as temporary access ramps, work platforms, or support structures for concrete pouring, reducing project timelines and costs. In addition to emergency and construction use, Bailey panels are also employed in military operations, where the rapid deployment of bridges is critical for troop and equipment movement. They are also used in temporary infrastructure for events such as concerts or sports tournaments, providing safe and sturdy platforms for stages, seating, or equipment storage. To ensure optimal performance and safety, regular maintenance of Bailey panels is essential. This includes inspecting connection points for wear or damage, checking for corrosion, and cleaning panels after use in dusty or wet environments. Proper storage, such as keeping panels in dry, covered areas, also extends their lifespan, allowing for repeated use across multiple projects. In summary, Bailey panels remain a vital tool in modern engineering, offering a perfect blend of efficiency, durability, and adaptability. Their ability to provide rapid, reliable, and cost-effective solutions in emergency and construction scenarios continues to make them a preferred choice for engineers worldwide.

Bridge construction platforms are indispensable core equipment in modern bridge engineering, with a wide range of application scenarios. They not only provide a solid and reliable operating base for underwater construction but also are suitable for large-scale projects such as river and sea crossings, effectively addressing the construction difficulties posed by various complex working conditions and laying a solid foundation for the safety and efficiency of bridge construction. In the construction of underwater bridge structures, bridge construction platforms play an irreplaceable role. They are widely used in the construction of pile foundations and pile caps for water bridges, which are key stages in bridge construction. Underwater environments are often complex and harsh, with factors such as water flow impact, water level changes, and uneven seabed or riverbed presenting great challenges to construction operations. Bridge construction platforms can be stably fixed on the water surface or underwater, forming a flat and firm operating base, which allows construction workers to carry out pile driving, drilling, concrete pouring and other operations safely and smoothly. This effectively avoids the risks caused by unstable operating surfaces and ensures the quality and progress of underwater construction. In addition to underwater construction, bridge construction platforms are also well suited to the high-altitude construction needs of large-scale projects such as river and sea crossings. With the continuous development of transportation infrastructure, river and sea crossings are becoming more and more common, and their construction places higher demands on safety and stability. The platform can be flexibly erected at high altitudes, providing a safe working space for box girder erection, formwork installation, steel bar fixing and other high-altitude operations. It can bear the weight of construction equipment, materials and construction personnel, effectively preventing safety accidents such as falls and collapses, and ensuring the smooth progress of high-altitude construction. In conclusion, bridge construction platforms have broad application prospects in bridge engineering. They can adapt to different construction environments and working conditions, providing solid and reliable support for both underwater and high-altitude construction, and effectively improving the safety, stability and efficiency of bridge construction. As an important enabler of modern bridge construction, they will play an even more important role in the construction of more complex and large-scale bridge projects in the future.

The Bailey bridge stands as one of the most innovative and impactful engineering designs of the 20th century, renowned for its exceptional portability, rapid assembly, and remarkable load-bearing capacity. Conceived by Sir Donald Bailey, a British civil engineer, during World War II, this modular bridge was developed to address the urgent need for temporary yet sturdy crossing structures that could be quickly deployed across battlefields. What sets the Bailey bridge apart is its modular design. Composed of standardized steel panels—along with transoms, stringers, and supporting frames and connectors—the bridge can be assembled without specialized heavy equipment. A small team of workers, often with minimal training, can construct a basic Bailey bridge spanning 30 meters in just a few hours—a feat that revolutionized military logistics by enabling troops and supplies to cross rivers, gaps, or damaged infrastructure swiftly. Beyond its military origins, the Bailey bridge has proven invaluable in civilian contexts. In the aftermath of natural disasters like earthquakes, floods, or hurricanes, when permanent bridges are destroyed, Bailey bridges serve as critical lifelines. They restore access to isolated communities, allowing emergency services, food, and medical aid to reach those in need. For example, after the 2010 Haiti earthquake, Bailey bridges were deployed to reconnect shattered transportation networks, playing a pivotal role in relief efforts. The bridge's adaptability is another key strength. It can be extended by adding more modules, allowing it to span distances of over 200 meters when supported by piers. Additionally, it can be modified to carry different loads, from light vehicles to heavy trucks, making it suitable for both rural areas with limited traffic and temporary construction sites requiring heavy equipment movement. Today, while modern engineering has introduced new bridge technologies, the Bailey bridge remains relevant. Its simplicity, reliability, and cost-effectiveness ensure it is still used in remote regions, disaster zones, and military operations worldwide. It stands as a testament to how innovative design, focused on practicality and speed, can create a solution that transcends its original purpose and continues to serve humanity decades on.

The Bailey prefabricated steel bridge is a modular, truss-type structure designed for rapid construction and heavy load capacity. Invented by British engineer Sir Donald Bailey in the early 1940s, it was first used by Allied forces during World War II to quickly replace bridges destroyed in combat. Today, it remains widely used in military, emergency, and civil engineering projects around the world. Structure and Components The bridge’s strength comes from standardized, interchangeable steel panels that are bolted together to form trusses. Its main components include: 1. Panels: Rectangular steel trusses that form the main load-bearing framework. 2. Transoms: Horizontal beams that connect the panels and support the deck. 3. Stringers: Longitudinal beams placed on the transoms to carry the decking. 4. Decking: The roadway, made of timber, steel grating, or composite materials. 5. Bracing and End Frames: Diagonal and horizontal members that provide rigidity, along with end frames that transfer loads to the abutments. By arranging panels side-by-side, in multiple layers, or in longer bays, engineers can create bridges of various lengths and load capacities from the same set of components.