Galvanized or Painting Modular Steel Bridge / Half Through Truss Bailey Bridge

MOQ： 1 Pcs
Price： USD 95-450
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Payment Terms	L/C,D/P,T/T
Supply Ability	60000ton/year
Delivery Time	8-10 work days
Packaging Details	Naked
Steel Type	Q355B
Name	Bailey Bridge
Application	Bailey Bridge
Type	steel bridge
Surface Treatment	Galvanized/Painting
Standard	AISI, ASTM, BS, GB
Lane	Single lane 4.2m，Double Lane 7.35m
Warranty:	Life Time
Brand Name	Zhonghai Bailey Bridge
Model Number	CB200/CB321
Certification	IS09001, CE
Place of Origin	China

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Product Details
Company Details

Product Specification


Payment Terms	L/C,D/P,T/T	Supply Ability	60000ton/year
Delivery Time	8-10 work days	Packaging Details	Naked
Steel Type	Q355B	Name	Bailey Bridge
Application	Bailey Bridge	Type	steel bridge
Surface Treatment	Galvanized/Painting	Standard	AISI, ASTM, BS, GB
Lane	Single lane 4.2m，Double Lane 7.35m	Warranty:	Life Time
Brand Name	Zhonghai Bailey Bridge	Model Number	CB200/CB321
Certification	IS09001, CE	Place of Origin	China
High Light	galvanized modular steel bridge ，painting half through truss bridge ，prefabricated bailey bridge with warranty

 The Truss Bailey Bridge: A Timeless Innovation in Temporary Connectivity 
Since its invention during World War II, the Truss Bailey Bridge has stood as a cornerstone of temporary infrastructure, celebrated for its ruggedness, adaptability, and rapid deployment capabilities. Conceived by British engineer Sir Donald Bailey in 1940, this modular truss bridge was designed to address the urgent need for portable, reliable crossings during military operations—specifically to replace bridges destroyed by enemy action and keep supply lines open. Over the decades, its utility has extended far beyond warfare, becoming a go-to solution for emergency response, construction projects, and rural infrastructure development worldwide.
At the heart of the Truss Bailey Bridge’s design is its modular truss framework, a structure composed of interlocking steel panels that form the bridge’s load-bearing skeleton. Each truss panel, typically measuring around 10 feet in length, features a lattice of steel members connected by bolts or pins. These panels are lightweight enough to be transported by trucks, aircraft, or even 人力 (manpower) in remote areas, yet strong enough to support heavy loads, including military vehicles, construction equipment, and civilian traffic. The bridge’s deck—usually made of wooden planks or steel plates—is laid across the truss framework, while support towers (known as “piers”) can be added to span longer distances, making it adaptable to various terrain, from rivers and valleys to damaged roadways.
One of the most notable advantages of the Truss Bailey Bridge is its speed of assembly. Unlike traditional bridges, which require specialized equipment and weeks of on-site work, a small team can erect a basic Bailey Bridge in a matter of days—sometimes even hours—using simple hand tools. This efficiency was critical during World War II, where Allied forces relied on the bridge to cross rivers in France, Italy, and other theaters of war, often under enemy fire. In modern times, this speed remains a lifeline during natural disasters: after earthquakes, floods, or hurricanes destroy permanent bridges, Truss Bailey Bridges are quickly deployed to restore access for emergency vehicles, deliver relief supplies, and reconnect isolated communities. For example, following the 2010 Haiti earthquake, Bailey Bridges were instrumental in reopening roads that had been cut off, enabling aid organizations to reach affected populations.
Beyond emergency response, the Truss Bailey Bridge plays a vital role in infrastructure development and construction projects. In remote or rural areas where building permanent bridges is costly or time-consuming, Bailey Bridges provide a temporary yet durable solution for connecting villages, farms, and small towns to main roads. They are also widely used in construction sites, where they serve as temporary crossings for workers and equipment, allowing projects to proceed without disrupting existing traffic. Additionally, their modular design allows for easy modification: panels can be added or removed to adjust the bridge’s length, and extra truss layers can be added to increase load capacity, making them suitable for everything from pedestrian crossings to heavy-duty truck routes.
Durability and reusability are other key strengths of the Truss Bailey Bridge. Made from high-grade steel, these bridges are designed to withstand harsh weather conditions, including heavy rain, strong winds, and extreme temperatures. Unlike temporary structures that are discarded after use, Bailey Bridge components can be disassembled, inspected, repaired if needed, and stored for future deployment. This reusability not only reduces construction waste but also lowers costs over time, as the same components can be used in multiple projects. In some cases, Truss Bailey Bridges have even been used as semi-permanent structures, remaining in place for years until a permanent bridge is built.
While modern modular bridges have evolved with new materials like aluminum and composite fibers, the Truss Bailey Bridge remains relevant due to its simplicity, reliability, and cost-effectiveness. Recent innovations have further enhanced its performance: some manufacturers now produce lightweight aluminum panels that reduce transportation costs and ease assembly, while digital modeling tools help engineers design and optimize Bailey Bridges for specific sites more efficiently. These improvements ensure that the Truss Bailey Bridge continues to meet the needs of modern infrastructure, whether in emergency situations, rural development, or construction projects.
In conclusion, the Truss Bailey Bridge is more than just a temporary structure—it is a testament to innovative engineering that has stood the test of time. From its origins in World War II to its modern-day applications, it has proven to be a versatile, reliable, and life-saving solution for connecting communities and keeping critical infrastructure running. As the world faces ongoing challenges like natural disasters and the need for affordable infrastructure, the Truss Bailey Bridge will undoubtedly remain an essential tool for ensuring connectivity when it matters most.

Specifications:

CB321(100) Truss Press Limited Table
No.	Lnternal Force	Structure Form
		Not Reinforced Model				Reinforced Model
		SS	DS	TS	DDR	SSR	DSR	TSR	DDR
321(100)	Standard Truss Moment(kN.m)	788.2	1576.4	2246.4	3265.4	1687.5	3375	4809.4	6750
321(100)	Standard Truss Shear (kN)	245.2	490.5	698.9	490.5	245.2	490.5	698.9	490.5
321 (100) Table of geometric characteristics of truss bridge(Half bridge)
Type No.	Geometric Characteristics	Structure Form
		Not Reinforced Model				Reinforced Model
		SS	DS	TS	DDR	SSR	DSR	TSR	DDR
321(100)	Section properties(cm3)	3578.5	7157.1	10735.6	14817.9	7699.1	15398.3	23097.4	30641.7
321(100)	Moment of inertia(cm4)	250497.2	500994.4	751491.6	2148588.8	577434.4	1154868.8	1732303.2	4596255.2

CB200 Truss Press Limited Table
NO.	Internal Force	Structure Form
		Not Reinforced Model				Reinforced Model
		SS	DS	TS	QS	SSR	DSR	TSR	QSR
200	Standard Truss Moment(kN.m)	1034.3	2027.2	2978.8	3930.3	2165.4	4244.2	6236.4	8228.6
200	Standard Truss Shear (kN)	222.1	435.3	639.6	843.9	222.1	435.3	639.6	843.9
201	High Bending Truss Moment(kN.m)	1593.2	3122.8	4585.5	6054.3	3335.8	6538.2	9607.1	12676.1
202	High Bending Truss Shear(kN)	348	696	1044	1392	348	696	1044	1392
203	Shear Force of Super High Shear Truss(kN)	509.8	999.2	1468.2	1937.2	509.8	999.2	1468.2	1937.2

CB200 Table of Geometric Characteristics of Truss Bridge(Half Bridge)
Structure	Geometric Characteristics
Structure	Geometric Characteristics	Chord Area(cm2)	Section Properties(cm3)	Moment of Inertia(cm4)
ss	SS	25.48	5437	580174
ss	SSR	50.96	10875	1160348
DS	DS	50.96	10875	1160348
	DSR1	76.44	16312	1740522
	DSR2	101.92	21750	2320696
TS	TS	76.44	16312	1740522
	TSR2	127.4	27185	2900870
	TSR3	152.88	32625	3481044
QS	QS	101.92	21750	2320696
	QSR3	178.36	38059	4061218
	QSR4	203.84	43500	4641392

Advantage

Possessing the features of simple structure,
convenient transport, speedy erection
easy disassembling,
heavy loading capacity,
great stability and long fatigue life
being capable of an alternative span, loading capacity

Company Details

Bronze Gleitlager

Bronze Sleeve Bushings

and

Graphite Plugged Bushings

from Quality China Factory



Business Type:

Manufacturer 


Year Established:

2014 


Total Annual:

20753202.90-27670940.00


Employee Number:

100~150 


Ecer Certification：

Verified Supplier 

Introduction to Jiangsu Zhonghai Bridge Equipment Co., Ltd. Jiangsu Zhonghai Bridge Equipment Co., Ltd., established in 2010, is a high-tech enterprise specializing in the research, development, manufacturing, and sales of bridge equipment. With a registered capital of 55 million yuan, the company ... Introduction to Jiangsu Zhonghai Bridge Equipment Co., Ltd. Jiangsu Zhonghai Bridge Equipment Co., Ltd., established in 2010, is a high-tech enterprise specializing in the research, development, manufacturing, and sales of bridge equipment. With a registered capital of 55 million yuan, the company ...

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