Large Bailey Bridges

Versatile Prefabricated Steel Truss Bridge for Quick Installations

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  • CB100

Versatile Prefabricated Steel Truss Bridge: Redefining Quick Installations


In infrastructure projects where time is critical—from emergency disaster relief to urban road expansions—versatile prefabricated steel truss bridges stand out as a transformative solution. Their unique blend of modular design, adaptability to diverse terrains, and rapid assembly capability addresses the urgent need for functional crossings, minimizing disruptions to transportation and daily life.


The key to their quick installation lies in modular prefabrication. Every component—from truss beams to connection fittings—is precision-manufactured in factories, pre-assembled into standardized modules, and transported to sites ready for assembly. Unlike traditional bridges that require on-site casting or cutting, these modules use bolted or pinned connections, eliminating the need for complex on-site welding. For instance, a 30-meter span bridge can be assembled by a small team in just 3–5 days, a fraction of the 4–6 weeks needed for conventional concrete bridges. This efficiency is amplified by lightweight yet durable steel, which reduces reliance on heavy construction equipment, making installation feasible even in remote or hard-to-access areas.


Versatility further enhances their appeal. These bridges adapt to varied use cases: they serve as temporary crossings for disaster-hit regions (e.g., replacing flood-damaged bridges), permanent solutions for rural highways, pedestrian walkways in urban areas, or even temporary access routes for construction sites. Their design accommodates different load requirements—from light vehicles to medium-duty trucks—and can be customized for spans ranging from 10 meters to over 100 meters. Additionally, they withstand diverse environmental conditions, from freezing northern climates to humid tropical regions, thanks to weather-resistant coatings.


Real-world applications highlight their impact. After 2023’s Turkey-Syria earthquakes, prefabricated steel truss bridges were deployed within a week to restore access to isolated villages, enabling the delivery of aid. In urban India, they’ve been used to bypass road construction zones, cutting commuter delays by 40%. Their reusability adds another layer of value: modules can be disassembled, transported, and reinstalled at new sites, reducing waste and lowering long-term costs.


For projects demanding speed, flexibility, and reliability, versatile prefabricated steel truss bridges set a new standard, proving that efficient installation never needs to come at the cost of functionality.



Basic Info.

Model NO.
CB321
Certification
GB, ASTM
Life
Semi-Permanent Bridge
Across Way
Diffuse Water Bridge
Lane Position
Half Through Bridge
Usage
Over Water Bridge, Tractor Bridge, Pontoon, Footbridge, Public Iron Dual Purpose Bridge, Highway Bridge
Scale
Middle Bridge
Stress Characteristics
Beam Bridge
Material
Steel Bridge
Product Capability
60000 Pieces Per Year
Standard
ASTM,GB,BS,BV
Packing
Packing in Containers or Bulk
Dimensions
Standard or Customized
Qualification
ISO or Similar
Grade
Q355b
Transport Package
Naked
Specification
45m
Trademark
Zhonghai
Origin
China
HS Code
730810000
Production Capacity
50000 Pieces/Year

Packaging & Delivery

Package Size
305.00cm * 160.00cm * 180.00cm
Package Gross Weight
2650.000kg

Requested Emergency Truss Bridge Standard
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






Company  instruction
Durable Standard Truss Bridge for Emergency Response Solutions
Jiangsu Zhonghai Bridge Equipment Co., Ltd.(code 652268)
Brief instruction:
Location: No. 83, Dantu New City Section, Speech Highway, Dantu District, Zhenjiang, Jiangsu, China
registered capital:55 million yuan
production capacity:60000 tons/year 
Standard:
GB, ASTM, DIN, JIS, AISI, BS, SGS, BV
Dimensions: standard / customized  
Length : from 9.144m to 60.96m ( / customized )

Material: Steel
Steel Grade:  Q355B/Q460C or Equivalent
Application temporary bridge, platform, gantry frame, headframe ,the construction of the tower, float bridge and so on
Transport Package: Packing in Containers or Bulk
Advantage:Proven Robotic Welding,good welding quality and precise size
 






Certificates
Durable Standard Truss Bridge for Emergency Response Solutions
Durable Standard Truss Bridge for Emergency Response Solutions
Durable Standard Truss Bridge for Emergency Response Solutions
Durable Standard Truss Bridge for Emergency Response Solutions
Durable Standard Truss Bridge for Emergency Response Solutions
Durable Standard Truss Bridge for Emergency Response Solutions






Factory show
Durable Standard Truss Bridge for Emergency Response Solutions
Durable Standard Truss Bridge for Emergency Response Solutions
Durable Standard Truss Bridge for Emergency Response Solutions






Packing and Transporting
Durable Standard Truss Bridge for Emergency Response Solutions Durable Standard Truss Bridge for Emergency Response Solutions





FAQ

01.Which countries do you export to?

     Our company's products have been exported to dozens of countries and regions. Including:, Malaysia, PhilippinesNepal,Canada, Russia, Mozambique, Cambodia, Laos, Vietnam, Myanmar., Papua New Guinea, Solomon lslands,Kenya, Tanzania,Zambia, Congo,Tajikistan, Georgia, etc.


02.Are you a factory or a trade company ?
     
We are an industry and trade company.With a strong background of a registered capital of up to 55 million yuan,the company has a production capacity of over 60000 tons per year. In the East China region, we have successfullypositioned ourselves as a professional manufacturing giant for large Bailey pieces and prefabricated highwaysteel bridges.The company has its own import and export rights, with 20 years of export business experience.


03.Do you accept custom processing?
    
  Yes, our company has an efficient and flexible technical team, we can process custom-made a variety ofnon-standard Bailey bridge, steel bridge, steel structure.


04.Can your company meet American standards?
         Yes, our products not only meet the AASHT0 American standard, but also meet the British BS5400, AustraliaAS5100 and other international standards.


05.Which airport is the nearest to your company?
Can l visit your company anytime?
     
The nearest airport is Shanghai Pudong lnternational Airport. You can visit our company anytime, our companywill issue an invitation letter and arrange to pick you up according to your needs. Your transportation andaccommodation during your visit to our company will be arranged by our company.  


06.Could you send me some hard copies of your catalogues?
        Sure. Please send us your address and contact information and we will send it to you by international express assoon as possible. 


07.Can we be your agent or distributor?
     
Our company is recruiting powerful partners all over the world for common development and win-win . Lookforward to long-term cooperation with you!



08.How soon can l receive your reply after l send you my inquiry?
       We will give professional and technical feedback within 6 hours after receiving your inquiry . After communicatethe technical parameters,we will provide quotation and preliminary design within 24 hours.


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Specializing in the Production of Bailey Bridges and Steel Bridges. 

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CONTACT US

 Add: No. 83, Dantu New City Section, Speech Highway, Dantu District, Zhenjiang, Jiangsu, China 
 Phone: +86- 13852900200
 Phone: +86- 13655282755
 Tel: +86-0511-84522866 
 Email: zhwm@zjql.com
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