The Advantages and Applications of Galvanized Steel Bridges

Galvanized steel bridges have emerged as a reliable solution in modern infrastructure due to their exceptional durability and cost-effectiveness. The core advantage lies in the galvanization process, where steel components are coated with a layer of zinc through hot-dip galvanizing. This zinc coating acts as a powerful barrier against corrosion, a major threat to traditional steel structures exposed to harsh weather, moisture, and de-icing salts.

Unlike painted steel, which requires regular maintenance and repainting every few years, galvanized steel forms a self-healing protective layer. When small scratches occur, the zinc surrounding the damaged area reacts with oxygen and moisture to form a new protective film, preventing rust from spreading to the underlying steel. This feature significantly reduces long-term maintenance costs, making galvanized steel bridges ideal for remote locations or areas with limited access for upkeep.

In terms of structural performance, galvanized steel maintains high strength-to-weight ratios. This allows engineers to design lighter, more efficient bridge spans without compromising on load-bearing capacity. For example, many pedestrian bridges, rural highway overpasses, and temporary military bridges utilize galvanized steel due to its quick assembly and long service life—often exceeding 50 years with minimal maintenance.

Environmental sustainability is another key benefit. The galvanization process is highly efficient, with zinc coatings being 100% recyclable. Additionally, the extended lifespan of galvanized steel bridges reduces the need for frequent reconstruction, minimizing the consumption of raw materials and lowering carbon footprints over the structure’s life cycle.

As infrastructure demands grow worldwide, galvanized steel bridges continue to gain popularity. Their ability to combine durability, cost savings, and eco-friendliness makes them a smart choice for building resilient transportation networks that stand the test of time.

Basic Info.

Product Description

steel truss arch bridge/temporary steel bridge

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
	Geometric Characteristics	Chord Area(cm2)	Section Properties(cm3)	Moment of Inertia(cm4)
ss	SS	25.48	5437	580174
	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

Project cases



Company  instruction

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
 

Workshop



Welding Machine



Certificates




Warehousing and shipping




Packing and Transporting



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.