Highway Steel Bridge

Product Overview

The Highway Steel Bridge is a high-performance bridge system designed for national highways, expressways, urban roads, overpasses, and river-crossing traffic routes. Constructed with high-strength structural steel (Q345/Q355/Q420/Q460), it offers excellent load-bearing capacity, durability, fast construction speed, and adaptability to complex terrains.

Common types include:
  Steel Box Girder Bridge
  Steel Truss Bridge
  Steel Composite Girder Bridge
  Arch Steel Bridge
  Prefabricated Modular Steel Bridge (Bailey / Compact 200 / C450)

Highway steel bridges are widely used for both permanent infrastructure and emergency or temporary transportation needs.
  

Product Attributes

Trade Information

● Unit of Measurement: Ton

● Price Range: 1300—3000 USD/T.The specific price needs to be provided with drawings and calculated based on material requirements, processing requirements, paint requirements, etc. 

● Minimum Order Quantity (MOQ): 100 Tons

Key Advantages

High Load-Bearing Capacity
Designed to meet AASHTO, EN, BS, CHBDC, or Chinese Highway Grade I load standards.

Fast Construction & Installation
Prefabricated components allow rapid installation—ideal for time-critical highway projects.

Excellent Durability
Anti-corrosion coating, hot-dip galvanizing, and weathering steel options extend service life to 50–100 years.

Strong Seismic & Wind Resistance
Steel’s high ductility provides outstanding performance under earthquakes and typhoons.

Lightweight Structure
Steel bridges are 40%–60% lighter than concrete bridges, reducing foundation loads and construction costs.

Easy Maintenance & Inspection
Steel components are simple to inspect, repair, and replace, minimizing long-term maintenance.

Suitable for Complex Terrain
Ideal for mountains, rivers, deep valleys, coastal areas, and limited-access regions.

Technical Features & Production Process

Technical Features
High-strength structural steel (Q355/Q420/Q460, S355/S460, ASTM Gr.50/Gr.70)
Automatic submerged arc welding for high precision and strength
Modular design for easy transportation and quick assembly
Multiple anti-corrosion treatments:
Hot-dip galvanizing
Zinc-rich epoxy primer + polyurethane topcoat
Weathering steel (Corten)
Composite deck optional: reinforced concrete slab + steel girder
Bearings, expansion joints, guardrails, and drainage system integrated
Compatible with high-speed highway construction standards

Production Process
Structural design & FEM analysis
Steel plate cutting (CNC plasma/laser)
Plate forming & girder assembly
Automatic welding & ultrasonic testing
Sandblasting & coating / galvanizing
Pre-assembly inspection
Packing & modular shipping
On-site erection using cranes or launching gantries

Technical Specifications
  

  
Expressway & Highway Bridges
Urban Overpasses & Flyovers
River-Crossing Steel Bridges
Mountain Road Bridges
Temporary or Emergency Bridges
Mining & Industrial Road Bridges
Military & Disaster Relief Bridges

Why Choose Us

Professional Bridge Design Team
Experienced in AASHTO, Eurocode, BS, and Chinese standard bridge engineering.

Advanced Manufacturing Facilities
CNC cutting, automatic welding, UT/RT/NDT testing to ensure quality.

High-Quality Materials & Strict QC
Full inspection records, welding certificates, material traceability systems.

One-Stop Engineering Solution
Design → Fabrication → Delivery → Installation guidance → Quality assurance.

Global Project Experience
Highway bridge projects delivered to Southeast Asia, Africa, Middle East, Central Asia, South America.

Competitive Price & Fast Delivery
Modular steel bridge system ensures reduced costs and shortened project timelines.
  
   

  
Our Factory

Raw material storageMaterial cuttingAutomatic Welding

Manual weldingWeld seam treatmentDeep processing

PaintingDeliveryPackaging