High Strength Q355b S275jr Prefabricated Modular Steel Structure Bridge for School Campuses

High Strength Q355b S275jr Prefabricated Modular Steel Structure Bridge for School Campuses. Modular Prefabricated Design: Components manufactured in factory for rapid on-site assembly with minimal disruption. High Strength Steel Grade: Constructed with S355/S460, Q355/Q460, or ASTM A36/A572 for exceptional durability. Customizable Span and Width: Span ranges from 10-80 meters and width from 1.5-6 meters based on project needs. Long Service Life: Designed for 30-50 years of service life with anti-corrosion treatments like galvanizing. Comprehensive Safety Standards: Complies with EN, AISC, ASTM, BS standards with anti-slip walkways and safety rails. Multiple Structure Types: Available in Truss, Box Girder, Arch, and Cable-Stayed configurations. Precision Fabrication: Utilizes CNC cutting, robotic welding, and full-penetration welds following ISO 3834. Global Export Experience: Over 20 years of experience exporting to 20+ countries with competitive pricing.