Highway and infrastructure projects demand steel girder bridges that arrive on site ready to assemble — with the right camber, the right splice fit, and the right documentation.

Phase 1: Project Definition & Design Compliance

Challenge: Highway authorities specify AASHTO LRFD for design, but the fabricator must translate design intent into shop drawings that work on the factory floor.

Our Approach:

• Review your bridge design and confirm AASHTO LRFD load and resistance requirements

• Prepare shop drawings with camber, sweep, splice and connection details

• Flag any fabrication or transport constraints before production begins

Deliverable: Approved shop drawings, fabrication plan and standard compliance review.

Phase 2: Material Sourcing & Certification

Challenge: Highway projects require full material traceability — every plate must be certified.

Our Approach:

• Source ASTM A709 bridge steel with Mill Test Reports

• Grade 50 / 50W / HPS 70W selected to your design specification

• 50W weathering steel available for exposed highway structures

Deliverable: Mill certificates for all steel plate, traceable to heat number and project mark.

Phase 3: Factory Fabrication & Welding

Challenge: Highway bridge girders must be welded to AWS D1.5 — the structural welding code for bridges.

Our Approach:

• Cutting, forming and fit-up to AASHTO LRFD fabrication tolerances

• Welding per D1.5 qualified WPS/PQR, performed by certified welders

• AWS CWI inspection on all welding; NDT methods as specified

Deliverable: Welded plate girders, box girders or segmental spans, ready for dimensional verification.

Phase 4: Quality Verification & Trial Assembly

Challenge: If girders don't fit on site, the fix is slow, costly and weather-dependent.

Our Approach:

• Verify camber, sweep, length and section depth against shop drawings

• Trial-assemble splice connections and cross frames in the factory

• Mark every component for its erection sequence

Deliverable: Trial assembly records, dimensional inspection reports and marked components.

Phase 5: Export Packing & Logistics

Challenge: Highway girders are long, heavy and must arrive undamaged.

Our Approach:

• Lifting points marked for crane or launcher handling

• Shipping brackets to prevent movement in transit

• Segmental delivery where girders exceed road transport limits

Deliverable: Packing list with girder marks, lengths, weights and erection sequence; full documentation pack.

Phase 6: Site Assembly Support

Challenge: Site crews need clear instructions and reliable connections.

Our Approach:

• Field-splice details for segmental girders

• Installation manuals and online technical guidance

• Documentation pack ready for the project file

Deliverable: Smooth site assembly with no field rework.

Standards & Certification

What We Fabricate

Why Choose FASECbuilding?

At Hangzhou FAMOUS Steel Engineering Co., Ltd. (FASECbuilding), we bring over 20 years of experience in steel bridges and steel structures and exports to more than 100 countries and regions, specialising in steel bridges, factory buildings, trusses, composite floor decking and custom steel components. When you work with us, you get:

• One factory for AASHTO LRFD design, ASTM material and AWS D1.5 welding

• AISC IBR/ABR certified factory with AWS CWI inspection

• Factory trial assembly — your girders fit before they ship

• OEM/ODM — built to your drawings, not from a catalogue

• Export packing and worldwide shipping with full logistics support

Send us your drawings, span and load requirements, and required standard today for a free quotation and technical proposal — Hangzhou FAMOUS Steel Engineering Co., Ltd. (FASECbuilding) is ready to fabricate your highway prefabricated steel girder bridge for road and infrastructure projects.