National Steel Bridge Alliance


Design and Estimating

AASHTO/NSBA Collaboration Documents

Essential reference material on contract standardization and best practices for design, fabrication, and construction.                                  

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Technical Resources and Research

Here you'll find case studies, local preferred practices and standards, and more.                                                                                              

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Redundancy and Fracture-Critical Members 

Information on redundancy and fracture-critical members.                                                                                                                             

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Find a Certified Fabricator

Partner with a firm that qualifies for the industry's most recognized quality certification program.                                                         

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Steel Solutions Center

Get expert help with technical and conceptual solutions--free of charge.                                                                                                 

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WSBS Past Conference Proceedings

Access archival sessions and conference proceedings from past World Steel Bridge Symposiums.                                                         

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Design Resources and Software

These are the tools you need to design a great bridge, from span to weight curves to LRFD Simon, NSBA Splice, and IRM Evaluator. 

 

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Steel Bridge Design Handbook

This is the most current version of the document originally produced by US Steel in the 1970s.                                                             

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Corrosion Protection and Durability Resources

There are several proven ways to protect steel bridges from corrosion, and no single solution is best for all circumstances.

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Plate Availability

Here you'll find plate availability tables.                                                                                                                                                   

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Bridge Innovations

Check out the latest bridge innovations.                                                                                                                                                     

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