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. |
Redundancy and Fracture Control
Information on redundancy and fracture control. |
Find a Bridge Fabricator
Want to find a bridge fabricator in your region? Click here for a map of certified AISC members. |
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. |
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. |
Corrosion Protection and Durability |
Plate Availability
Here you'll find plate availability tables.
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Bridge Innovations
Check out the latest bridge innovations. |
Extending In-Service Life
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Existing steel bridges throughout the country can get a new lease on life thanks to the many proven rehabilitation and strengthening techniques that can easily take advantage of existing steel and extend the bridge’s useful life.