LRFD Simon is a powerful line-girder analysis and preliminary design program for steel I-shaped plate girders and multiple single-cell box girders. It allows users to quickly produce complete steel superstructure designs in accordance with the 8th Edition AASHTO LRFD Bridge Design Specifications. The program is offered free of charge by the National Steel Bridge Alliance (NSBA).
You have to complete and submit the following information, and then, you will be provided by a link to the current version of the LRFD Simon.
Use this link to submit your information.