STLRFD Initial License and Update Fees

Last revised: August 19, 2020

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To analyze, design and rate a steel beam or girder of a highway bridge in accordance with the AASHTO LRFD Bridge Design Specifications and the Pennsylvania Department of Transportation Design Manual Part 4 using US customary units. The program can perform an analysis of a simple span or a continuous span or can design a simple span girder. The cross section can consist of a wide flange beam with or without cover plate, a plate girder section, or a built-up section and it can be composite or non-composite.


Span lengths, bridge and girder cross section data, material properties, design option, analysis option, dead loads, standard live loads, pedestrian live load, special live loads, section losses, deck poring sequence, fatigue details, and output control options.


Echo print of input, reactions, moments, shears, deflections, influence lines, stresses, resistance, specifications check results, section properties, remaining fatigue and live load ratings.

STLRFD User's Manual

Note: An Evaluation (demonstration) version of this software is not available.

STLRFD Version Released Fee Private Fee Gov/Edu Federal and StateTransportation Agencies
Initial 1.0 May-97 --- --- ---
Update 1.1 Jun-99 Free Free Free
Update 1.2 May-01 $500.00 $50.00 Free
Update August-04 $500.00 $50.00 Free
Update March-06 $500.00 $50.00 Free
Update April-07 $500.00 $50.00 Free
Update June-08 $500.00 $50.00 Free
Update May-09 $500.00 $50.00 Free
Update June-11 $500.00 $50.00 Free
Update Dec-11 Free Free Free
Update Aug-12 $500.00 $50.00 Free
Update Jun-13 $500.00 $50.00 Free
Update Sep-14 $500.00 $50.00 Free
Update Oct-16 $500.00 $50.00 Free
Update Jun-19 $500.00 $50.00 Free
Update Aug-20 $500.00 $50.00 Free
New License --- $1,500.00 $100.00 Free

Note: The update fees listed above are the fees required to update from the previous version. Update fees are cumulative. Include all update fees for intermediate releases if you are updating from an older version, however the update fee should not exceed that charged for a new license.

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