Software and Computer Programs

PennDOT LRFD and Engineering Programs

Accepted Commercially Available or Consultant Developed Software (PDF)

Engineering Spreadsheets

Integral Abutment Design Spreadsheet

• Integral Abutment Version 2.3 (October 2025) (xlsm)

Mechanically Stabilized Earth (MSE) Wall Design Spreadsheet

• User's Manual (PDF)
• Design Spreadsheet (April 2015) (xlsx)
  

Truss Gusset Plate Analysis and Rating

FHWA—PennDOT Webinar (9/24/2009):

• PennDOT Presentation: PennDOT Load Rating of Gusset Plates (ppsx)
  
• FHWA Presentation: PennDOT TGPAR Spreadhseet Overview (ppsx)
• Webinar Chat Q&A (doc)

PennDOT TGPAR Spreadsheet:

•  Figures (PDF)
•  Instructions (PDF)
•  Method of Solution (PDF)
•  Summary of TGPAR v1.0, 1.01 & 2.0 Revisions (PDF)
•  TGPAR v1.01 (xls)
•  TGPAR v2.0 (xls)

FHWA Guidance Example:

• FHWA Guidance Example (xls)
• Hand Calculations vs. PennDOT TGPAR Spreadsheet (PDF)

PennDOT Truss Example:

• Shop Drawings (PDF)
• Spreadsheet (xls)

Revisions to Pub. 238 (2/11/2009):

• SOL 431-09-02 (Revisions to Pub. 238 "Bridge Safety Inspection Manual", Chapters 3 and 6) (PDF)