Structures Design
By downloading any programs, you are agreeing to the following disclaimer:
No warranty, expressed or implied, is made by the Florida Department of Transportation as to the accuracy and functioning of any programs or the results they produce, nor shall the fact of distribution constitute any such warranty, and no responsibility is assumed by the Florida Department of Transportation in any connection therewith.
The Structures Design Office only supports those persons using this software in connection with Florida DOT related business.
For Mathcad problems, view our Mathcad Frequently Asked Questions page.
Attention Mathcad program users! Effective January 1, 2022, the only Mathcad version available for subscription will be PTC Mathcad Prime. Please note that the multi-year extension license for Mathcad 15 will expire on December 31, 2025. Following this date, only Prime versions of FDOT Mathcad programs will be maintained and updated. Users who hold a perpetual Mathcad 15 license may continue to request legacy Mathcad 15 programs as needed. For questions or assistance regarding this transition, please contact Ge Wan.
CADD Software and Resources
Bridge, Culvert & Wall Programs
| Program | Release Date | File Type | Description |
|---|---|---|---|
Beam Stability | 11/21/2023 | Zip (Prime 9) | Evaluates the construction stability and temporary bracing requirements of simple span pretensioned beams (uniform shapes: Florida-I and AASHTO Type II) in accordance with AASHTO LRFD Bridge Design Specifications, FDOT Structures Manual and Guide Design Specifications for Bridge Temporary Works. |
Biaxial Column | 05/31/2022 | Zip (Prime 9) | Calculates the 3D interaction diagram from arbitrary reinforced and prestressed concrete shapes. Note: Java (JDK 17 and new versions) required. Install from the Java download website. |
| Box Culvert v6.0 | 09/20/2024 | Zip (Prime 10) | Used with FDOT Standard Plan Index 400-289 to design concrete box culverts, wingwalls, headwalls, and cutoff walls in accordance with the AASHTO LRFD Bridge Design Specifications. |
| FB-MultiPier | See UF-BSI Website | Exe | FB-MultiPier is a nonlinear finite element analysis program for analyzing bridge pier structures and is supported and available from the University of Florida Bridge Software Institute. |
| Live Load Generator v4.0 | 05/23/2023 | Zip (Prime 9) | Calculates live loads for truck, truck train, lane, partial lane, and permit loads in accordance with the AASHTO LRFD Bridge Design Specifications. |
| Prestressed Beam v7.0 | 12/22/2025 | Zip (Prime 11) | Used with FDOT Standard Plan Index 450-010 to 450-299 to design simple span prestressed beams (Florida-I, AASHTO, Florida Bulb-T, Florida-U, Florida Double-T, Flat Slab, Inverted-T, FSB) in accordance with the AASHTO LRFD Bridge Design Specifications. |
| Bent Cap v2.0 | 12/22/2025 | Zip (Prime 11) | Analyzes and designs fixed or pinned bent caps, including lateral loads, in accordance with the AASHTO LRFD Bridge Design Specifications. |
| Retaining Wall v4.2 | 01/28/2025 | Zip (Prime 10) | Used with FDOT Standard Plan Index 400-010 to design and analyze cast-in-place retaining walls in accordance with the AASHTO LRFD Bridge Design Specifications. |
| Vessel Collision Risk Analysis v4.3 | 04/28/2025 | Zip (Prime 10) | Performs a vessel collision risk analysis in accordance with the AASHTO LRFD Bridge Design Specifications. |
Sign Support Programs
| Program | Release Date | File Type | Description |
|---|---|---|---|
| Cantilever Overhead Sign v2.0 | 12/22/2025 | Zip (Prime 11) | Used with FDOT Standard Plan Index 700-040 to analyze cantilever sign tri-chord truss structures in accordance with the AASHTO LRFD LTS Design Specifications. |
| Drilled Shaft v1.2 | 03/02/2023 | Zip (Prime 8) | Analyzes overturning and torsion in drilled shaft foundations constructed in sand or clay in accordance with AASHTO LRFD LTS Design Specifications. |
| Multi-Column Ground Sign v1.3 | 09/20/2024 | Zip (Prime 10) | Used with
FDOT Standard Plan Index 700-020 to design ground signs
in accordance with the AASHTO LRFD LTS Design Specifications. |
| Rectangular Spread Footing v1.1 | 03/02/2023 | Zip (Prime 8) | Analyzes rectangular spread footings for sign and signal structures in accordance with the AASHTO LRFD Bridge Design Specifications. |
| Single Column Ground Sign v1.0.3 | 11/02/2022 | xlsx | Used with FDOT Standard Plan Index 700-010 to design single column ground signs in accordance with the AASHTO LRFD LTS Design Specifications. |
| Span Overhead Sign v2.0 | 12/22/2025 | Zip (Prime 11) | Used with FDOT Standard Plan Index 700-041 to analyze span sign tri-chord truss structures in accordance with the AASHTO LRFD LTS Design Specifications. |
Lighting Support Programs
| Program | Release Date | File Type | Description |
|---|---|---|---|
| High Mast v2.0 | 05/23/2023 | Zip (Prime 9) | Used with FDOT Standard Plan Index 715-010 to design High Mast light poles in accordance with the AASHTO LRFD LTS Design Specifications. |
Signal Support Programs
| Program | Release Date | File Type | Description |
|---|---|---|---|
| Atlas | See UF-BSI Website | Exe | Used with FDOT Standard Index 634-001, 641-010 and 649-010 for the design and analysis of traffic signal supports consisting of dual cables connected to steel or concrete strain poles in accordance with the AASHTO LRFD LTS Design Specifications. Available from the University of Florida Bridge Software Institute. |
| MastArm v2.0 | 05/23/2023 | Zip (Prime 9) | Used with FDOT Standard Plan Index 649-031 to design cantilever signal support structures in accordance with the AASHTO LRFD LTS Design Specifications. |
| StandardMastArm v1.7 | 03/27/2025 | xlsx | Used with FDOT Standard Plan Index 649-030 and 649-031 to design FDOT Standard cantilever signal support structures in accordance with the AASHTO LRFD LTS Design Specifications. |
| ExistingMastArm v1.0 | 11/01/2022 | xlsx | Analyzes existing mast arm tubes in accordance with the AASHTO LRFD LTS Design Specifications and FDOT requirements. |
Geotechnical Programs
| Program | Release Date | File Type | Description |
|---|---|---|---|
| FB-Deep | See UF-BSI Website | Exe | Used to estimate the static axial capacity of drilled shafts and driven piles and is supported and available from the University of Florida Bridge Software Institute. |
| MSE Wall External Stability v2.5.1 | 04/19/2013 | xlsx | Analyzes the external stability of MSE Walls in accordance with the AASHTO LRFD Bridge Specifications. |
Miscellaneous Programs
| Program | Release Date | File Type | Description |
|---|---|---|---|
| Adhesive Anchor v1.1 | 09/20/2024 | Zip (Prime 10) | Designs adhesive anchors in accordance with the Structures Design Guidelines. |
| Section Properties v2.03 | 01/24/2011 | Msi | Uses coordinate input to calculate section properties of any geometric shape. Note: Java required. Install from the Java download website. |