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Get CANDE-2019
CANDE Downloads (CANDE-2019 & CANDE Tool Box)
Free executable program and documentation:


   (1) If you are acquiring CANDE for the first time, you must begin by downloading CANDE-2007 with 2011 Upgrade from the TRB web site as directed below.

  (2) After you have CANDE 2007/2011 installed and working on your computer you may easily update the program to the CANDE-2019 version as stated below.

  (3) A new auxiliary program called CANDE Tool Box-2019 offers user-friendly tools to modify input and output files for load rating. See the last paragraph below.


CANDE-2007 with 2011 Upgrade. This is the name of the AASHTO sponsored culvert analysis and design computer program developed under the direction  of TRB's  National Cooperative Highway Research Program Project 15-38.  The original CANDE-2007 program became publicly available on April 18, 2008, and CANDE-2007 with 2011 Upgrade became publicly available on August 11, 2011. All users should download the 2011 version as it is operable on all 32-bit and 64-bit oprerating systems and has improvements and corrections to the original version.

A downloadable file with the executable CANDE-2007 with 2011 Upgrade program including user manuals, theoretical manuals and tutorial examples is available on the TRB web site for NCHRP Project 15-28 via the link below:

Near the bottom of the opening page, click on "CANDE-2007 2011 Upgrade" and follow download instructions to create an iso file. Once you have created the installation file, open file and see the "read me" document for installing CANDE in your computer using the installation wizard.



CANDE-2019. This update offers many new modeling capabilities that have been developed through industry support since the last TRB 2011 release (See CANDE Newsletters #7, #8 and #9 for a description of the new modeling capabilities). As explained in the following link, the CANDE-2019 Update is achieved quite simply by pasting a revised dynamic link of the Cande Engine into the installed program.  Click on the link below and follow the directions to download the CANDE-2019 update along with updated user and theory manuals. 




CANDE Tool Box-2019 (Version Aug 20).  The CANDE Tool Box greatly enhances the user friendliness of the CANDE finite element program to compute load rating factors (RF) for any and all vehicles traversing culvert installations.  The CANDE Tool Box was developed under the auspices of NCHRP Project 15-54 and has completed alpha and beta testing. Thanks are extended to all beta testers for their enthusiastic support. The CANDE Tool Box Program and User Manual may be downloaded from the following link.