What is Virtis?
Virtis is a comprehensive bridge rating tool developed by AASHTO. For an agency's bridge inventory it stores detailed bridge
descriptions sufficient for structural analysis and performs this analysis.
Why use Virtis?
In an effort to standardize load ratings and improve quality control and oversight, MDOT has purchased a super-site license of
AASHTOWare Virtis. This license will allow local agencies and/or their consultants to obtain a license of the software at no cost.
I represent a local agency bridge owner in Michigan or am a consultant working directly for a local agency in Michigan. How do I
obtain a license for Virtis?
As of January 3, 2012, Michigan Technological University's Center for Technology & Training (CTT-MTU) handles all Virtis licensing
requests. For more information, please visit http://loadrating.michiganltap.org/BLR-Software
How do I get help using Virtis?
As of January 3, 2012, Michigan Technological University's Center for Technology & Training (CTT-MTU) provides limited load rating
and Virtis support. For questions specific to Virtis, please visit http://loadrating.michiganltap.org/
For non-Virtis related load rating support, please contact Brad Wagner (517)322-1186 or wagnerb@michigan.gov.
Virtis Tutorials - Tutorials are available from AASHTO on the Virtis/Opis Technical Support Site. After receiving a license, you
will be given the user name and password.
Download Instructions
The Michigan Legal and Overload configurations are available as a Virtis library. Click on the zip file link below and choose "Save".
After extracting the XML files from the download you will be able to import the library files into your Virtis library. Please refer
to the tutorials for help with importing a library file.
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