LRFD Box Culvert Program
The 3.3.1 version of LRFD Box Culvert Program is available as a free download on our website. LRFD Box Culvert Program belongs to Photo & Graphics Tools. This free software was originally designed by FDOT.
From the developer:
LRFD Box Culvert is a Mathcad 15 program that allows you to design concrete box culverts, wingwalls, headwalls, and cutoff walls in accordance with the AASHTO LRFD Bridge Specification.
You may want to check out more software, such as TxDOT Concrete Box Culvert Analysis Program CULV5, Message Box Generator or Rizone 3D Box Creator, which might be related to LRFD Box Culvert Program.