Here is a list of some free and some subscription based software:
http://dragon.ccut.edu.tw/~chucm/Free%20Structural%20Engineering.htm
https://www.bridgesite.com/softwarelinks.htm
Here is one I stumbled on. I have been curious to try it out:
http://frame3dd.sourceforge.net/
I am a student working on a Master's in Civil/Structural. My project is to design a river bridge with a team of other students. Myself and one other group member elected to design the main span of the bridge which is a 3 span composite hybrid steel plate girder.
For the analysis we are using...
