You want to post this kind of message to alt.engineering.for.free or some
other such group..... ; D
Seriously, If you want to know what it will carry you have to do the calcs.
You could download a
free trial version of some structural software. See
http://tinyurl.com/23lof , or
you could get a book from a library read it....
(This is an AutoCAD group)
Click to see the full signature.