will these cross beams support my tent?

dbo24242

New Member
here is a pic of it

middle crossbeams would be used they are two 2x4s which are 24 inches apart and I Would place a double layer of plywood over them and my 36" wide tent. total weight needed to be supported by these two 2x4s would be like 400 pounds and the crossbeams for the 2x4s are about 6 ft apart.

what do you guys think?
 

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