I drew an accurate version of the 5/25. It should be in the parts section, if I'm not wrong. Otherwise you can cannibalize it from my Northampton-class Augusta. You should really use that one. Your propellers are also way too large for a ship the size of yours. You can find smaller ones easily by looking at other light cruisers of the period. The double storage davits for the boats would've been a no-no for the USN. Export cruisers, maybe. You also need to add appropriate motorboats/ -barcasses etc. Your bridge looks reasonable, but I would check the windows; your window pillars are way too thick, for the period. The bridge wings are bland, have no angles and thus appear to just "shoot" straight aft, which in real life they wouldn't. Look at the Augusta again, which picture will give you ideas about such USN standard features as wind deflectors (features absent on Karle94:s drawings). Also they are way too long. US cruisers of this period featured an integrated conning tower (CT) which you don't seem to have. That's a must!
Take a look, again, at the Augusta, and feel inspired to improve your forward mast. On the hull, I'd continue the portholes forward and aft; your arrangement currently is mildly odd.
You're definitely getting there, so this is a commendable effort at a smaller light cruiser.
-I have multiple part sheets on my computer. None of them have the gun you suggested. I think the sheets need updating because I found many weapons from US ships not found on the sheet
-I originally had the 5/25 gun on the ship but someone told me a ship of that period would not have that particular gun
-What wind deflectors are you talking about?
-What is an integrated conning tower?