The ones over the chain link fence right on the point? Are they brushes, props, or some other thing? There are lots of them out of bounds on viaduct as well.
Little protip dude, you can usually find .vmt files of valve made maps, so in the future you can download and open that up in hammer and check for yourself. http://forums.tf2maps.net/showthread.php?t=5952 Here is a thread where a lot of decompiled maps were shared.
Your looking at cliff_wall props, there are about 9-12 different versions with mirrored versions for symmetry (cliff_wall_1, cliff_wall_1a and so forth if I remember correctly).
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