Tore out my bathroom walls and found some rotten wood. Scared to tear it out because I don't know how much load is on the wall. Even if I tore it out and replaced the wood it still might not be an exactly match to the original frame. I'm on the first floor of two story condos.

 

Trying to post a zoomed out pic but it wont let me

 

Looks like it has already been butchered.

So to be extra careful cut 1 1/2 inches off the horizontal 2X4,
Looks like there are nails in there so you will also have to cut them off unless you can pull them without damaging the plumbing.
Then sister another 2X4 against the crap one deck screw (stitch) it to the old one above the notch.
Attach it up top and to the bottom plate.
Then cut off the old 2X4 at the top of the notch.
Now you can screw it to the horizontal 2X4.
Then insert a 2X4 of the proper length from t where you cut out the old one to the bottom plate and screw it to the sister.
Now you have not only replaced the rot but also made it stronger.

I cannot tell if the bottom plate is rotten so you will have to check it.

I doubt it is carrying much weight or it would have bowed out or snapped at the notch.

Also I am not sure why you are worried about matching the existing frame as it looks like newer construction so the lumber dimensions should be the same.

 

Nothing to be scared of... unless your Sawzall gets away from you and you cut the pex...

Tear it out and replace it. Pressure treated wood for the bottom plate, standard SPF lumber to replace the stud.

 

Thank you so much for responding. Both of you. I'm always amazed when people answer posts like this. But I've been staring at it for a few weeks wondering if I should cut it out lol. Not that either of you will be responsible if the roof collapses. But I feel a lot more confident now. Sawzall here I come.

 

If you don't have a hammer drill to put a couple 1/4 x 2 3/4 tapcons through the bottom plate and into the concrete, use a tube of PL polyurethane under it. The screws that you use to toenail the studs to the bottom plate will hold it there.

 

I'll either rent a hammer drill or use the PL polyurethane. Might be a while but I plan on stopping by home depot for supplies after work today.

 

Well I only cut the bottom plate out from the far left stud to the beginning of the second stud from the left. It's wobbly so I think I need to cut to under the second stud so that both studs press it against the concrete ground.

 

Well this is what I ended up with. Loctite is under the bottom plate curing now. Stud isn't screwed in yet. Best I know how to do. https://i1266.photobucket.com/albums...psbdvv1zmc.jpg

Thanks for the help.

 

Looks damn purty to me.

Nice work !!!!

 

Tried to keep it simple. Roof didn't cave in at least