Building question

[23 CHIEF]

I live in buffalo ny so I do have snow loads my question is can I eliminate this corner brace ( the old looking 2x4 ) and continue to put in the missing joist or what suggestions does anyone have I would like to put drywall on top of the joist and leave them showing kinda rustic looking

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[readhead]

This is how they used to brace the corners. You can remove the brace if you provide some kind of shear value back into the walls at the corners. You could do wood let-in braces, steel straps or structural sheeting. The choice depends on how you want to finish the walls.

 

[23 CHIEF]

I do plan on dry wall on the walls also it look like the alternatives all make that not possable so I guess I would have to leave it or is there something eles out there I can do

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[seavee]

Remove it and just lay it on top if the new joist and nail down. It will brace the corner just the same.

 

[readhead]

The diagonal brace has to be on the top plate to be effective. Let-ins or straps will not affect the installation of drywall.

 

[pattenp]

One main reason for that brace is because you have individual boards for the roof deck. If the roof deck was full sheet plywood then then removal of the brace would be of no consequnce.

 

[readhead]

Not true. The roof diaphram does not contribute to the wall shear value unless that brace is there. If there is no shear value in the walls the building could fall over with the roof intact. Sheeting the roof and then removing the brace takes out what little shear value was being transfered.
It wasn't really a very good system to start with. That might explain why there are a lot of old leaning garages.
The quick and easy fix would be some Simpson WB straps installed in an "x" or "v" pattern. You can drywall right over the straps.