The external rotten area starts at the post bottom and goes up close to around the column base s bottom bolt height.
How to repair a rotted porch post base.
Over time some of those beams have sustained wood rot at the base and are no longer touching the concrete in places.
Unfortunately because the posts are situated along the exterior perimeter of the porch the wood is exposed to wind driven rain and roof runoff or splash up resulting in rot at the base.
Now push a screwdriver into the wood.
It was soft internally and blackened by fungus infestation.
Remove the rotted post and lay it across two sawhorses.
Use a reciprocating saw to cut the top of the post free from the overhead beam.
Concrete three 6x6 support posts under deck concrete above ground and a 10 diameter around existing 6x6 posts.
I dug some holes on a post with a screwdriver.
Peeling paint at the base of a porch column or deck post often indicates that the base has been and still is wet.
You can find out how bad the problem is by peeling back a little more of the paint you have to repaint the column anyway.
If it feels soft and spongy it s rotted.
Repair it before it gets.
The supports are sitting on top of concrete a foot down i think.
Detail for 2 jack up the deck and brace it.
Temporarily support the porch roof on either side of the rotted post with a hydraulic jack and a long 2x4 post.
Our front porch is poured concrete and has 6 6 wooden beams supporting the porch roof.
Unscrew and remove the handrail attached to the rotted porch post.
Porch column rot is pretty common along the base and eventually becomes a home for carpenter ants.
Each cb88 column base has 2 bolts.