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What's causing this pothole?

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  • May 6th, 2020 1:50 pm
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[OP]
Sr. Member
Aug 29, 2019
720 posts
302 upvotes

What's causing this pothole?

Enbridge put in a line recently on a major road, an 80km single lane highway with fairly busy traffic. They opened up a 1ft by 1ft section of the road that has continually resulted in a reoccuring pothole immediately after the hole gets patched. The pothole has been filled at least every week, sometimes twice, thrice a week since the line went in. A pothole forms again 2 or 3 days later without fail.

Any best guesses why the pothole keeps opening back up?
Gas leak?
Water leak?
Improper patch?
Too much traffic to properly secure patch?

Patches usually last a month or so before they open up again. This one persistantly opens back up within days of being patched every single time. I suspect there's some kind of leak and the hole will be permanent unless that ever gets addressed. However I'm not an engineer, but I'm curious if anybody knows why some holes cannot be patched in the interim.
6 replies
Deal Addict
Dec 25, 2007
1135 posts
581 upvotes
GTA
Probably some piss poor cold patch being applied.
Jr. Member
Nov 18, 2019
156 posts
61 upvotes
GTA
It wasn't properly repaired. If it was a gas leak you would smell it, especially if the hole keeps opening up.

Suggest to complain to the local municipality so that it does get properly resolved.
[OP]
Sr. Member
Aug 29, 2019
720 posts
302 upvotes
ChibaK wrote: It wasn't properly repaired. If it was a gas leak you would smell it, especially if the hole keeps opening up.

Suggest to complain to the local municipality so that it does get properly resolved.
It's been fixed an insane amount of times. Keeps opening back up like nothing happened a few days later. I can hear large trucks and trailers bouncing over it, makes a very loud banging noise. The road was fine before enbridge dug into it. It was only 2 years old. A friend of mine casually mentioned that he thinks there's a water leak somewhere near that patch. Just wondering how likely that is?
Jr. Member
Nov 18, 2019
156 posts
61 upvotes
GTA
Katedontbreak wrote: It's been fixed an insane amount of times. Keeps opening back up like nothing happened a few days later. I can hear large trucks and trailers bouncing over it, makes a very loud banging noise. The road was fine before enbridge dug into it. It was only 2 years old. A friend of mine casually mentioned that he thinks there's a water leak somewhere near that patch. Just wondering how likely that is?
Water leakage into the dug area may happen, but there can be many other reasons aside from a water leak that is causing the hole to reform. Without knowing more information about the road and location, it's just a guess (no need to post the details).

I would suggest to take some photos on different days showing the hole and the patch not working, and call your City/Town about this issue. An alternative is to call your local Councillor.
Deal Guru
User avatar
Mar 13, 2004
11162 posts
2922 upvotes
Toronto, Ontario
i would say it was not back filled properly so the dirt/sand under the road has settled/move leaving no dirt under the pot hole area so no support which is why it keeps on sinking.
0_o
<_<
>_>
Deal Addict
Nov 24, 2015
1094 posts
820 upvotes
Durham Region
Likely poor compaction and/or voids under the asphalt, and therefore keeps sinking all the time

Repair crews don’t know how to properly fill holes back up using a layered compaction method or more likely don’t care

Same thing happened on an intersection near my house, crews dug a small hole to fix something and then filled it back up and probably didn’t do any compaction, it kept sinking and they had to come back several times

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