Adhesive vs. Concrete: Tenacity Thereof

Sometimes, sticky labels hold on forever:

Faded NO PARKiNG sign
Faded NO PARKiNG sign

It’s standing near what was once the Red Oaks Mill dam, which continues to disintegrate:

Red Oaks Mill Dam - 2021-02-25
Red Oaks Mill Dam – 2021-02-25

Sixteen years ago, the dam was in better shape:

Red Oaks Mill Dam - 27 Feb 2005
Red Oaks Mill Dam – 27 Feb 2005

Maybe the sign was shiny-new back then?