Catch basin drainage installation question

I have a low spot on the side of my driveway that goes towards my pond. Would take a shitload of dirt to fix the issue and lots of money. Thinking of putting a few 6 inch catch basins and about 100 ft of the corrugated solid drain pipe instead. Looking at about 250$ total of project. My question is, should I add gravel on top of the pipe or under the catching basins? I thinking of under the basins to help with debris and to prevent the catch basins from sinking over time but is it needed for coverage of the pipe?