In addition to the helpful locational data from Wiki, Google's street view might shed some light on early reports that "PVC pipe" caught fire under I-85 in Atlanta. While the images I located are no more recent than 2016, if the same material was stored there yesterday, it looks more like reels of HDPE utility pipe, perhaps for gas line replacement.
Here's the side view, at this location and under the I-85 bridge, from Google's map app, dated 2016:
Here's the section that collapsed, from Fox 40:
Here's a closer snip of the Fox 40 aerial. In the center of the image is what looks a lot like a hose reel: