Assuming that the I-Beams were at 14’-4” or higher, and you can assume they were since I bet literally hundreds of other semi-trucks passed beneath them without crashing into them. I’m betting this is the work of a fatally moronic truck driver who loaded up a piece of equipment on the flat bed in the picture and didn’t quite notice that it resembled a giraffe. And of course to boot, it looks like he was in the fast lane too.
One article I read indicated carrying a cherry picker and had a permit.
TXDOT said the clearance was 14” 1/2” and had signs out saying 13’ 6”