Yeah, that sound (especially the rest of the I-65 ones from 6:55 to 8:46) is a grooving pattern ALDOT used in the 90's up to around 2006-2007. I haven't heard this type of sound or seen such pattern used in other states (which btw looking at StreetView on the I-65 bridges the left most lane has it and it goes in an alternating pattern between || || || || ||| || || || || groove pattern and 14 evenly spaced grooves | | | | | | | | | | | | | | . Some folks will associate that sound with Interstate 22 since most of the overpasses there (with the exception of the ones around Hamilton) use that sound, although a few of the bridges have the FDOT sound instead. All of the I-22/I-65 interchange bridges have the FDOT sound as the FDOT pattern was made the default grooving pattern in Alabama around 2014.
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