The problem with those publications is they're only good at the time of printing. They don't account for paving in between issues. There is a YouTube video called "11 Foot 8". Amazing compilation of trucks and RV's that attempted to go through that railroad underpass. There are Navigation Apps out there that provide that info, and they're pretty accurate.
'07 K3500 Silverado LT Crew Duramax (LBZ)
2016 Salem 27RKSS
1984 CHEV SCOTTSDALE K20 2GCGK24J0E1XXXXXX (Chevrolet Legends-Class of 2019)
"...exhaust fluid? We don't need no stinkin' exhaust fluid"