1900ft at 5nm to touch, just because of Class B airspace? Get real you lot.
The bridge is at 6nm, and if you believe in 300ft per NM, then the "correct" height at the bridge is 1800ft, not much difference. The base of class B goes to 1500 feet at 7nm and 2500ft at 10nm. The plate does say "recommended", not "required"