Well, it looks like no one could really answer why the charted visual procedures crossed the bridge at or above 1900, so they've been changed to cross at or above 1800.
But there's still a discrepancy between the charted visual and instrument procedures. The charted visuals cross MENLO at or above 5000, while the instrument procedures cross MENLO at or above 4000.
http://155.178.201.160/d-tpp/1309/00...GE_VIS28LR.PDF
http://155.178.201.160/d-tpp/1309/00...OE_VIS28LR.PDF