Crossword Puzzle RÃo crosser

Clue: RÃo crosser

___ Ross Bridge (Delaware crosser) (BETSY with 5 letters)
Rubicon crosser (CAESAR with 6 letters)
Famous frozen-river crosser (ELIZA with 5 letters)
Response to a double-crosser (ETTU with 4 letters)
River crosser (e.g. FERRY with 5 letters)
Ocean crosser (e.g. LINER with 5 letters)
Early ocean crosser (NINA with 4 letters)
An early ocean crosser (PINTA with 5 letters)
Opera singer with nine Grammys, to a double-crosser (PLACIDOMINGO with 12 letters)
R2D2's bar order? (ROBOTBEER with 9 letters)