bateau bridge vs pontoon bridge

bateau bridge and pontoon bridge both are nouns.

Word	Noun	Adjective	Verb	Adverb
bateau bridge	Yes	No	No	No
pontoon bridge	Yes	No	No	No

As nouns, bateau bridge and pontoon bridge are synonyms defined as:

bateau bridge and pontoon bridge: a temporary bridge built over a series of pontoons

Other synonyms of bateau bridge include floating bridge.

bateau bridge (noun)	pontoon bridge (noun)
a temporary bridge built over a series of pontoons	a temporary bridge built over a series of pontoons