noun
floating bridge; pontoon bridge
A bridge that floats on water, often supported by pontoons or boats. Used in historical and modern contexts.
この川には昔、浮き橋が架かっていた。
A floating bridge used to span this river long ago.
軍隊は浮き橋を使って対岸へ渡った。
The troops crossed to the opposite bank using a pontoon bridge.
Compound of 浮き (uki, 'floating') + 橋 (hashi, 'bridge'). The kanji spelling 浮き橋 is more common than 浮橋.