pontoon bridge
bateau bridge
floating bridge

In 1962, the issue was brought up again, this time as a pontoon bridge.

IN the morning they set out on the pontoon bridge.

You can see, here, they've brought up some more pontoon bridges.

The club is based on two small islands connected by a pontoon bridge.

It is the survivor of several pontoon bridges found in China.

Then a pontoon bridge would be built across the river.

By then the Americans had six pontoon bridges over the river and nine divisions on the far side.

He was an expert in the construction of pontoon bridges.

By late 1853 two government punts were used to form a pontoon bridge.

Even the 2,000 men left to defend the pontoon bridge were captured.