Correct

冲毁

/ chōng huǐ / 
Strokes

Definition

washed away

Example

As a Verb

(of floods) destroy

1
Hóngshuǐ
洪水
chōng
冲
huǐ
毁
le
了
xǔduō
许多
qiáoliáng
桥梁
  
。

Many bridges were swept/washed away by the floods.

2
Héshuǐ
河水
chōng
冲
huǐ
毁
le
了
dàbà
大坝
  
。

The river burst the dam.

3
Dīàn
堤岸
bèi
被
bàofēngyǔ
暴风雨
chōnghuǐ
冲毁
  
。

The embankment was washed out by the storm.