YOU SAID:

crashed my car into a bridge I don't care

INTO JAPANESE

私の車を私が気にしない橋にぶつけた

BACK INTO ENGLISH

I hit my car against a bridge I do not mind.

INTO JAPANESE

私は橋の上に私の車に当たったが、私は気にしない。

BACK INTO ENGLISH

I hit my car on the bridge, but I do not mind.

INTO JAPANESE

私は橋の上で私の車に当たったが、私は気にしない。

BACK INTO ENGLISH

I hit my car on the bridge, but I do not mind.