Another Smart Answer

[R1cho]

A lorry driver was driving along on a country road. A sign came up that read 'Low Bridge Ahead ' .

Before he realised it, the bridge was directly ahead and he got stuck under it..
Cars are backed up for miles. Finally, a police car comes up.
The policeman got out of his car and walked to the lorry's cab and said to the driver,

'Got stuck, eh?'
The lorry driver said, 'No, I was delivering this bridge and ran out of petrol!'

[clivvy]

brilliant!