One lane has now re-opened on the Orwell Bridge in Suffolk after it was closed off at 4.30am this morning.
Police are dealing with a collision between a stationary vehicle parked on the bridge and a lorry travelling eastbound.
The body of a man has also been found at the foot of the bridge, police say there are not thought to be any suspicious circumstances.
One lane has now re-opened between J56 and J57.
Westbound traffic is not affected.