A lorry crash on the A12 is causing chaos on both sides of the busy road
The accident happened at Coleman's Bridge above the A12 in Witham, Essex, on Wednesday afternoon.
An Essex Police spokesman said: "It is affecting both sides and drivers are asked to avoid the area as the road and the Coleman's Bridge will be closed for several hours and through the rush hour.
"Drivers are asked to find alternative routes."
- BREAKING: M6 lorry crash causes commuter rush hour chaos
- Man dies after car hit by train on level crossing in Gloucestershire
The lorry crashed into barriers and fell of a bridge
Drivers are asked to find alternative routes
Joe McCallum, from Essex, said part of the lorry container was on fire.
Photos shared on Twitter showed a large cloud of dark grey smoke billowing from the scene of the crash.
Another appeared to show a vehicle having fallen on to the carriageway below.
Part of the lorry caught fire following the crash A40 DISASTER: One dead and two fighting for their lives in deadly pile-up Wed, December 28, 2016
The A40 reopens after a pile-up of 20 cars between Witney and Burford Road in Oxfordshire, leaving one dead and two people fighting for their lives
Ben Starkey / SWNS.com 1 of 11
Get Quotes on Home Insurance
The scene following a multi car pile up on the A40
The 28-year-old van driver said he believed it was a lorry carrying frozen goods, but that he could not see anything more due to its "mangled" state.
He said he could not see anybody in the cab following the accident, which he said happened at around 3.45pm.
Crews from Essex Fire and Rescue and the Ambulance Service are at the scene.
- M60 traffic CHAOS after car and lorry crash
- Train services disrupted after articulated lorry SMASHES into bridge
- Lorry and pedestrian crash close down busy A1 motorway in Lincolnshire