As of 7am, two lanes of 4 stay closed on the northbound carriageway between junction 20, Lymm, and junction 21, Woolston.
This is because of critical injury brought on to the barrier.
Nationwide Highways North West says {that a} complicated restore operation is below method and can proceed all through the morning.
It has warned commuters to count on delays into the morning peak and to permit additional time.
Warrington city centre site visitors is snarled up consequently.
In line with Inrix, a site visitors and journey service, complicated restoration work of the lorry will likely be going down all through the morning.
The most important emergency incident, which concerned a lorry crashing off the Thelwall Viaduct and onto the embankment beneath, occurred at round 6.50pm final evening, Monday.
5 hearth engines from Warrington, Lymm, Middlewich, Chester and Powey Lane hearth stations attended in addition to a rescue boat from Warrington Hearth Station and an aerial equipment from Lymm Hearth Station.
The motive force of the lorry shouldn’t be believed to have suffered any life-threatening accidents.
Final evening, a Cheshire Police spokesperson mentioned: A Cheshire Police spokesperson mentioned: “Shortly after 6.50pm on Monday, September 30, police had been referred to as to experiences of an incident on the M6 northbound at Thelwall Viaduct, between junction 20 and 21.
“Officers attended the scene and located a lorry had come off the carriageway and landed on the embankment beneath the bridge.
“The motive force of the lorry shouldn’t be believed to have suffered any life-threatening accidents.
“Three lanes stay closed on the northbound carriageway because of critical injury brought on to the barrier. One lane will stay open with a diminished velocity restrict.
“These lane closures will stay in place for a while and are anticipated to proceed into the morning. Motorists are suggested to keep away from the world and discover another route throughout this time.”