The A465 is now open.
A spokeswoman from West Mercia Police said they received a call at 6.10am from a driver of an articulated lorry who had tried to drive under the railway bridge at Pontrilas on the A465 in Herefordshire and got stuck.
The road was blocked and a diversion was put in place. There were no reported injuries.
At 6.45am network rail stopped trains as a precaution. By 7am the rail company confirmed damage was just superficial and trains began to run again.
Part of the A465 remains closed while the vehicle is removed.
THE A465 is closed in both directions between the Hardwick Roundabout in Abergavenny and the B4349 junction in Hereford due to a vehicle striking a railway bridge and recovery work. Police directing traffic.
Police confirm that significant damage has been caused in the accident.
Scene of the accident in Pontrilas in Herefordshire: