UPDATE: Two hospitalised after Bruce Highway bridge crash
UPDATE 4PM: POLICE have confirmed that the Bruce Highway was now clear following a two car crash south of Marmor and north of Raglan this afternoon.
Queensland Ambulance said they assessed four patients and transferred two of them to Gladstone Hospital for treatment.
A man in his 60s suffered a shoulder injury and a woman 50s suffering soft tissue damage from her seat belt and was transported as a precaution.
Police have concluded the crash was just an accident.
2.15PM: EMERGENCY services vehicles are on their way to the scene of a crash near Marmor on the Bruce Highway.
Early reports suggest the accident that involved two vehicles and four occupants had occurred on a bridge on Twelve Mile Ck, south of Marmor, about 2.20pm.
One vehicle was believed to have rear-ended another.
Two motorists are understood to be injured with early reports suggesting one is suffering chest pain and the other shoulder pain.
No one is trapped inside the vehicles.
The northbound lane of the Bruce Highway is currently blocked.
More to follow.