A temporary ban is to be imposed on heavy goods vehicles using M53 Bidston Moss Viaduct from mid-January as a safety precaution after a rigorous analysis of the viaduct highlighted a potential need for further strengthening work.
http://www.gnn.gov.uk//Content/Detail.asp?ReleaseID=140073&NewsAreaID=2
seen at 22:10, 29 December in Highways Agency News - national.