It was never nationalised, and closed on 30 December 1956 due to extensive corrosion throughout its iron infrastructure (which was deemed uneconomical to replace).
By 1987, the floor beams had become structurally unsound for automobile traffic due to extensive corrosion.
The investigation found that the collapse was caused by a two-stage failure of the welding on a connection, due to extensive corrosion.
However, extensive corrosion was discovered in both ships.
The refit was planned to last from 1995 to 1996, but did not conclude until late 1999, after extensive corrosion was discovered in both ships.
In February 2013 all trams delivered between 2003 and 2009 had to be taken out of service due to extensive corrosion on the load-bearing structure.
More than a month later BP sent a smart pig through its eastern pipelines, detecting extensive corrosion at several places and another small spill.
A hull survey in May found extensive corrosion and cracking, forcing her into drydock for the remainder of the year.
The bridge was ordered closed to traffic last April 12, after extensive corrosion was found in the steel supporting the roadways.
In 2007, operation of the Reservoir gates failed due to extensive corrosion.