M4 Motorway Concrete Deterioration
Introduction
The photograph on this page of M4 Motorway Concrete Deterioration by Nigel Mykura as part of the Geograph project.
The Geograph project started in 2005 with the aim of publishing, organising and preserving representative images for every square kilometre of Great Britain, Ireland and the Isle of Man.
There are currently over 7.5m images from over 14,400 individuals and you can help contribute to the project by visiting https://www.geograph.org.uk

Image: © Nigel Mykura Taken: 23 Sep 2016
The concrete supports for the motorway elevated section are crumbling and it can be seen that the exposed reinforcing bars are suffering from corrosion. Nets are in place to catch any falling concrete