Exposed steel reinforcing being repaired on the elevated section of the M4 motorway in Brentford, West London, England.

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The 'beam' seen here is called a crosshead and had been damaged by salt laden water leaking into the non-waterproof crossbeam over many years of use (it was constructed in 1965)

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Size: 5184px × 3456px
Location: Brentford, West London, England
Photo credit: © Maurice Savage / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: a4, beams, carriageway, chiswick, concrete, cross, crossbeam, crosshead, damage, damaged, dual, elevated, exposed, flyover, m4, motorway, reinforcement, reinforcing, repaied, steel, visible