Design
An elevated road employing reinforced concrete balanced cantilever beam supports with a single central column. The deck spine and wings are of hollow prestressed concrete design, with each span being tensioned by longitudinal tendons (four clusters, each of sixteen 29mm steel cables). The flyover was designed by G. Maunsell & Partners, Consulting Engineers, led by Peter Wroth and is 622 metres long. When built the flyover included heating cables to "eliminate ice formation." The system was initially successful, though a £4800 bill "so shocked Hammersmith Borough Council that, as a protest, it cut off the electricity." London County Council paid the bill after this.
The heating system became defective at some point a "long time" before 2000.
Read more about this topic: Hammersmith Flyover
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