Winner: Special award: Re-engineering London
- Principal Contractor: Costain
- Client: Transport for London
The Hammersmith Flyover carries 70,000 vehicles each day. Post-Tensioned Special Inspections revealed severe corrosion of the pre-stressing strands which, if left, would affect the structure's load carrying capacity. The technical complexity, interdependency and strategic location presented numerous constraints in both design and construction.