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Incremental launch is a recent method of building a complete bridge deck from one end of the bridge only.
The normal method of building concrete bridges is the segmental method, one span at a time.
The bridges are mostly of the box girder design and work with straight or constant curve shapes, with a constant radius. 15 to 30 metre box girder sections of the bridge deck are fabricated at one end of the bridge in factory conditions. Each section is manufactured in around one week.
- Woronora River Bridge, 2001, the largest incrementally-launched bridge when built