Shanghai Yangtze River Tunnel and Bridge, Bridge-tunnel system in Shanghai, China
The Shanghai Yangtze River Tunnel and Bridge links Pudong with Chongming Island through a combination of underground and elevated sections. The structure incorporates a major tunnel portion and multiple bridge spans that together cross the entire river.
The project reached completion in October 2009 as the first direct link between Shanghai Pudong and the large island. It marked a turning point in the region's infrastructure development.
The structure has become part of daily life for commuters connecting Shanghai's urban center with more rural areas on the island. It represents how modern engineering shapes the way people experience the relationship between the city and its surrounding regions.
The route functions as a multi-lane expressway where vehicles can travel at steady speeds. Tolls are collected at two main stations, and crossing is easiest during off-peak hours.
The system features eight specialized dampers that help the structure withstand earthquakes, strong winds, and heavy loads from fast-moving traffic. These devices simultaneously allow the structure to expand and contract naturally with temperature changes.
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