Neckartalviadukt Untertürkheim, Concrete viaduct in Untertürkheim, Germany
The Neckartalviadukt is a large concrete bridge in Stuttgart's Untertürkheim district that spans the Neckar Valley over a length of roughly 1,400 meters (4,600 feet). The structure comprises several bridge sections with a deck width of about 31.5 meters (103 feet) and uses steel box girders for its construction.
Plans to connect across the Neckar Valley originated in the 1930s, but actual construction did not begin until 1986 after decades of delays. The project employed modern building techniques of that era, including prefabrication and incremental launching methods that were standard practice in the 1980s.
The bridge serves as a daily commute route for thousands of people traveling between different parts of Stuttgart's urban area. It has become a familiar landmark that shapes how residents and travelers perceive the valley's infrastructure.
The bridge carries roughly 80,000 vehicles daily on Federal Road B-14 and experiences heavy commuter traffic, especially during morning and evening hours. It is best to avoid these peak times if you plan to travel across and want to minimize delays.
The bridge's concrete has a reddish tone created by adding oil shale residue from the Rohrbach Cement factory in Dotternhausen. This special composition gives the structure an unusual color for large infrastructure projects in the region.
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