Viaduc de Busseau-sur-Creuse, Railway bridge in Ahun, France.
Viaduc de Busseau-sur-Creuse is a railway bridge stretching 338.7 meters across the Creuse River, supported by thick stone pillars rising about 56.5 meters high. The structure uses a combination of metal and masonry work to span the valley and carry trains smoothly across this geographical obstacle.
The viaduct was constructed between 1863 and 1864 and began carrying trains that same year under engineer Félix Moreaux. This 19th-century railway project was a significant undertaking that opened a vital transportation route across the region.
The structure received monument historique status on January 15, 1975, recognizing its importance in French railway engineering and architectural heritage.
The structure is viewable from several vantage points at ground level and along nearby paths that wind through the valley. Fair weather offers the clearest views of the stonework and metalwork details, while the bridge itself remains in continuous use by trains.
The design incorporates special steel anchor bars that protect against crosswinds and keep the bridge stable throughout the year. The deck rests on roller supports that allow it to shift slightly when heat and cold cause the metal components to expand and contract.
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