Viaduct Považská Bystrica, Extradosed bridge in Považská Bystrica, Slovakia.
The Viaduct Považská Bystrica is a motorway viaduct of the D1 Sverepec–Vrtižer section, running directly through the town of Považská Bystrica. Its 968.73 m length makes it the longest motorway bridge structure in Slovakia, with 10 spans and a largest span of 122 m. It is an extradosed bridge, combining cable-stayed and girder systems, and the first Slovak motorway bridge whose deck carries the full motorway profile on a single support in the transverse direction.
The bridge opened in 2010 and provides a key connection for the D1 motorway in Slovakia. Its completion marked a major step forward in the country's infrastructure development.
The bridge design by engineer Miroslav Maťaščík and Alfa 04 company represents Slovak engineering expertise in modern transportation infrastructure development.
The viaduct is a motorway structure carrying the D1 Sverepec–Vrtižer section, so it is closed to pedestrians and cyclists; there are no footpaths on the deck. Drivers cross it directly above the town centre, which removed through traffic from the streets below. The evening lighting and grey-green paint of the concrete are best seen from the town.
The bridge combines two different structural systems in its design, showing advanced engineering skill. This combination of principles allows efficient load distribution across the entire structure.
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