Solidarity Bridge, Steel cable-stayed road bridge in Płock, Poland.
This cable-stayed bridge spans 1,712 meters across the Vistula River with a main span of 375 meters, supported by two steel pylons reaching 68.7 meters in height and 56 steel cables arranged in a single plane configuration.
Construction began in 2002 and the bridge was officially opened on October 13, 2007, by Polish Prime Minister Jarosław Kaczyński, replacing the need for older river crossings that had created traffic bottlenecks in the city.
The bridge was named after the Solidarity movement and its opening ceremony included nearly 2,000 residents, a brass band performance, and a parade of vintage cars and motorcycles celebrating this important infrastructure milestone.
The bridge serves as a dual carriageway designed for speeds up to 80 km/h with a width of 27.5 meters, forming part of the Father Jerzy Popiełuszko Route that bypasses the city center.
The bridge holds the world record for the longest main span among cable-stayed bridges with cables arranged in a single plane, requiring specialized HD2000 suspension technology and 12,600 tons of steel construction.
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