Stress Ribbon Footbridge over the Bystrzyckie Lake in Zagórze Śląskie – Design and Construction

Bystrzyckie Lake is a dam lake created in 1917, located in the Owl Mountains near the village of Zagórze Śląskie (Poland), at the foot of the medieval Grodno Castle. The lake along with the castle have very soon become tourist attractions of the region. A steel suspension footbridge was built in 1968 in the upper part of the lake. In 2010 technical condition of the footbridge was so bad that a decision was made to demolish it and to erect a new one in the same place. This paper describes construction and design details of the new footbridge – a stress ribbon structure with two spans of 22.00 + 80.00 m and the total length of 125.60 m. The bridge deck consists of precast segments made of architectural concrete, placed on four bearing cables. A pedestrian path with a usable width of 2.00 m is located on the deck, widening to 4.00 m and 4.50 m in places of viewing platforms. The footbridge in Zagórze Śląskie was opened in summer 2019 and soon has become a landmark and an attraction for tourists visiting the region.

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