New construction of a cycle and footpath bridge over the Eder

As part of the comprehensive modernisation programme ‘Frankenberg 2020’, the family of bridges consisting of the three block girder bridges Wehrweide, Wildpark and Ederdorf represent the central elements of the new cycling concept. The sustainable junctions of the new attractive cycle traffic axis – in the same design with lengths of approx. 60, 80 and 90 metres – create short, safe and natural connections between living, working and leisure.

The design of the bridge structure is based on the local topography, the path connections and an optimised structural system: the curved layout creates a harmonious connection between Hengsfurt and Otto-Stoelker-Straße, which responds particularly well to the natural surroundings.
The bridge is designed as a two-span system with a support in the northern foreland. A dynamic cross-sectional shape with the highest supporting structure height above the pillar responds to the static load. The curved shape gives the bridge the necessary lightness and does not appear too massive despite the relatively large spans.
The superstructure is designed as a beam structure as a protected timber bridge in accordance with DIN 1995-2 NA. The main supporting structure consists of two parallel, curved girders made of block-glued, upright glulam beams. The lateral stepping of the timber cross-section additionally increases safety and ensures protection against driving rain, even in the areas with higher cross-sections.
Lighting for the bridge for the darker hours of the day and night is integrated into the railing construction in the form of dimmable LED spotlights, which prevent stray light from reaching the surroundings. Nesting boxes for dippers are installed between the bridge girders.