The Province of Overijssel aspired to realize a wildlife crossing between the cities of Rijssen and Wierden with a unique signature and with a recognizable form and silhouette within the landscape. Royal HaskoningDHV Architecture was reponsible for the architectural and landcape design and project management.

ecoduct Wierden | Royal HaskoningDHV Architects


The wildlife crossing weaves its way into the historic pattern of the landscape and responds to the spatial transition from open and young Heideontginingen landscape to old and densely wooded Hoeven landscape. The use of earthy embankments along the edges of the crossing to bind it to the landscape, instead of fences, creates a natural image, both from the perspective of the road user and that of the wild.

ecoduct Wierden | Royal HaskoningDHV Architects

ecoduct Wierden | Royal HaskoningDHV Architects

In our philosophy the road is treated an incidental guest bellow a lush green hill. This differs greatly from the usual approach where a wildlife crossing is just another bridge crossing the road. The emphasis, thus, lies with the lush landscape and not with the asphalt.

ecoduct Wierden | Royal HaskoningDHV Architects

ecoduct Wierden | Royal HaskoningDHV Architects

The recognizable silhouette that was asked for by the client is most evident in the finish of the crescent-shaped edges of the wildlife crossing. Here, modern technology and materials briefly reveal themselves below the green hill, anchoring the green and providing a passage to the motorist. By keeping these crescent-shaped edges slim, and draping a green and lush barrier over them, nature’s primacy over asphalt is confirmed and the transition between the two landscapes is depicted.

ecoduct Wierden | Royal HaskoningDHV Architects

Underpass for bicycles next to the wildlife passage.

ecoduct Wierden | Royal HaskoningDHV Architects

ecoduct Wierden | Royal HaskoningDHV Architects

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Facts & numbers

ClientProvince of Overijssel
Location
N350 Wierden - Rijssel
Country
The Netherlands
Period
2011 - 2014
Expertise Architecture, Landscape design, Project Management
TeamJoris Smits, Sven SPierings, Carien ten Cate,
Jurgen Boonstra, Richard van de Brule

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