An impressive, poetic almost invisible addition by RO&AD architecten resolves a simple practicality issue without disturbing the tranquillity its environment. Like it has been there forever.

The West Brabant Water Line is a defence-line consisting of a series of fortresses and cities with inundation areas in the south-west of the Netherlands. It dates from the 17th century but fell into disrepair in the 19th century. When the water line was finally restored, an access bridge across the moat of one of the fortresses, Fort de Roovere, was needed. This fort now has a new, recreational function and lies on several routes for cycling and hiking. It is, of course, highly improper to build bridges across the moats of defence works, especially on the side of the fortress the enemy was expected to appear on. That’s why we designed an invisible bridge. Its construction is entirely made of wood, waterproofed with EPDM foil. The bridge lies like a trench in the fortress and the moat, shaped to blend in with the outlines of the landscape. The bridge can’t be seen from a distance because the ground and the water come all the way up to its edge. When you get closer, the fortress opens up to you through a narrow trench. You can then walk up to its gates like Moses on the water.

ARCHITECT: RO&AD architecten, Bergen op Zoom, The Netherlands. CLIENT: Municipality of Bergen op Zoom. LOCATION: Halsteren, Municipality of Bergen op Zoom, The Netherlands. DESCRIPTION: Infrastructure / Bridge. STATUS: completed. AREA: 50 sqm. MATERIALS: Accoya Wood, Angelim Vermelho. CONTRIBUTING ARCHITECTS: Ro Koster, Ad Kil, Martin van Overveld. STRUCTURAL ENGINEER: Adviesbureau Lüning. CONTRACTOR: AVK-bv. DATE: . No part of this web site may be reproduced or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without prior permission of Morfae and the copyright owner.