An Extraordinary Process: Immersed Tunnel for Weser Crossing Near Bremen
Credit/Quelle: Eric Shambroom Photography
Credit/Quelle: Wayss & Freytag
Credit/Quelle: Wayss & Freytag
Credit/Quelle: Eric Shambroom Photography
Credit/Quelle: Eric Shambroom Photography
Credit/Quelle: Eric Shambroom Photography
Credit/Quelle: Wayss & Freytag
Credit/Quelle: Wayss & Freytag
Credit/Quelle: Wayss & Freytag
Credit/Quelle: Wayss & Freytag
In order to improve the traffic situation in north-western Germany and the connection to the international motorway network for the freight transport centre, port and airport, the A281 near Bremen is currently being expanded. Here, the remaining gap in the highly frequented ring motorway, the western corner connection between the A1 and A27, is being closed with an immersed tunnel in the Weser. The following article presents this unusual tunnel project with its particular characteristics and provides an overview of the current status of the work.
The crossing beneath the Weser river, which closes the gap in the A281 between the A1 and A27 motorways, is an important project that will relieve congestion on both motorways and on the access roads to the Hanseatic city of Bremen. The project was awarded by DEGES (Deutsche Einheit Fernstraßenplanungs- und -bau GmbH) on behalf of Autobahn GmbH des Bundes to Wayss & Freytag Ingenieurbau AG. It comprises the construction of the approximately 4.8 km long, four-lane motorway route, including the Weser crossing with an approximately 1.1 km long immersed tunnel (Fig. 1). The parallel construction...
