In total, the consortium has added 85 km of extra lanes to the A15 highway. We also construced the Botlekbrug: one of the largest lift bridges in Europe. As a result of smart planning and execution, the A-Lanes A15 consortium, of which Ballast Nedam is a part, has minimized the nuisance caused by the operation.
36 fly-overs reconstructed
12 new civil structures
85 kilometres extra road lanes
The most eye-catching landmark of the A15 Maasvlakte – Vaanplein motorway widening project is the new Botlek Bridge: one of the largest lifting bridges in Europe. The new bridge has a taller vertical clearance, which means a lower opening frequency, and shipping can simultaneously pass the bridge on both sides. In addition, the number of road lanes in both directions has been increased from one to two, promoting better traffic flow by road. The Botlek Road Tunnel is still in use, alongside the new bridge.
Lifting towers and decks
The new Botlek Bridge is a lifting bridge with two bridge decks suspended between six lifting towers. Two sets of red cable pulleys are installed on each tower and the deck of the new Botlek Bridge is raised and lowered via cables running over these cable pulleys.
The separate components of the two decks were produced in Germany and were specifically designed to be suitable for transport by road. The components were brought to Schiedam by lorry in a total of 220 trips. The decks were assembled simultaneously on the pier at Mammoet before being floated into position. This approach, involving manufacture in Germany and assembly close to the bridge's location, is unique.
The A-Lanes A15 consortium carrying out the A15 Maasvlakte – Vaanplein project consists of Ballast Nedam, John Laing, Strabag and Strukton.
Ronald de Geus
Managing Director Ballast Nedam Infra Projects
Ronald grew up in an international environment: the basis of his career in integral projects. From his design and engineering background, he has grown into the project management of large, complex projects.