Warning: Missing argument 2 for wpdb::prepare(), called in /home/lntiel/public_html/wp-content/plugins/all-in-one-redirection/admin/class-all-in-one-redirection-admin.php on line 221 and defined in /home/lntiel/public_html/wp-includes/wp-db.php on line 1295
Viaduct Connecting Western Express Highway to Chatrapathi Shivaji International Airport, Mumbai | Infrastructure


Viaduct Connecting Western Express Highway to Chatrapathi Shivaji International Airport, Mumbai

A Viaduct is proposed connecting Western Express Highway (WEH) to Chatrapathi Shivaji International Airport (CSIA) to provide congestion free uninterrupted flow of traffic. L&T ECC is the client / contractor for this project.

L&T Infra Engineering is the Detailed Design Consultant of the Contractor for the Design and Build Contract.

The viaduct is designed for Six lane traffic with a clear carriageway width of 22.5m and crash barrier and planter box on either side for a width of 2.6m. The overall deck with is 27.6m. The total length of the flyover is 1km with a typical span of 35m.

The type of superstructure adopted is Box Girder Spine Beam of 9m wide with Cantilever Wings on both sides for a length of 9m. The superstructure is a three span continuous structural arrangement with deck continuity. The superstructure is resting on a single pier. The superstructure is constructed by Segmental Construction Methodology in stages.

The Approaches to the viaduct is of Reinforced Earth retaining structure.

Consulting Services provided for the project include:

  • Design of superstructure, substructure, foundation and miscellaneous details
  • Preparation of Good for Construction drawings
  • Construction Stage Support
  • Traffic management plan at ground level during construction
  • Construction of Underpasses to CSIA airport

About Project

19 February, 2015



On January 3rd 2024, L&T IEL was acquired by Assystem Stup, the Indian subsidiary of the Assystem Group.

This is an exciting development for both companies. L&T IEL will continue to deliver the highest standards to its customers, operating under the Assystem brand name. 

To find out more about Assystem’s activities in India visit the Assystem website and keep up with news from our social feed here.

This will close in 0 seconds