Samruddhi Expway Pkg 14 – Viaduct 1

Igatpuri, Maharas

Project Overview

Being a Part of Samruddhi Mahamarg, Nagpur Mumbai Expressway connecting the geographical center of India at Nagpur to the financial center of India at Mumbai. Package 14 of this expressway starts from Igatpuri and ends in Vashala and contains major viaducts and tunnels which cross the lush and beautiful terrain of Western Ghats mountain range.
Viaduct 1 with a total length of 900m contains simply supported spans of 35m with continuity of 3 spans to ensure ride quality. The viaduct has pier positions such that it presicely crosses over the river Darna, two village roads as well as Interchange 1, which connects the expressway to NH3 and the town of Igatpuri.
The structure is designed for a driving speed of 150 kmph carrying 3 lanes of traffic on each carriageway. A number of key innovations were carried out like annular open foundation, precast planks for deck slab construction and stepped piercaps to generate efficiency and faster constructability.


Maharashtra State Road Development Corporation (MSRDC)


Afcons Infrastructure Limited


INR 2400 Crores


Igatpuri, Maharas

Google Map

Technical Details

Total Length

900m (each carriageway)

Typical Span


Special span


Precast post tensioned I girder with cast in place deck slab

Deck width – 17.5m x 2


RCC portal circular piers with hammerhead pier cap

Annular raft foundation on basalt rock


One of the few projects to leverage high bearing capacity of rock without uplifting