Six-Laning from Aunta-Simaria section of NH-31 in Bihar, including construction of one of the widest extradosed bridge on Ganga River
NHAI
HAM
8.15 km
Rs. 1,447.7 crore
Project under execution
The project features India's widest extradosed cable-stayed bridge over the River Ganga, spanning 1.8 km. With segment lengths ranging from 57 to 115 metres and 70-metre cantilever arms, the structure exemplifies engineering excellence.
Strategically located between Aunta (Patna district) and Simaria (Begusarai district), the project integrates North and South Bihar, reducing travel time by over an hour and significantly improving regional connectivity.
This 34-metre-wide, single-segmental cable-stayed bridge is a true engineering marvel, incorporating a Railway Under Bridge constructing using Push Box Technology to ensure uninterrupted rail operations during construction.
Specialized materials like silica fume have been used to develop high-performance concrete, enhancing structural durability and enabling the bridge to withstand heavy traffic volumes for years to come.
The project unlocks access to national and international markets for local Makhana farmers and improves connectivity to industrial hubs like Barauni, driving regional economic growth.
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