Mithapur Mahuli Elevated Corridor

Patna, Bihar

Project Overview

The project corridor is a part of Patna-Gaya National highway 83. The elevated corridor will serve as a through link to Gaya, which is one of the crowded Pilgrimage centres of India & help in decongesting traffic in Patna city.

The project features 5km long elevated corridor constructed using Precast segmental box girder of 45m typical span length. Spine and wing shaped single cell box girder is proposed for 17.2m deck width. The project alignment runs parallel to railway track on one side and features a ROB downramp for traffic towards Sipara.

Due to weak subsoil strata, pile length of upto 55m is proposed at certain locations. The project also includes multiple minor bridges and box culverts for at-grade road.


Bihar State Road Development Corp Ltd.


Afcons Infrastructure Ltd.


INR 700 Crores


Patna, Bihar

Google Map

Technical Details

Total Length

8.9 km

Consisting 5 Km of elevated corridor

Typical Span


Special span


Cast in one go Spine and wing post tensioned box girder

Deck width –17.2m


Aesthetically pleasing flaring pier heads

Rectangular piers

~40m pile length 1200mm dia friction piles


Vital for decongestion of Patna City