In north Bihar, NHAI wants bids by 7 October 2026 for four-laning 82.551 km of NH-22 from Muzaffarpur through Sitamarhi to Sonbarsa on the Nepal border, a Rs 2,441.07 crore job.
The Muzaffarpur Sonbarsa NH-22 tender in brief
The section runs from design chainage km 0.000 at Muzaffarpur to km 82.551 at Sonbarsa, taking NH-22 from two lanes to four through Muzaffarpur and Sitamarhi districts up to the border crossing. It is let on the Hybrid Annuity Mode through NHAI’s Bihar division, with the tender first published on 7 January 2026.
On a HAM job NHAI pays 40% of the bid project cost during construction and the rest as annuities, so the contractor carries less financing risk than on BOT. That brings in mid-to-large EPC firms rather than only developers.
Ground conditions and who wins this kind of work
This is flood plain country between the Bagmati and Lakhandei rivers. Most of the road has to sit on a raised embankment with plenty of culverts, minor bridges and a few larger river crossings, and bypasses around the bigger towns are likely. Bihar contractors who have built on this flood plain before know the soil, the monsoon window and where borrow earth can be had, and that knowledge shows in the price.
EMD
The EMD is Rs 24,41,00,000, 1% of the estimate. The tender fee is Rs 2,50,000.
Machines for flood plain highway work
Embankment is the big quantity, so plan for excavators at borrow areas, a tipper fleet, dozers, motor graders and vibratory rollers. Soft stretches may need geotextile and granular blankets, laid with loaders and graders. The pavement brings wet mix and hot mix plants, pavers and tandem rollers, and the bridges need piling rigs, cranes and batching plants.
Key facts
Tender ID
2026_NHAI_262088_1
Reference no.
PROJ-29015(103)/1/ 2026-Bihar Division/E-303765
Issuing authority
National Highways Authority of India, Bihar Division
Location
Muzaffarpur to Sonbarsa via Sitamarhi, NH-22 (design km 0.000 to 82.551), Bihar
Muzaffarpur to Sonbarsa via Sitamarhi, design chainage km 0.000 to km 82.551, a total length of 82.551 km in Bihar.
What is the estimated value and EMD?
Rs 2,441.07 crore, with an EMD of Rs 24,41,00,000 and a tender fee of Rs 2,50,000.
What is the contract mode?
Hybrid Annuity Mode, with part of the cost paid during construction and the balance as annuities.
When do bids close?
7 October 2026 at 11:00 AM, with opening on 8 October 2026 at 11:30 AM.
Tender details are summarised for convenience and may change. Always verify the latest dates, terms and documents on the official tendering portal before bidding. DesiMachines is not responsible for changes made by the issuing authority.
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