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The Mithapur-Sipara stretch of Patna's Mithapur-Mahuli-Punpun elevated corridor is likely to open this month, completing the final missing link of the wider project connecting southern Patna to National Highway 30 and NH-22. Once operational, travel across the roughly nine-kilometre Mithapur-Mahuli stretch is expected to take seven to eight minutes, down from nearly an hour previously. The Bhupatipur-Punpun section of the corridor, built at a cost of around INR 1,105 crore, was inaugurated by Bihar Chief Minister Nitish Kumar in mid-2025.
The Mithapur-Sipara elevated corridor in Patna is likely to open to traffic this month, marking the completion of the last remaining stretch of the larger Mithapur-Mahuli-Punpun elevated road project that has been under construction in phases over the past several years. The Bihar government's Road Construction Department has indicated that finishing work on the stretch, which passes above National Highway 30 and connects with the Mithapur flyover, is in its final stages.
The elevated corridor forms part of National Highway 83, linking Patna to Gaya, one of the country's most heavily visited pilgrimage centres, and is intended to ease chronic traffic congestion along the city's southern belt while improving connectivity to neighbouring districts, including Gaya, Jehanabad, Arwal and Aurangabad. Once the Mithapur-Sipara stretch becomes operational, the approximately nine-kilometre journey between Mithapur and Mahuli is expected to be completed in seven to eight minutes, a sharp reduction from travel times that earlier stretched to nearly an hour during peak congestion.
Officials had earlier stated that work on the Sipara bridge section, including the installation of girders, casting and expansion joints, was nearing completion, with finishing work to follow before the stretch could be opened to the public. The elevated segment has been designed as a five-kilometre stretch using precast segmental box girders with a typical span length of 45 metres, featuring a spine-and-wing shaped single-cell box girder structure with a 17.2-metre deck width. Given the weak subsoil conditions along parts of the alignment, which runs parallel to a railway track, pile foundations of up to 55 metres have been used at certain locations. The project also includes several minor bridges and box culverts to support at-grade sections of the road.
This stretch complements the Bhupatipur-Punpun section of the same corridor, which Chief Minister Nitish Kumar inaugurated in June 2025. That section, comprising a 6.75-kilometre elevated stretch between Sipara and Mahuli built at a cost of approximately INR 1,105 crore, brought down travel time on that segment to five to six minutes and was executed by infrastructure company Afcons Infrastructure. The Bhupatipur-Punpun stretch itself included a five-kilometre elevated four-lane road, ten kilometres of at-grade four-lane carriageway, and a one-kilometre connecting ramp, engineered for a design speed of 100 kilometres per hour, and was completed roughly five months ahead of its original 24-month schedule.
The New Bypass corridor, along which the elevated stretch has been built, has for years functioned as a critical but heavily congested link for traffic moving between central Patna and its southern and eastern peripheries, particularly around the Sipara bridge area, where narrow at-grade sections had frequently caused bottlenecks. The completion of the Mithapur-Sipara link is expected to remove this last chokepoint, allowing an uninterrupted elevated run from Mithapur through to Punpun and significantly easing pressure on surrounding local roads that have historically absorbed diverted traffic during peak hours.
The corridor's completion also comes as Patna continues to expand its broader transit infrastructure, including the Patna Metro's Blue Line, whose priority corridor between Malahi Pakri and Patliputra Bus Terminal became operational in October 2025, and the earlier Patli Path elevated road connecting Digha to AIIMS Patna. Taken together with these projects, the Mithapur-Mahuli-Punpun corridor forms part of a wider pattern of elevated and grade-separated infrastructure that the state government has pursued to decongest Patna's core and improve connectivity to its rapidly growing southern and eastern residential belts, corridors that have in recent years seen a steady rise in housing and commercial development activity.
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