A launching gantry collapsed on a bridge-building site in Bihar’s Vaishali district on Thursday morning, injuring at least six workers and raising new questions about the safety of big infrastructure projects. The incident took place near Lalganj on a six-lane bridge under the National Highways Authority of India’s (NHAI) Bharatmala project on NH-139W.
The accident occurred when a launching gantry, a specialised structure that bridge builders had built to stack and install bridge parts, failed during construction. Several workers at the site were injured in the collapse and were taken for medical treatment.
The exact number of injured personnel has varied considerably, with some accounts saying six and others seven or eight injuries. Two of the injured workers are reported to be in critical condition and are receiving advanced medical care.
Gantry fails in bridge construction
The gantry failure has immediately brought attention to the situation. Construction equipment of this scale plays a crucial role in large bridge projects, and any failure can pose serious risks to workers working at or around the structure.
The accident occurred while work was going on on the six-lane bridge near Lalganj. Emergency response efforts were initiated after the collapse, with injured workers shifted for treatment.
The launching gantry is now being investigated to see what caused it to fail. A technical fault is one of the questions that are being probed. It is expected that the collapse was caused by an equipment failure, an operational problem, or another technical problem.
Main bridge structure remains undamaged
NHAI has said that the main bridge structure was not damaged in the incident. Safety protocols are being reviewed following the collapse, the agency said.
The difference between the gantry and the permanent bridge is significant. A launching gantry is temporary construction equipment for building the bridge sections, while a completed bridge is part of the permanent infrastructure.
NHAI’s review of safety procedures will involve the equipment, construction process, and precautions taken at the site. The investigation will determine what caused the accident.
Two workers reportedly critical
The condition of the injured workers is still a big concern after the accident. While multiple workers sustained injuries, reports indicate that two are in critical condition and have been moved for advanced medical care.
The incident has once again highlighted the dangers faced by workers involved in large-scale infrastructure construction. Bridge projects include heavy machinery, elevated structures, and complex engineering operations, making strict safety procedures crucial in their construction.
The condition of the injured workers and their treatment will be determined as officials continue assessing the situation.
#WATCH | Vaishali, Bihar | Portion of an under-construction bridge collapses in Jalalpur area; At least 6 people are injured in the incident pic.twitter.com/HWBKBkH7LW
— ANI (@ANI) September 10, 2026
New concerns about construction safety in Bihar
The Vaishali incident has also revived concerns about construction practices and infrastructure safety in Bihar. The state has seen previous bridge accidents and structural failures, leading to increased public scrutiny of major construction projects.
Opposition leaders have raised questions about construction practices and safety standards following the latest incident. They have called for accountability and a thorough investigation into the circumstances that led to the gantry collapse.
Such concerns have put pressure on the authorities to ensure that infrastructure projects are carried out according to approved engineering and safety standards.
Investigation to determine exact cause
Officials are still investigating the accident and trying to trace the sequence of events that preceded the gantry failure. Technical issues are still being analyzed, and safety measures at the construction site are also being examined.
The incident will prompt a closer look at construction equipment and procedures on the project. Further safety measures will be implemented before work resumes or continues in the affected areas if the investigation determines that there are deficiencies.
The accident serves as a reminder for workers, contractors, and officials working on large highway and bridge projects to pay attention to equipment inspections, engineering checks, and strict safety measures at work.
The six-lane bridge is part of the Bharatmala infrastructure programme that aims to improve highway connectivity in the country. As construction of the major infrastructure projects unfolds, the safety of workers is as important as timelines for construction.
With the investigation underway, authorities will have to establish the reason behind the launching gantry collapse and decide if any additional measures are required at the site. Meanwhile, the health of the injured workers, particularly those reported to be critical, remains a major concern after the Vaishali accident.