GUWAHATI: Assam’s first six-lane extradosed bridge over the Brahmaputra, connecting Guwahati and North Guwahati, will incorporate six advanced features, the state government has announced. The Public Works Department (PWD) has secured approval for the additions, along with additional funds, as construction nears 89% completion.
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Among the key enhancements is a bridge health monitoring system, designed to provide real-time data on the bridge’s structural response to traffic and seismic activity. The system is vital for the region, given Assam’s vulnerability to earthquakes, and will allow the PWD to analyse and address potential issues promptly.
A dynamic lighting system will also replace earlier plans, enabling the bridge to display themed illumination, such as the tricolour on national holidays. The entire 1,240-metre stretch will be equipped with this upgraded feature.
To increase durability, the bridge will be coated with anti-carbon paint, ensuring resistance to rust and weathering. This measure is expected to significantly extend its lifespan, particularly given Assam's prolonged monsoon season.
On the north bank, one vehicular and one passenger underpass will be constructed, addressing logistical needs not included in the initial design. Additionally, a rescue station will be established on the Guwahati side to assist in emergencies, such as vehicle breakdowns or other incidents on the bridge.
The bridge, constructed under the Assam Bridge Project by SP Singla Constructions Pvt. Ltd., is funded by the New Development Bank and is set to be completed by June 25 next year. Designed to last over 100 years, it will become India’s longest extradosed bridge, with six foundations spaced 200 metres apart and embedded 56 metres beneath the riverbed.
Speaking to GPlus, a senior PWD official confirmed about the additions and the department anticipates that once operational, the bridge will reduce travel time between Guwahati and Gauripur from over an hour to just 10 minutes, significantly easing congestion in Jalukbari, Maligaon, and Adabari.