The Old Naini Bridgeis one of the longest and oldest bridges in India, located in Allahabad.
It is a double-decked steel truss bridge which runs across the Yamuna river in the southern part of the city.
bridge runs North-South across the Yamuna river connecting the city of Allahabad to its neighborhood of Naini. It boasts capability of roadways and railways simultaneously. Upper deck has a two lane railway line which connects Naini Junction railway station to Allahabad Junction railway station, while the lower deck has successfully been facilitating roadway services since 1927."WIKI"