TheOld Naini Bridgeis one of the longest and oldest bridges inIndia, located inAllahabad. It is adouble-deckedsteeltruss bridgewhich runs across theYamuna riverin the southern part of the city.The 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 facicilating roadway services since 1927