under regent

this is under regent bridge edinburgh.regent bridge is on waterloo place.
The street this is on is calton road which runs under calton hill

the Lord Provost (lord mayor ) of Edinburgh, presented the plan to build Regent Bridge to the City magistrates on 1 March 1814 with a projected cost of about £20,000 and backed up by a feasibility study by the engineer Robert Stevenson. This project was accepted and the bridge was designed by Archibald Elliot. Construction under the direction of Robert Stevenson began in 1816 and the bridge was finished in 1819.The whole property purchased to open the communication to the city by this bridge cost £52,000, and the building areas sold for the then immense sum of £35,000