The Heyden Viaduct, now known as the Woodhead Bridge, was completed in 1851, and turned over to the Salters Brook turnpike road that year. The Woodhead embankment was  from completion.
The Heyden Viaduct, now called the Woodhead Bridge, was finished in 1851 and given to the Salters Brook turnpike road that same year. Construction on the Woodhead embankment was finished at that point.