Three Bridges
Three Bridges is a scheduled monument near Hanwell in west London, designed by Isambard Kingdom Brunel.
Work began in 1856, and was completed in 1859.
The three bridges are an arrangement allowing the routes of the Grand Junction Canal, Great Western and Brentford Railway, and Windmill Lane to cross each other - road above canal above railway.
The project was Brunel's last before he died on 15 September 1859, just two months after its completion.