Photos show the oldest vehicle-carrying suspension bridge as it celebrates its 204th birthday.The Union Chain Bridge. located in Berwick-upon-Tweed, was designed by Sir Samuel Brown - and predated the famous Clifton Suspension Bridge by 40 years.Brown's design of the bridge was based on a 32m prototype constructed from iron and stone - and his patent for the manufacture of chains to be used was approved in 1816.Prior to the bridge's construction, crossing the Tweed required an 11 mile trip downstream via Berwick, or a 20 mile upstream journey via Coldstream - and the journey was perilous when the river was high.
9. The Union Chain Bridge, the world's oldest vehicle-carrying suspension bridge, in Berwick-upon-Tweed, on the Scotland/England border.
The Union Chain Bridge, Berwick upon Tweed on the England Scotland border | Katielee Arrowsmith / SWNS
10. The Roxburgh family in front of the toll house on the English side of the bridge (now demolished). Tolls were charged to cross the bridge until 1883.
The Union Chain Bridge, Berwick upon Tweed on the England Scotland border | Gibson Photographic Services
11. The Union Chain Bridge, the world's oldest vehicle-carrying suspension bridge, in Berwick-upon-Tweed, on the Scotland/England border.
The Union Chain Bridge, Berwick upon Tweed on the England Scotland border | Katielee Arrowsmith / SWNS