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Royal Border Bridge spans the River Tweed between Berwick-upon-Tweed and Tweedmouth. It is a Grade I listed railway viaduct Link built between 1847 and 1850, when it was opened by Queen Victoria. The engineer who designed it was Robert Stephenson (son of George Stephenson). It was built for the York, Newcastle and Berwick Railway and is still in regular use today, as part of the East Coast Main Line.
The bridge is 659 metres long. It has 28 arches, constructed of brick but faced with stone.

Built in the 1920s to divert traffic off the older Berwick Bridge across the River Tweed. It is a reinforced concrete bridge. Until the bypass was built in the 1980s it carried the A1. Grade II* listed. Link

The present bridge dates from 1624 and is the fourth to have stood on this location. Two of the previous structures were destroyed by flooding and one by an English attack. The bridge is 355 metres long and was the original route of the A1, before the construction of the Royal Tweed Bridge in the 1920s. The bridge is a Grade I listed structure. Link