Hart's Weir Footbridge is a single-span concrete footbridge across the River Thames

River Thames

The River Thames flows through southern England. It is the longest river entirely in England and the second longest in the United Kingdom. While it is best known because its lower reaches flow through central London, the river flows alongside several other towns and cities, including Oxford,...

 in Oxfordshire

Oxfordshire

Oxfordshire is a county in the South East region of England, bordering on Warwickshire and Northamptonshire , Buckinghamshire , Berkshire , Wiltshire and Gloucestershire ....

, England. Locally, it is also known as Rainbow Bridge, due to its rainbow-arc appearance as seen from the horizon. It is situated on the reach above Northmoor Lock

Northmoor Lock

Northmoor Lock is a lock on the River Thames in Oxfordshire, England, on the northern bank about a mile from Northmoor.The lock was built in 1896 by the Thames Conservancy to replace a flash lock at Hart's Weir, also known as Ridge's Weir, about a mile upstream and another at Ark Weir downstream...

, the nearest village being Appleton, Oxfordshire

Appleton, Oxfordshire

Appleton is a village in the civil parish of Appleton-with-Eaton, about northwest of Abingdon. Appleton was part of Berkshire until the 1974 boundary changes transferred it to Oxfordshire.-Manor:...

to the east.

The bridge was built in 1879 on the site of a weir that was removed a year later. Then known as Hart’s Weir, it had previously been Ridge’s, Langley’s, Cock’s, Rudge’s, and Butler’s Weir. Sixteen years later Northmoor Lock was built downstream.