Thorp Arch Bridge (sometimes known locally as Boston Spa Bridge) is a stone arch bridge opened in 1770 across the River Wharfe linking the West Yorkshire villages of Boston Spa on the southbank and Thorp Arch on the north.

The central arch has triangular cutwaters which accommodate pedestrian refuges in the parapets, the bridge has a footpath only to its upstream side, the remaining piers have cutwaters terminating in offsets.

[1] The bridge was built to replace a ford and connect Thorpe Arch with the turnpike road which went through Boston Spa.

7 bus route from Harrogate to Leeds via Wetherby, which is operated by the Harrogate Bus Company.

[3] In February 2022, the bridge was briefly closed when cracks appeared in the road surface.