The Kylesku Bridge is a distinctively curved concrete box girder bridge in north-west Scotland that crosses the Loch a' Chàirn Bhàin in Sutherland. It is listed as category A, the highest grade.
Wikipedia https://en.wikipedia.org/wiki/Kylesku_Bridge
Address A894, IV27 4, United Kingdom
Coordinates 58°15'25.931" N -5°1'25.982" E