Survey Data

Reg No

50010001


Rating

Regional


Categories of Special Interest

Architectural, Technical


Original Use

Bridge


In Use As

Bridge


Date

1930 - 1935


Coordinates

316660, 234501


Date Recorded

26/11/2011


Date Updated

--/--/--


Description

Pair of single-span bascule or rolling lift bridges over lock, installed 1932-4. Fixed, 2001. Sited spanning lock with limestone ashlar battered retaining walls having cut-granite coping.

Appraisal

A pair of bascule or rolling lift bridges supplied by Sir William Arrol and Company (established 1873) of Glasgow based on the "Scherzer Rolling Lift Bridge" invented by the Chicago-based engineer William Donald Scherzer (1858-93) and patented (1893) by the Scherzer Rolling Lift Bridge Company (cf. 50010009).