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MHG17146 - Polla Bridge (By Polla Ford on A838) - Laid

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Full Description

(Location cited as NC 391 547). Bridge, Polla, c. 1830. A two-span rubble bridge with segmental arches and triangular cutwaters.
J R Hume 1976.

A rubble, twin-arched bridge which carries the current road over the river. The central supporting column of this bridge is cemented to bedrock in the middle of the river and carries a span of some 25 m. This column protrudes from either side in a diamond shape. The side walls of the bridge are 0.4 m thick and the road surface is 3.5 m wide within these walls. There are drainage outlets 3 m from the north end on either side. There are curving, stone constructed revetments at the river banks where the bridge ends rest at the SE, SW and NW. The river bank at the NE is dominated by natural bedrock. This bridge was financed by the Marquis of Stafford's road improvements c. 1830 (Beaton, 1995, 92). The bridge has been heavily repainted with concrete mortar which may have a detrimental effect on the masonry. There are several cracks evident on the interior wall faces at either side of the road surface but particularly at the north end of the west side. <1>

This bridge carries the A838 public road over the Amhainn an t-Strath Bhig, close to the bottom of Strath Beag.
Information from RCAHMS (RJCM), 7 May 1998.

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Map

Location

Grid reference	Centred NC 3904 5472 (50m by 50m) (2 map features)
Map sheet	NC35SE
Geographical Area	SUTHERLAND
Civil Parish	DURNESS

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