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Threave Bridge

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Threave Bridge
Location Map ( geo)
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Highway Authority
Transport Scotland
Opening Date
1825, 1987
Additional Information
Bridge Type:  Arch Bridge
Engineer:  Thomas Telford
On road(s)

Threave Bridge was built in 1825 in order to realign the Carlisle to Portpatrick road away from the tight dogleg over the Bridge of Dee. It consists of three stone arches over the river, the two piers both founded in the river bed and protected by semi-circular cutwaters. The bridge has been attributed to various people over the years, including Thomas Telford. However, while it certainly bears a resemblance to many of his designs, the attribution cannot be confirmed.

The central arch of the bridge is larger than the two flanking arches, which originally gave it a slightly humped profile. However, in 1986/7, the bridge was doubled in width to better cope with the substantial increase in traffic on the A75. The old facing stonework was taken down on the downstream side and a new concrete section, matching the original arch profiles, was constructed. At the same time, however, the roadway was raised slightly to remove the hump, and so the reconstructed stonework differs slightly from the original as the string course and parapets are now horizontal. The parapet on the upstream side was also rebuilt to be horizontal.


Threave Bridge
Crossings of the Galloway River Dee, and Tributaries
Water of Deugh, Water of Ken and River DeeGreen Well of Scotland Bridge • Liggat Bridge • Smittons Bridge • High Bridge of Ken • Knowehead Bridge • Allangibbon Bridge • Ken Bridge • Glenlochar Bridge • Bridge of Dee (Galloway) • Threave Bridge • Tongland Bridge • Kirkcudbright Bridge
River TarffHigh Bridge of Tarff  • Low Bridge of Tarff

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