Saints and Corbels
Counting on the Romans

Anchor the Canal Bridge!

Grand Junction Canal Co. wall plate

The Monday Photo

This wall tie anchor plate tells us which company installed it, and in what year; this was an easy post to research. It was the Grand Junction Canal Co, and the anchor was installed or at least cast at the foundry, in 1913.

The company formed in 1793 and built the canal that runs through North Bucks and crosses the River Ouse over the Iron Trunk aqueduct at Wolverton. We know it as the Grand Union Canal; the name changed on January 1st 1929 when several canal companies merged.

These plates are used in pairs with an iron rod between them, and they stop the sides of the bridge from spreading; the rod has threaded ends and large nuts hold the anchors.

Hot Stuff
I think the rod is heated up when it goes in so that it expands. Then the nuts are done up nice and tight. When the rod cools it contracts; the anchor plates are pulled in even tighter.

This plate is on canal bridge number 123 which carries the B488 over the canal just North of Ivinghoe. Two pairs were installed here, and there’s another pair on the bridge at Simpson, Milton Keynes.

I expect there are plenty more but I haven’t spotted them yet. If you like canals there are more posts on the North Bucks Wanderer; just look at the categories list in the sidebar.

If canals aren’t really your thing there are over 400 other posts, here on the NBW.

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