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Updated: May 27, 2025
But the ingenious design of this bridge will be better explained by the following representation than by any description in words.* The bridge at Buildwas, however, was not Telford's first employment of iron in bridge-building; for, the year before its erection, we find him writing to his friend at Langholm that he had recommended an iron aqueduct for the Shrewsbury Canal, "on a principle entirely new," and which he was "endeavouring to establish with regard to the application of iron."* This iron aqueduct had been cast and fixed; and it was found to effect so great a saving in masonry and earthwork, that he was afterwards induced to apply the same principle, as we have already seen, in different forms, in the magnificent aqueducts of Chirk and Pont-Cysylltau.
Stephenson characterised the bridge as "a structure which, as regards its proportions and the small quantity of material employed in its construction, will probably remain unrivalled." The same year in which Burdon's Bridge was erected at Sunderland, Telford was building his first iron bridge over the Severn at Buildwas, at a point about midway between Shrewsbury and Bridgenorth.
Having carefully examined the bridge at Coalbrookdale, and appreciated its remarkable merits, he determined to build the proposed bridge at Buildwas of iron; and as the waters came down with great suddenness from the Welsh mountains, he further resolved to construct it of only one arch, so as to afford the largest possible water-way.
It is quite certain, however, the bridge-builder lost no time in trying his hand upon so tractable a material; for not long after Telford erected a bridge at Buildwas of even a greater span, and the famous cast-iron bridge over the river Wear at Sunderland was erected from the designs of Thomas Paine, the author of the "Age of Reason."
Thomas Paine's celebrated bridge at Sunderland had a span of 236 feet and a rise of 34 feet, and was constructed of six ribs, and is remarkable from the fact that the arched girder principle used in the Coalbrookdale and Buildwas bridges was rejected, that the ribs were composed of segments or voussoirs, each made up of 125 parts, thus treating the material in the manner of stone.
Although the span of the new bridge was 30 feet wider than the Coalbrookdale bridge, it contained less than half the quantity of iron; Buildwas bridge containing 173, whereas the other contained 378 tons. The new structure was, besides, extremely elegant in form; and when the centres were struck, the arch and abutments stood perfectly firm, and have remained so to this day.
We spent some time among the remarkable collection of relics in the museum, and as they mainly came from the Roman city of Uriconium, we planned a side-trip to this place, together with Buildwas Abbey and the old Saxon town of Much Wenlock, all of which are within twenty miles of Shrewsbury.
The Roman road was twin to the railroad; Uriconium was well worth Shrewsbury; Wenlock and Buildwas were far superior to Bridgnorth. The shepherds of Caractacus or Offa, or the monks of Buildwas, had they approached where he lay in the grass, would have taken him only for another and tamer variety of Welsh thief.
A few miles farther, mainly through narrow byways, brought us to Buildwas Abbey, beautifully situated near the Severn. Evidently this fine ruin is not much frequented by tourists, for we found no custodian in charge, and the haunts of the old monks had been converted into a sheepfold by a neighboring farmer. Yet at one time it was one of the richest and most extensive monasteries in England.
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