John Speller's Web Pages Timber Trestles (Cornwall Railway)

John Speller's Web Pages - GWR Broad Gauge

Timber Trestles (Cornwall Railway)
Brunel's timber viaducts viaducts were designed so that any member that became rotten could be replaced without disturbing any of the others. Replacement became difficult, however, after the beginning of the American Civil War when it became almost impossible to obtain high quality American Yellow Pine for the bridges for a reasonable cost, and other timbers proved to be too short-lived. All the timber viaducts were replaced with stone structures in the late nineteenth and early twentieth centuries.
The Carvedras Viaduct was one of two within the City of Truro. At 323 yards, Carvedras was the shorter of the two. The Carvedras Viaduct was replaced in 1904. To enlarge right click and select "view image"
Another postcard view of Carvedras Viaduct from the opposite direction.
Carnon viaduct was 252 yards long and 96 feet high.
Collegewood Viaduct near Penryn Cornwall, last of Brunel's timber trestles to survive. It was only replaced in July 1934

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