There are few major roads into Cornwall from Devon: just the A30, the A38, and a couple of others further north.
By far the most dramatic approach is to cross the Tamar via the A38 from Plymouth to Saltash, the first town in Cornwall. The river is 400m wide and 25m deep here and two magnificent bridges carry both road and rail traffic, one a little over 40 years old, the other well over 140 years old.
The road bridge was finished in 1961, and, prior to it's completion, all traffic had to enter the county via the A390 at Gunnislake, about 12 miles upriver. A ferry for foot passengers had existed in Saltash for hundreds of years, but this was laid to rest upon the opening of the new brid
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There are few major roads into Cornwall from Devon: just the A30, the A38, and a couple of others further north.
By far the most dramatic approach is to cross the Tamar via the A38 from Plymouth to Saltash, the first town in Cornwall. The river is 400m wide and 25m deep here and two magnificent bridges carry both road and rail traffic, one a little over 40 years old, the other well over 140 years old.
The road bridge was finished in 1961, and, prior to it's completion, all traffic had to enter the county via the A390 at Gunnislake, about 12 miles upriver. A ferry for foot passengers had existed in Saltash for hundreds of years, but this was laid to rest upon the opening of the new bridge.
Recently the bridge has had two additional lanes added by way of a cantilever extension on either side, thus improving traffic flow at peak times. The total length of the road bridge is about 670m with the central span measuring 350m.
The other bridge is of course Isambard Kingdom Brunel's magnificent Royal Albert Bridge, constructed of iron and opened for rail traffic in 1859. Indeed, it still carries main-line trains into the Duchy, such is the quality of its build.
The first stages of construction involved the building of the massive stone caissons for the deck supports, bearing in mind that the only practical points to build from either side of the river neccesitated a clearance of well over 100 feet which The Admiralty also insisted upon. Next, the stone deck supports were built up to deck level. The entire deck structure is supported by the two, enormous, hollow tubular trusses, each weighing in excess of 1,000 tonnes from which the deck is suspended by huge, iron stanchions and held together by the largest nuts and bolts you will ever see.
It really is a wonderful creation and a lasting tribute to the greatest engineer in this country's history.
Of course, being an iron bridge in a maritime climate, it is a neverending job to keep the bridge in good shape, and a team of death-defying painters are constantly repainting the structure in it's battleship-grey livery.
No doubt there are bridges elsewhere in the world that can claim to be easier on the eyes, and countless that are longer, higher, wider and so on, but for sheer engineering prowess from the Victorian Era, this bridge is as beautiful as you will ever see.
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