Great Western Railway Usk bridge
- Great Western Railway Usk bridge
Infobox Bridge
bridge_name = Great Western Railway Usk bridge
caption = First Great Western High Speed Train crossing the River Usk.
locale = Newport
carries = Railway
crosses = River Usk
maint = Network Rail
width = Quadruple standard-gauge (4 foot 8½ inch) trackThe Great Western Railway Usk bridge [http://www.geograph.org.uk/photo/39611] is a crossing of the River Usk in Newport city centre. It carries the Great Western Main Line across the river in an east—west direction.
Original Wooden Bridge of 1848
The original wooden structure was constructed by the South Wales Railway in 1848, but just as the final arch was being put into place on May 31, a heated bolt ignited chemicals used to preserve the wood and a catastophic fire destroyed most of the structure.
Brunel's Girders
To prevent a recurrence of the fire, the renowned railway engineer Isambard Kingdom Brunel invented the now-common bow-string -shaped girders to replace the wood sections.
1888 Stone Bridge
In 1888 the bridge was replaced with one made of stone, and by 1911 it had been widened to four lines.
External links
*gbmapping|ST312885
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