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Machynlleth half through girder bridge - Bridges, Tunnels & Roads - The Prototype Photograph Archive. - Your Model Railway Club
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 Posted: Thu Mar 21st, 2013 08:47 am
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mynnyddog
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This is a road overbridge at the Dovey Junction end of the station. It not only carries the tracks but also the down platform. The road dips quite markedly to get enough headroom under the bridge for road traffic and as a consequence the road is prone to flooding at this point. The span carrying the platform is of a shallower depth as can be seen in the first two photos. Construction is conventional, being fabricated from plates rivetted together.
© David Meaden













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 Posted: Fri Mar 22nd, 2013 10:09 am
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peterbunce
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Hi,

With the central girder it looks like the bridge was extended in width, and the central girder added then for the extra strength.

That is just what the Midland Railway did on the Settle & Carlisle in 1903 ish so the (then new ) compounds could be used on the line.

Yours Peter.

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 Posted: Fri Mar 22nd, 2013 12:26 pm
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Marty
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Excellent set of photos, particularly useful for us scratchbuilders. Any idea what the bricked in arch was for?



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Newcastle Emlyn Station is "Under construction"
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 Posted: Sat Mar 23rd, 2013 08:19 am
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mynnyddog
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Hi Peter,
According to G Briwnant-Jones in his book 'Railway through Talerddig' the bridge was rebuilt in its present form in 1927. However it appears to have been a replacement rather than rebuilding as the original was a wrought iron affair with timber decking. A photo of the earlier bridge in the book indicates it was a similar sort of structure with central girder.
regards
David

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 Posted: Sat Mar 23rd, 2013 08:28 am
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mynnyddog
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Hi Marty,
The arch was built to acommodate the Morben tramway. The tramway became part of the Corris, Machynlleth and River Dovey Tramway. This was a 2 ft 3 in gauge line originally worked by horses and gravity. It allowed slates to be carried down to quays at Morben on the Dovey estuary. Once the Newtown and Machynlleth railway was up and running in 1863, an exchange yard was built and the Corris slate traffic moved by rail. The Morben extension fell out of use and the arch was filled in, although I don't have a date for that.
regards
David

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 Posted: Sat Mar 23rd, 2013 01:31 pm
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Marty
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Oooh... I didn't expect a tramway.... Neat. Thank you for the reply. I might potter off and do some research..... :lol:



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Newcastle Emlyn Layout.
Newcastle Emlyn Station is "Under construction"
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