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[[File: Bridge_21_20150607.jpg |thumb|300px|right| Borle Viaduct (Bridge 21)]]
Borle Viaduct carries the SVR over Borle Brook, which feeds into the River Severn from the hills to the west of the Railway. Like other bridges on the Severn Valley Railway, it was built with the capacity for dual tracks but only ever installed for single line running.
The viaduct is 42 yards in length, with four arches of 25ft span. The viaduct has suffered from mining subsidence over the years. Regular re-ballasting to overcome this has resulted in the line now being above the original parapet walls<ref>From The Window, Severn Valley Railway</ref>.
Borle Brook is normally an insignificant stream, but during the [[2007 Storm Damage | freak storm of June 2007]] it became a raging torrent which damaged the concrete and brick 'training walls' upstream and downstream of the viaduct itself. It took some months for the water level in the brook to subside sufficiently for repairs to be carried out; these involved soil nailing and installing rock filled 'gabion' baskets. The delay meant this was the last area to be reinstated shortly before the public re-opening of the whole line in March 2008.
The photograph shows the Viaduct as seen from the Severn Way looking west.
== Sources==
<references />
==See also==
[[Accommodation bridge north of milepost 142 | Towards Kidderminster]]<br>
[[List of infrastructure]]<br>
[[Fishermen's Crossing | Towards Bridgnorth]]
Borle Viaduct carries the SVR over Borle Brook, which feeds into the River Severn from the hills to the west of the Railway. Like other bridges on the Severn Valley Railway, it was built with the capacity for dual tracks but only ever installed for single line running.
The viaduct is 42 yards in length, with four arches of 25ft span. The viaduct has suffered from mining subsidence over the years. Regular re-ballasting to overcome this has resulted in the line now being above the original parapet walls<ref>From The Window, Severn Valley Railway</ref>.
Borle Brook is normally an insignificant stream, but during the [[2007 Storm Damage | freak storm of June 2007]] it became a raging torrent which damaged the concrete and brick 'training walls' upstream and downstream of the viaduct itself. It took some months for the water level in the brook to subside sufficiently for repairs to be carried out; these involved soil nailing and installing rock filled 'gabion' baskets. The delay meant this was the last area to be reinstated shortly before the public re-opening of the whole line in March 2008.
The photograph shows the Viaduct as seen from the Severn Way looking west.
== Sources==
<references />
==See also==
[[Accommodation bridge north of milepost 142 | Towards Kidderminster]]<br>
[[List of infrastructure]]<br>
[[Fishermen's Crossing | Towards Bridgnorth]]
