Cleobury Road Bridge

Cleobury Road Bridge (2015)
Overhaul of the bridge underway in 1973

Cleobury Road Bridge (Bridge 35) allows the main road from Bridgnorth towards Cleobury Mortimer and Highley to pass underneath the Severn Valley Railway. It is a plate-girder bridge with a span of 55ft on the skew and 35ft on the square, and is located immediately south of Bridgnorth Station.[1] Until 2022 the turnout (points) controlling access to platforms 1 and 2 were located on the bridge itself, with the switch blades on one side of the bridge and the point nose on the other,[2] meaning the bridge is crossed by locomotives while 'running round'. The viewing gallery at the foot of Pan Pudding Hill ends next to the bridge's northern abutment.

The picture (right) is looking west with Bridgnorth station to the right.

Preservation

An overhaul to replace the bridge timbers began at the end of October 1973 with work being carried out by the Permanent Way and Civil Engineering Departments. Only six weekends were available, as the SVR planned to run its first Christmas services that year. The first two weekends were spent dismantling the bridge down to the metal girders. These were then cleaned, primed and painted with bitumastic, the process being hampered by a prolonged cold snap which prevented the paint from drying. At the same time the new timber baulks were drilled and test assembled next to the bridge. The assembled baulks were then dragged into place using diesel shunter No 17 "Highflyer". Refitting of the rails was hampered by the failure of the 2½ ton steam crane, with the rest of the rails needing to be hauled into place by hand. Despite these setbacks, the rails were set to gauge and screwed down and the track levelled in time for the scheduled Christmas services to run, with the job being completed in the New Year.[2]

A more significant refurbishment was carried out over the winter of 1978-79, during which the steel bridge span itself was replaced as part of the program to upgrade the whole line to take heavier trains. The work was again carried out by a combination of the SVR's Permanent Way and Civil Engineering Departments. The old girders were lifted out and replaced by new girders, supplied by Rubery Owen & Co, using the 30 ton and 6 ton steam cranes positioned on each side of the bridge.[3]

In mid-1992 problems were noted with the bridge's abutments and the SVR’s consulting engineers recommended that they should be rebuilt. Shortly before this could be carried out, the bridge also suffered a vehicle strike.[4] In January 1993 the girders were again lifted out so that the necessary repair work could be carried out to the abutments. Completion of the work overran by one day, with the SVR running a 'replacement bus service' between Bridgnorth and Hampton Loade on Saturday 13 March, the first weekend of the 1993 season.[5]

In early 2008, a few days before the section of the line between Bridgnorth and Hampton Loade was due to reopen after repairs following the 2007 storm damage, the southern end of the bridge was found to be out of alignment by about 10cm following an unreported strike by a lorry. An emergency road closure was authorised while the 30 ton steam crane successfully relocated the end of the bridge on its bearings, allowing the reopening to take place on Saturday 9 February as planned.[6]

Since the railway was built, settlement has taken place in the approaches to the bridge and, being a fixed structure, differences in level developed. During the first phase of the project to refurbish the Locomotive yard which began in January 2023, earth-strengthening works were carried out to prevent future settlement behind the bridge abutments.[7] The track bed was dug out to a depth of a metre and rebuilt using a reinforced earth technique to give added strength, reducing lateral forces on the bridge's wing walls. New drainage was also installed. The old turnout was removed and a new turnout installed further north, off the bridge itself[8].

See also

References

  1. Marshall (1989) p. 104.
  2. 2.0 2.1 SVR News 31
  3. SVR News 51
  4. SVR News 104, 105
  5. SVR News 106
  6. Sowden (2012) p.44.
  7. Branch Lines December 2022
  8. Branch Lines January 2023