Cotswold Canals in Pictures

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Cotswold Canals Restoration - Phase 1B

The Phase 1B restoration section of the Cotswold Canals covers a distance of about 6.1 km (3.8 miles) of the Stroudwater Navigation. This is between Saul Junction, with its connection to the national waterways network, and Ocean Railway Bridge in Stonehouse (see Phase 1B route).

Despite the relatively short distance, there are some significant challenges to overcome. These include obstructions due to the M5 motorway, the A38 (road) and a main-line railway.

The main elements of this restoration phase will likely include:

Funding

The Cotswold Canals Trust submitted a Phase 1B bid to the Heritage Lottery Fund (HLF) in November 2015. Unfortunately this bid was rejected in May 2016. A previous bid for £13.6m of HLF funding for Phase 1B was also unsuccessful in May 2012.

It is expected that a revised HLF bid led by Stroud District Council will be submitted in November 2017. Should this bid be successful, support funding will also be available from:

The Cotswold Canals Trust will also contribute cash and volunteer resources.

Phase 1B Restoration in more detail

This section gives an overview of the work likely to be required to fully restore the canal between Saul Junction and Stonehouse, which would then link Stroud to the national waterways network.

For convenience, the route has been split into three sections heading from west to east:

In addition to the detail given below, other work would be required including upgrading or re-instating the towpath, dredging existing sections of canal and other smaller engineering works.

Saul Junction to A38 (Road)

Bridges

Walk Bridge: This low-level fixed road bridge is the first major obstruction when travelling east from Saul Junction. This would need to be replaced, preferably with a new fixed high-level bridge.

Whitminster Bridge: Adjacent to Whitminster Lock this was once a farm access swing bridge, which is no longer operational. A Public Right of Way (EWH/21/3) crosses the canal here. This will likely be replaced with a lift bridge similar in design to Lodgemore Bridge in Stroud - due to be installed in Q4 2015.

Stonepitts Bridge: This former farm access hump-backed bridge has long since been demolished and would need to be replaced. A Public Right of Way (EWH/21/3) crosses the canal here. This again is likely to be replaced with a Lodgemore-style lift bridge.

Occupation Bridge: Carries a farm track over the canal and appears to be in good condition.

Whitminster Lock

Partly restored by the Cotswold Canals Trust in the 1990s, the work on this lock would need to be completed.

Canal and River Frome

East of Whitminster Lock for a distance of about 660m the canal line, which used to run parallel to the River Frome, has been lost. Near the point where the canal reappears there used to be Lockham Aqueduct which carried the Frome under the bed of the canal.

The restored canal is likely to share the river course along this stretch, which was in fact the case when the canal was first built. (The canal was later separated to avoid constantly silting-up.)

Stroudwater Navigation shares the River Frome course

Oil Pipeline

An oil pipeline crosses the canal near Occupation Bridge and would be an obstruction to navigation. This therefore needs to be re-routed under the canal bed.

A38 to Meadow Mill

This section would be the most costly to restore. The yellow items on the map below indicate where significant new structures would be built, including a new canal channel under an existing M5 underpass used by the River Frome.

Proposed new canal route near M5 (indicative only)

A38 (Bristol Road) Bridges

The original route of the canal now bisects the A38/A419 roundabout in the top left corner of the above map. The original Bristol Road Lock is believed to be buried under the roundabout.

It is anticipated that the canal would pass under the roundabout, and therefore two separate bridges would need to be constructed.

New Canal Channel

The original canal route between the A38 and Westfield Bridge/Lock was infilled when the M5 motorway was built, and is represented by the broken brown line on the above map. Also shown is the site of Hyde's Bridge - long since demolished.

A new channel would be cut along the approximate route indicated by the black line on the map.

Replacement Bristol Road (BR) Lock

A new lock would be constructed to replace an original which is buried under the A38. The replacement lock would have less of a fall due to the insertion of a new 'M5 Lock' east of the M5.

M5 River Frome Underpass & New Canal Channel

To prevent the huge expense and disruption of constructing a purpose-built canal bridge across the M5, one solution is to use the existing River Frome underpass.

A new concrete canal channel would be added alongside the river, as well as a new towpath. As will be seen from the illustration below, the level of the canal would be lower than the normal river level, to achieve the required headroom.

A consequence of this approach is that during times of flooding, the canal channel would be unusable.

Cross-section through River Frome M5 underpass (not to scale)

New M5 Lock

A new lock would be required just east of the M5 in order to lower the level of the canal to provide sufficient headroom (>2.4m / 8ft) through the M5 River Frome underpass.

Westfield Bridge and Lock

Westfield Bridge is in fair condition and carries a Public Right of Way (EEA/37/2) over the canal.

The lock, which has been infilled, is believed to be only partly intact due to significant structural damage that may have been caused when the Oldbury Brook channel was constructed (see below). Only when the infill has been removed will it become clear how much restoration and/or re-construction work is needed.

Oldbury Brook

The Oldbury Brook originally flowed into the canal at Meadow Mill and flowed out using the Meadow Mill spill weir.

After canal abandonment, a new deep channel for Oldbury Brook was cut through the canal line at the tail of Westfield Lock, and the canal is now infilled either side.

It is likely that Oldbury Brook would be routed under the canal when this section is restored.

Oldbury Brook cutting across the canal line with Westfield Bridge (buried lock in between)

Meadow Mill to Ocean Railway Bridge

Locks

The four locks in this section (Dock, Pike, Blunder & Newtown) are in fair or good condition. Newtown and Blunder are operational, but Blunder Lock would probably require new top gates.

Dock and Pike Locks have been partly restored previously, but have not been operational since canal abandonment. Both require further repairs, paddle gear and gates.

Road Bridges

There are three road bridges in this section; Pike, Roving and Bond's Mill.

Pike Bridge was rebuilt in 2005 and Roving Bridge has been well maintained in recent years.

Bond's Mill bridge, once a swing bridge, was replaced in 1994 with an all-plastic hydraulically-operated lift bridge.

This bridge is no longer operational, and one of the options is to replace it with a lift bridge similar to that at Lodgemore.

Ocean Railway Bridge

The most significant item in this section is a new railway bridge at Stonehouse. This would be constructed by Network Rail and would have to be scheduled into their long-term engineering plan.