Mitcham Bridge
Mitcham Bridge | |
|---|---|
 | |
| Coordinates | 51°23′43″N 0°10′24″W / 51.39528°N 0.17333°WCoordinates: 51°23′43″N 0°10′24″W / 51.39528°N 0.17333°W Fatal error: The format of the coordinate could not be determined. Parsing failed. |
| Locale | Mitcham, London |
| Maintained by | Merton London Borough Council |
| Characteristics | |
| Design | Three Arch Masonry Bridge |
| Material | Brick |
| Total length | 22 m (72 ft) |
| Width | 10 m (33 ft) |
| Height | 1.7 m (6 ft) |
| Piers in water | 2 |
| No. of lanes | 2 |
| History | |
| Construction end | 1789 |
| Collapsed | 14 June 2019 |
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The Mitcham Bridge is a bridge in Mitcham, London, United Kingdom. It crosses over the River Wandle, and is on an A Road (A217 road) with Bishopsford Road on the south side, and London Road on the north side of the bridge.
Flood
 | |
| Date | 10 June 2019 |
|---|---|
| Location | Mitcham, London, United Kingdom |
On 10 June 2019, a flood occurred while bridge surfacing work was being undertaken. Acrow props had been placed under the bridge to support the weight of the works above, which trapped debris (branches, weeds, etc.).[1]
Collapse
 | |
| Date | 14 June 2019 |
|---|---|
| Location | Mitcham, London, United Kingdom |
| Also known as | Bishopsford Road Bridge |
| Cause | Flood during structual work |
| Deaths | 0 |
| Non-fatal injuries | 0 |
| Missing | 0 |
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During the flood, the acrow props caused Bridge scour (eroding) up to 4m deep and undermined the foundations of the bridge. This led to the partial collapse of the northern arch on 14 June 2019. The southern arch was unaffected and the central arch suffered minor structural damage. Due to the collapse of the bridge, the road continued to be closed until options appraisals to repair or replace the bridge have been completed.[2]
Post collapse, investigations and reactions
Merton London Borough Council is working with FM Conway and the Environment Agency and has focused their attention on stabilising the remaining structure to prevent further damage and make the bridge safe for inspections and for workers to carry out repairs.
They have completed crack-injection and underpinning works below the bridge to stabilise the central arch. The scour hole on the upstream side of the bridge has been filled with stone and gravel. The scour hole under the northern arch has been filled with marine concrete to stabilise the northern arch and create a safe platform for further works.
Works have since stopped while insurance investigators inspect the remains to determine blame.
Technical specification
The bridge was a triple arch Masonry Bridge made of brick. It had a length of 22 meters, a width of 10 meters and a passage height of 1.7 meters.
See also
References
- ↑ "Homeowners left with severe flood damage after river bursts banks". Evening Standard. Jun 21, 2019. Retrieved Oct 30, 2019.
- ↑ "Homes evacuated and people left without water after BRIDGE collapses in Mitcham". Wimbledon Times. Retrieved Oct 30, 2019.
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