Since September, when the county borough was hit by extreme flooding, extensive repair work to stablise sections of the B4276 and the massive culvert below the surface have proved a major undertaking.
A main drainage pipe below the road collapsed, causing a void beneath the surface approximately six metres long, five metres wide and four metres deep across the carriageway.
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But the damaged section of the culvert downstream has now been repaired and the carriageway itself is currently being reinstated.
The scheme involved the total replacing of the section of the collapsed culvert, the strengthening of substantial sections of the masonry arch and rebuilding of internal walls and access chamber.
Staff from Rhondda Cynon Taf Council's Highways and Streetcare imposed a strict three-tonne weight limit on the highway from Bavistock’s Hotel to Harriet Street roundabout after a deep hole appeared during the recent flooding.
This has now been lifted although temporary traffic signals will remain in place for approximately two weeks until the roadworks themselves are completed.
(CD/JM)
