Three-week Ponfeigh Bridge installation shown in 45-second video

A time-lapse video has been unveiled which shows the new Ponfeigh Bridge being delicately pushed out over the Douglas Water and lowered into position.

Contractor I & H Brown captured the images as the 36m span was put into position.

The new crossing both replaces and improves the previous bridge as there will be no weight restriction imposed on the new bridge (the old bridge had a 10 tonne weight restriction). The new structure can accommodate abnormal vehicles up to 80 tonnes in gross weight and the structure also carries a 4.2m wide carriageway and a separate footway with a width of 1.2m over the Douglas Water.

The structure is supported on newly constructed reinforced concrete abutments, each bearing onto 14 reinforced concrete piles.

The time-lapse video shows how the bridge was assembled on site before being pushed out over the crossing from a specially created platform. A purpose built counterbalance ensured it stayed on track.

Once precisely aligned with the weight bearing abutments, the bridge was lowered on to the four plinths. The operation to instal the span was carried out over a total of three weeks.

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