Middle Lake Bridge, Sheffield Park

Location: Uckfield

Client: National Trust

Architect: N/A

Value:

Sheffield Park and Garden is a Grade I listed historic landscape renowned for its lakes, bridges and designed vistas.

The gardens were developed by the De La Warr family, with major landscape works undertaken by the Third Earl in 1876. Acquired by the National Trust in the 1950s, the estate remains a significant heritage attraction. Middle Lake Bridge forms an important crossing within the gardens, originally constructed with an arched structure above a Pulhamite cascade.

The bridge had undergone reconstruction in 1957 when the original arch failed, resulting in a concrete deck cast against the historic voussoir stones and a steel balustrade installation. Over time, this structure deteriorated significantly, with cracks forming in the concrete deck and sections of the stonework becoming unstable. Despite its deteriorated condition, the bridge needed to remain capable of supporting pedestrian use, maintenance vehicles and emergency access within a sensitive historic landscape setting.

A repair strategy was developed to strengthen the existing structure while minimising visual impact on the historic landscape.

Carbon fibre reinforcement was applied to strengthen the concrete deck and improve its structural capacity. Major cracks were stabilised using Cintec anchors installed across the damaged areas. The design allowed the retention of much of the existing structure while addressing safety and durability concerns. Repair works were carefully supervised by SFK Consulting.

The completed repair scheme stabilised the deteriorating bridge and extended its operational life while preserving its appearance within the historic gardens.

Structural strengthening enabled the bridge to safely accommodate vehicles up to 7.5 tonnes, allowing access for maintenance and emergency services such as small ambulances. The intervention ensured the continued functionality of a key route within the park while maintaining the character and integrity of this important heritage landscape.

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