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New life for old infrastructure: The Historic Bridges and Infrastructure Awards

Judges made awards and three commendations in this year’s Historic Bridges & Infrastructure Awards, which celebrate best practice and innovation in restoration projects.

Shoreham Tollbridge restoration

1. AWARD | Shoreham Tollbridge renovation, West Sussex

The 200 year old Grade II* bridge over the river Adur at Shorehamby- Sea was refurbished after deteriorating dangerously. Structural modelling allowed replacement of damaged timber.

Judges’ comments

“A radically improved user experience of a massive structure crossing a tidal estuary in a scenic and sensitive situation. Good assessment and judgement of what was worth saving. Skillfully and sympathetically delivered by an experienced contractor”

Owner West Sussex County Council

Contractor Mackley Construction

Consultant Royal Haskoning

Cragside Iron Bridge restoration

2. AWARD | Craigside Iron Bridge restoration

Restoration of Sir William Armstrong’s footbridge built in 1870 involved grit blasting the iron structure and strengthening it with steel plates.Four thousand rivets were removed and replaced and new handrail stanchions and parapets installed.

Judges’ comments

“Traditional techniques, augmented by innovative and discreet parapet strengthening, have restored this graceful and iconic structure to its former glory as the centrepiece of Sir William Armstrong’s estate”

Owner National Trust

Contractor Balfour Beatty

Consultant Scott Wilson

St George's Bridge restoration

3. AWARD | St George’s Bridge restoration, Norwich

Extensive restoration work on Sir John Soane’s 1784 structure had to take place while the bridge remained open to traffic. The work transformed the bridge, boosting tourism and the local economy.

Judges’ comments

“Great craftsmanship and innovative thinking”
“A well-planned, sustainable project, which has transformed and greatly enhanced the city centre street scene”

Team
Norfolk County Council (in-house design team ), East Coast Castings, Wensum Engineering, Ripblast Site Services

St Helena Bridge, Bolton

4. COMMENDED | St Helena Bridge, Bolton

This single span multi-ring brick arch barrel had a history of movement problems. Work included grouting stainless steel reinforcing bars into holes drilled through the face voussoirs and into the arch barrel, across cracks in the spandrel wall and in the arch barrel itself. Radial dowells were inserted to prevent ring separation.

Judges’ comments
“A heavily used city centre bridge strengthened with minimal traffic disruption”
“Very pleasing attention to detail”

Team

Bolton Metropolitan Borough, Garrity Associates, Bersche-Rolt, Aperio

Chiswick House Bridge restoration

5. COMMENDED | Chiswick House Bridge restoration

The bridge had suffered weathering and pollution damage. Restoration involved repointing cracked stones to prevent water ingress, cleaning using bristle brushes and replacing iron cramps with stainless steel dowells to secure stonework

Judges’ comments

“An exemplar of the minimum intervention philosophy” “The restoration project has made this graceful little bridge once more the focus of the Chiswick House classic garden”

Team

English Heritage, Dannatt Johnson Architects, Gifford, Cliveden Conservation

Strengthening of Rochester River bridge

6. COMMENDED | Strengthening of Rochester River bridge

This 200 year old lattice truss girder viaduct was corroded and under strength, so the top chord of the main trusses was strengthened. The whole bridge was blast cleaned and painted and repaired within a scaffolding supported cover.

Judges’ comments

“Access, environmental and operational difficulties required resourceful solutions to achieve the successful strengthening and refurbishment of this massive structure”

Team

Network Rail, Bam Nuttall, Mott MacDonald, Four Tees Engineering, Hadley Scaffolding, SMS (painting)

SHORTLISTED PROJECTS

Headstone Manor Bridge restoration Harrow Council

Rotton Park Reservoir spillway repair, Edgbaston British Waterways

Stanton Road Bridge repair, Gloucestershire Gloucester Warwickshire Steam Railway

A68 Station Road Bridge Refurbishment Jedburgh Transport Scotland

Tournament Bridge Restoration, Eglinton North Ayrshire Council

SPONSORS:

English Heritage, Network Rail, CSS Bridges Group, ICE PHEW, NCE

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