Projects
The following information pages describe some of Cass Hayward's most prominent and award winning projects and illustrate our broad and varied portfolio.
| Year | Project | Description |
|---|---|---|
| 2023 | Dovey Junction UB1 | Refurbishment of Railway viaduct - timber and steel |
| 2023 | Calverley River Bridge | Refurbishment of concrete Arched Highway Bridge |
| 2023 | Devon Place Footbridge | Architectural footbridge over Newport Railway Station |
| 2022 | Peddimore Footbridge | New landmark 60m footbridge with inclined tied arches over the A38. |
| 2022 | Kings Dyke | New Prestress concrete Highway Integral Bridge over Railway and underpass |
| 2021 | Barmouth Viaduct | Timber Railway Bridge refurbishment and Temporary Works |
| 2020 | Whitley South | New Composite cable stay Road Bridge, concrete integral bridge and reinforced earth walls including SPMT Launch |
| 2020 | Cadoxton AFA | New Steel Footbridge with Access For All facilities including lift & stairs |
| 2019 | East Midlands Gateway | Steel and Concrete Integral Bridges with SPMT Launch Features in ICE East Midlands and Wales Cymru Awards |
| 2019 | LOCROS - Step Free Access | New Steel Footbridge and retrofitted lift at 3No London Stations. |
| 2018 | A249 Brielle Way, Sheerness | Steel and concrete composite Integral Bridge with Reinforced Earth Approaches on CMC piling |
| 2018 | River Artro Underbridge | Refurbishment of a 16 span Railway Underline Bridge viaduct in Mid Wales Features in National Rail Awards - Innovation of the Year |
| 2017 | A4232 Eastern Bay Link, Cardiff | Steel and concrete composite Highway Viaducts in a structure 850m long in a heavily congested corridor Features in CEW, NEC and Concrete Society Awards |
| 2017 | Port Salford Crossing, Manchester | 430 Tonne Steel Vertical Lift Bridge carrying a dual carriageway and a single lane tramway. |
| 2016 | Thorndell Viaduct, W. Sussex | Continuous precast concrete Railway Underline Bridge reconstruction in soft ground conditions Features in ICE SE England & Wales Cymru Awards |
| 2016 | Lee Valley Viaduct, London | Reconstruction, upgrading and including complex installation of 14 spans of Railway Underline Bridges Features in UK Rail Industry Awards |
| 2015 | Erwood Bridge Refurbishment, Powys | Intricate temporary Works scheme to support bridge deck whilst piers reconstructed below Features in BCI, CEW, ICE Wales Cymru Awards |
| 2015 | Stockley Flyover near Heathrow | Overseeing and checking Temporary Works design for launch of long span curved through truss over main line Features in British Construction Industry Awards |
| 2015 | Memorial Bridge, London | New Railway Over-line Bridge at Emanuel School designed for launching & special architectural treatment |
| 1997 to 2017 | Cambrian Lines’ Timber Viaducts | Upgrading & renewals of 9 timber Railway Underline Bridges including Barmouth Viaduct Features in National Rail Awards |
| 2014 | Adur Ferry Bridge, Shoreham by Sea | Replacement pedestrian/cyclist viaduct over River Adur with stayed Swing Bridge over navigation channel & architectural features Features in ICE SE England Engineering Excellence Awards |
| 2014 | River Cynon Viaduct Reconstruction | Replacement single track non-standard Railway Underline Bridge purpose-designed for offline reconstruction |
| 2014 | River Teme Bridge Reconstruction | Replacement twin track Network Rail standard design Railway Underline Bridge adapted for rapid implementation with new foundations. |
| 2007 to 2017 | Railway Gauge Clearance Projects | 25 new Railway Over-line Highway Bridges for gauge-clearance schemes for electrification and freight traffic |
| 2007 to 2017 | Railway Gauge Clearance Projects - Portals | New Railway Over-line Highway Bridges for gauge-clearance schemes for electrification and freight traffic including new precast concrete portal bridges for railway gauge-clearance |
| 2007 to 2017 | Railway Gauge Clearance Projects - Filler Decks | New Railway Over-line Highway Bridges for gauge-clearance schemes for electrification and freight traffic including new precast filler beam bridges for railway gauge-clearance |
| 2014 | Spring Bank West Underbridge Reconstruction, Hull | Single track non-standard Railway Underline Bridge & new foundations purpose-designed for direct track fixings and demolition/installation using heavy duty trailers Features in ICE Wales Cymru Awards |
| 2013 | Ouseburn Viaduct, Newcastle | Project to Extend the life of the 1869 Grade II* listed five-span spandrel arch railway underline bridge Features in National Railway Heritage Awards |
| 2013 | A14 Huntingdon Viaduct | Novel Temporary Works scheme design for lifting bridge strengthening components in restricted access area |
| 2013 | Streatham Common Station Overbridge | Special reconstructed span of Railway Over-line Bridge to gain clearance for platform extension below |
| 2011 | Reading Station & Elevated Railway | Design for Grip Stages 3 & 4 of the Railway Interchange Bridges forming the largest RC structure on the UK rail network. Also independent checking of the launched overhead concourse deck of the new station building |
| 2011 | Loughor Viaduct, Llanelli | Design for Grip Stages 3 & 4 of the Railway Underline Bridge for reconstruction of this listed estuarial viaduct |
| 2010 | Pont y Werin, Cardiff Bay | New pedestrian/cyclist viaduct over River Ely with Bascule Bridge over navigation channel & architectural features |
| 2010 | Black Rabbit & Peppering Bridges, Arundel | Replacement of Railway Underline Bridge decks for all three twin-track spans of each of the two bridges over the R. Arun in West Sussex. Designed for installation of all 12 decks in a single blockade of the tracks. Features in three categories in ICE SE England Awards |
| 2010 | A303 Andover Interchange | Three lane Integral Highway Bridge with full structural continuity at abutments |
| 2010 | Airdrie to Bathgate Rail Link | Two new Underline Railway Bridges and one Over-line Bridge redesigned as value engineering exercise |
| 2009 | Newcastle High Level Bridge | Independent checking for project to Extend the life of the 1849 Grade I listed six-span double-deck arch highway and railway underline bridge Features in ICE NE and Infrastructure Awards, National Railway Awards & Europa Nostra |
| 2009 | Angel Way Bridge, Bargoed | New 4-span Highway River Bridge including high level RC arch & redesigned as a value engineering exercise Features in ICE Wales Cymru Awards |
| 2009 | New Raynesway Bridge, Derby | New twin long-span Highway River Crossing with geometry controlled by flooding risk |
| 2007 | A249 Sheppey Crossing, Kent | New £30m, 1.25km long dual-carriageway Highway Viaduct in 19 spans 29m above The Swale Features in ICE SE England Awards, BCSA Steel Design Award and I Struct E Awards |
| 2007 | Dutch River Swing Bridge, Goole | Replacement Highway Viaduct over Dutch River with cable-stayed Swing Bridge over navigation channel Features in ICE (Yorkshire and Humberside) Awards |
| 2007 | Leven Rail Viaduct, Cumbria | Replacement of 98 decks for the 49 span Railway Underline Viaduct over Morecambe Bay using Cass Hayward value engineered design including for direct track fixing. Features in ICE North West & I Struct E Transportation Structures Awards |
| 2005 | Paddington Bridge Project | Prominent replacement four span Railway Over-line Bridge designed for integrated demolition and erection scheme involving launching of 3500 tonne assembly over tracks without any abnormal possessions. Features in BCIA, National Rail Awards, ICE London/Historic Bridge awards & I Struct E Transportation Structures Awards |
| 2004 | Newport Street Bolton | Iconic design for this replacement railway over-line bridge suspended from an asymmetric overhead arch. |
| 2002 | Underbridge 278 Newark Dyke Reconstruction | Prominent long span bowstring truss Underline Railway Bridge replacement designed for integrated demolition and erection scheme and the first UK bridge to be constructed with a design for high speed trains Features in ICE Awards, BCSA Steel Design Awards and National Rail Awards |
| 1998 | River Exe Viaduct Reconstruction | Three span twin track Underline Railway Bridge with special design for novel roll-in method on ball bearings |
| 1997 | A5140 Longholme Bridge Bedford | Elegant three span steel box girder Highway River Viaduct over the river Great Ouse at Bedford Features in BCSA Steel Design Awards |
| 1996 | A69 Haltwhistle By Pass Railway Viaduct | Curved & heavily skewed high level Highway Viaduct over Rail in 4 long spans each around 70m in length |
| 1996 | Bridge over River Avon, Warwick | Steel arch Bridge for Pedestrians and Cyclists over the River Avon in Warwick Winner of Warwick District Council Architectural Design Competition |
| 1995 | M602 Centenary Bridge, Salford | Vertical Lifting Bridge to carry the M602 over the Manchester Ship Canal Features in I Struct E Awards and was ICE Telford Medal Award Winner |
| 1995 | Waterloo International Terminal | Track support structures design as Railway Underline Bridges at station second floor level Features in BCIA Awards |
| 1995 | M74 River Annan Bridge, Scotland | Paired ladder-deck Highway Bridge over River with special jacked installation to avoid bearing uplift Features in Saltire Awards |
| 1993 | River Trent Railway Crossing, Gainsborough | Four-span replacement Railway Underline Bridge installed using unique methodology integrated into the permanent works design to avoid cost/risk of floating cranes Features in BCSA Steel Design Awards |
| 1990 | A53 Festival Park Flyover, Stoke on Trent | Four-span Highway Viaduct designed in ladder-deck form to minimise temporary works over live roundabout Features in ICE Project Awards |
| 1988 | A435 Simon de Montfort Bridge, Evesham | Three-span Highway Bridge River crossing & the first contemporary ladder deck bridge in UK Features in BCSA Steel Design Awards |
| 1986 | M4/M5 Interchange Viaducts near Heathrow | Three multiple span composite steel box girder Highway Viaducts as the principal structures of the motorway interchange Feature in BCSA Steel Design Awards |