A19 Testo's Junction Improvement Scheme (Flyover)
South Tyneside, UK · 2019–2021 · £124.5 million (total scheme cost); £130 million (reported by NCE)
The judgement call
Account-gated at launchThe project aimed to significantly improve journey times and increase capacity at a congested junction. - Successful completion involved careful planning and execution of heavy lift operations for the flyover. - The scheme demonstrates a strategic investment in improving national road network efficiency.
Key engineering challenges
Raising the A19 over an existing roundabout to create a flyover. - Installation of a large, heavy bridge structure. - Maintaining traffic flow on a busy A-road during construction. - Integrating new local road connections and public rights of way.
Project facts
- Client / owner
- National Highways (formerly Highways England)
- Lead contractor
- Costain
- Lead designers
- —
- Project type
- new build | upgrade
- Scale
- 142m-long (or 143m) flyover bridge; 1,393t bridge installation
- Disciplines
- Civil; Structural; Geotechnical
- Standards & frameworks
- —
Sources: National Highways: https://nationalhighways.co.uk/our-roads/yorkshire-and-north-east/a19-testo-s-junction/ - Constructing Excellence: https://constructingexcellence.org.uk/a19-testos-junction-improvement-scheme/ - New Civil Engineer (2021): https://www.newcivilengineer.com/latest/costain-completes-a19-testos-flyover-for-highways-england-07-07-2021/ - Highways News (2021): https://highways-news.com/testos-a19-roundabout-flyover-opens-to-cars-after-two-years-of-work/ - Heavy Lift News (2021): https://www.heavyliftnews.com/iconic-a19-testos-junction-bridge-progress-with-cleveland-bridge-uk/