Drammen City Bridge foundations: coordination lessons for bridge engineers
Reviewed by Tom Sullivan
First reported on New Civil Engineer
30 Second Briefing
Drammen City Bridge in Norway, named NCE’s 2026 International Bridge Project of the Year, was delivered as one continuous structure despite being split between two clients and design–build teams on opposite riverbanks. Engineers coordinated differing contractual and design standards through a shared global model and common geometry control, allowing foundations to be rationalised and constructed without temporary works clashes. The project shows how early agreement on pile locations, bearing types and movement joints can de-risk complex multi-party bridge foundations in constrained urban river settings.
Technical Brief
- Foundation piles were installed from both riverbanks under live urban constraints and tight navigation clearances.
- A common 3D global model was used to coordinate reinforcement cages, pile caps and pier geometry.
- Designers locked pier centre-lines and bearing plinth levels early, preventing misalignment at mid-river closure.
- Geotechnical parameters and load models were reconciled between two separate contracts to avoid conflicting partial factors.
- Construction sequencing for cofferdams, scour protection and pile driving was jointly planned to prevent barge and crane clashes.
- Survey control relied on a shared datum and coordinated monitoring points, limiting cumulative setting-out error across the span.
- Safety risk registers were integrated across both design–build teams, aligning temporary works approvals and permit-to-work processes.
Our Take
New Civil Engineer’s focus on bridges in its awards portfolio and the Beyond Design Early Careers Bridges Challenge suggests that case studies like Drammen City Bridge are likely to be reused as reference projects in UK bridge design and retrofit discussions, especially around constructability and safety in constrained urban settings.
The 2026 NCE International Bridge Project of the Year recognition positions Drammen City Bridge alongside themes raised in NCE’s BIM and asset-management webinar coverage, implying that its ‘smart engineering decisions’ around foundations may also be tied to more rigorous digital planning and construction sequencing than is typical on mid-scale European crossings.
Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.
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