Rehabilitation of Omaruru River Bridge, Namibia

Reviving a coastal landmark through innovative engineering and digital precision.

Client

Roads Authority (RA) Namibia

Project date

June 2014 - Ongoing

The Omaruru River Bridge, a key feature along the 180 km Swakopmund to Uis road, has faced repeated deterioration since its original construction in 1980. Situated just 2 km from the Atlantic Ocean, the bridge endured some of the harshest climatic conditions on the planet, leading to rapid concrete corrosion. Zutari, in joint venture with Bicon, was appointed by the Roads Authority to rehabilitate the structure as part of a major road upgrade.

The opportunity

The upgrade of the Swakopmund–Uis road provided an opportunity to secure the long-term functionality of the Omaruru River Bridge. Instead of resorting to full demolition and replacement or relying solely on temporary repairs, the project sought a sustainable, innovative solution that balanced cost-effectiveness, constructability, and durability.
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What we did

Zutari’s team combined advanced digital tools with practical engineering expertise to deliver a sustainable rehabilitation.

  • The design team used MIDAS Civil to create adaptable models that could be updated in real time with construction data, ensuring structural integrity at every stage.

  • The bridge was also modelled in 3D with Revit to generate accurate drawings and confirm element fit.


During construction, drone imagery and remote collaboration replaced in-person inspections restricted by COVID-19, allowing progress to be tracked closely. Instead of demolishing the entire structure, only the deck and pier seating beams were replaced, while the pier columns, pile caps, and abutments were retained in good condition.

A major innovation was changing the bridge configuration from a simply supported to a continuous deck system. This reconfiguration reduced the number of joints by more than 70% and the number of bearings by 20%, which significantly improved durability and lowered future maintenance needs.
Digital modelling and drone technology enabled precise bridge rehabilitation in one of the world’s harshest climates.

The outcome

The Omaruru River Bridge was successfully rehabilitated with a sustainable, future-proofed solution. The reconfiguration extended its design life, reduced maintenance needs, and safeguarded a vital transport link through Namibia’s environmentally sensitive Namib Desert. The upgraded road, now surfaced with a 7.4 m wide bitumen seal and gravel shoulders, provides safer access and economic connectivity for the region.

By rethinking conventional bridge rehabilitation methods, we achieved a sustainable solution that enhanced durability while reducing long-term maintenance.

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The Omaruru River Bridge rehabilitation illustrates Zutari’s ability to blend digital engineering, innovative problem-solving, and sustainable design. More than just restoring infrastructure, the project delivered resilience and reliability for Namibia’s transport network, ensuring that critical infrastructure withstands the test of time and environment.

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