Romania
In May 2025, the city of Satu Mare inaugurated the Transylvania Bridge – Romania’s longest cable-stayed bridge. Spanning 644 m across the Someș River, the structure has become a new city landmark and provides urgently needed traffic relief between the southern and northern districts.
Name
Romania´s longest cable-stayed bridge strengthens infrastructure
Country
Romania
Fields of Expertise
Categories
Products
MC-Color Primer
MC-Color Flair pro
MC-Color Flex pure
Nafufill KMH
Nafufill KM 250
The bridge was built between 2020 and 2025 under the direction of STRABAG România. With two 73 m-high pylons and 56 steel cables arranged in a semi-harp configuration, the 644-m bridge features a main span of 195 m across the Someș.
In addition to four traffic lanes, the bridge includes pedestrian walkways with safety railings and a separate cycle path, a clear sign of modern, multimodal mobility. Designed to carry more than 12,000 t of traffic load, the structure represents an investment of around €40 million, underscoring its importance for the city’s development.
The project posed complex engineering challenges due to high technical requirements. Particular focus was placed on ensuring long-term durability of exposed concrete surfaces and meeting strict aesthetic standards. At the same time, numerous international partners had to be coordinated – from DYWIDAG in Germany, responsible for cable prestressing, to local construction and design firms.
To ensure the long-lasting durability of the concrete surfaces, STRABAG relied on the proven repair and surface protection systems of MC’s Nafufill and MC-Color product ranges. For optimal substrate preparation, a system comprising the bonding agent Nafufill KMH and the repair mortars Nafufill KM 250 and Nafufill KM 110 was applied to even out irregularities and create a homogeneous base for the subsequent coatings.
This was followed by MC-Color Primer to ensure excellent adhesion, and the protective coatings MC-Color Flex pure and MC-Color Flair pure, which provide comprehensive protection against carbonation, effectively preventing reinforcement corrosion. Both systems are highly resistant to UV exposure, frost and de-icing salts, which is a crucial advantage given the strongly fluctuating climate conditions in northern Romania. Moreover, they provide reliable protection against chloride ingress, which is particularly important for heavily trafficked bridge structures.
Thanks to technical support from MC’s local field service and close coordination with the selected specialist applicator, the project achieved the highest standards of quality and design. The decision to use MC-Bauchemie systems was based on confidence in product performance, comprehensive service and the company’s proven partnership with the project stakeholders.
With the inauguration of the Transylvania Bridge on 30 May 2025, Satu Mare gained not only an engineering masterpiece but also a symbol of progress and connection. The bridge shortens travel times, facilitates the movement of goods and people, and enhances the quality of life for residents.
For MC-Bauchemie Romania, this project represents another strong reference in the field of infrastructure construction. Combining high-performance product systems with technical expertise, the result is a structure built to last for decades and a new landmark that will shape the face of the city for generations to come.
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