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20.07.2026

Construction of the bridge over the Formin HPP canal is progressing well

Construction of the 270 m long bridge over the Formin HPP canal is progressing well. The bridge, which spans a canal with a water depth of 8 to 14 m, is being built using balanced cantilever construction technology with spans of 77.5 m + 114 m + 77.5 m. Following the completion of all ten segments on the left intermediate support, work has now moved to the right intermediate support. Here, concreting is also being carried out progressively from the column in both directions in a symmetrical sequence, using a pair of cantilever construction trolleys that support the formwork, reinforcement, and freshly placed concrete.

The construction of the main two-lane road from Markovci to Ormož has been underway since August 2024. On the 16.09 km long section, in addition to the bridge over the Formin HPP canal, Ponting Bridges also designed the already completed, 195 m long Sejanca viaduct and the 83 m long Ormož overpass. The new section will significantly improve the transport system in the Podravska region and traffic safety.

The construction of the already completed Sejanca viaduct was suspended in 2009 due to the economic crisis and the collapse of the main contractor. Due to changed conditions and the reconstruction of the railway line, it was necessary to change the primary design of the viaduct. Designed by Ponting, the viaduct was built in 2020 and competed in 2025, enabling the construction site traffic and the delivery of bulk material from the Sejanca viaduct to the Formin hydroelectric power plant canal.

The contractor of the works is a consortium of companies Pomgrad, VOC Celje and Cestno podjetje Ptuj, the investor is the Motorway Company of the Republic of Slovenia (DARS), and the engineer is DRI Ljubljana. The section is expected to be completed in early 2027.

Project details: Bridge over HPP Formin canal