Bridges We are proud to claim that Ergon is unique in the field of manufacturing bridge beams. We continuously emphasise our production capacity, know-how and craftsmanship, which enables us to manufacture bridge beams with spans of up to 60 metres and weights of up to 250 tons. Ergon combines all the existing prestressing techniques, i.e. pretensioning, post-tensioning and preflexing (incorporated steel beams), with the use of high strength concrete (100 N/mm²).
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