PSI - Issue 84

L. Fieno et al. / Procedia Structural Integrity 84 (2026) 1127–1135

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Overall, the estimated cost of the works amounts to approximately 3.500 €/m² of deck area. Below are some images, extracted from the design documents, relating to the interventions in question.

Figure 3: Steel plate bonding of the deck girders and fluid-viscous dampers between the abutment and Pier 1 and Pier 4;

Figure 4: Cutting of Piers 7 and 7’ with the insertion of lead-core elastomeric bearings; installation of similar devices and fluid-viscous dampers at the arch crown; The structure, also thanks to the rehabilitation interventions carried out over the years, does not show significant deterioration, except for some localized areas at the base of the arch.

Figure 5: Views of the structure and of the most significant deterioration areas;