/ Research & Articles
Tarnava Viaduct, steel arch railway structure
The Tarnava River Bridge is part of the rehabilitation works on the Brașov–Simeria railway line, within the Sighișoara–Coșlariu section in Romania. This line belongs to the IV Pan-European Corridor, is double-track, and has a design speed of 160 km/h. The new bridge crosses the Tarnava River near the city of Sighișoara by means of a […]
Cullera Viaduct: Concept, design and instrumentation.
A double bowstring arch typology with a 90 m span has been designed to carry the A-38 motorway over the Júcar River. Longitudinally, a continuous configuration of five spans has been adopted, with a total length of 216 m (27 + 36 + 90 + 36 + 27 m). The deck width allows for a […]
Marineda footbridge, urban connectivity enhancement
Designed with smooth and slender forms, Marineda footbridge in A Coruña (Spain) is a composite structure for pedestrians and cyclists that solves the access to one of the largest shopping centers in Spain, flying above a high-traffic highway. The maximum deck height and the geometry in plan were established by the necessary vertical clearance over […]
A bridge over the Danube, Žeželj Viaduct.
The Žeželj Bridge is a structure 474 meters long and 31.44 meters wide, designed for both road and railway traffic, spanning the Danube River as it passes through the city of Novi Sad (Serbia). The two central spans are solved with two bowstring-type steel arches of 180 and 220 meters span, supporting a composite steel–concrete […]
Las Truchas Bridge, complex construction challenges
The most relevant characteristics of the project for Las Truchas Bridge, part of the new Jala – Puerto Vallarta toll motorway. Section: Compostela – Las Varas in the State of Nayarit (Mexico) are described inthe present article. The steps related to the different design stages, from the initial conception to the final solution of the […]
Zabaleta, Larrazabal and Kinatoi viaducts, complex high-speed railway structures
The viaducts over Zabaleta an Larrazábal streams and the Kinatoi viaduct are located on the section Elorrio – Atxondo, which is part of the HSL Vitoria – Bilbao – San Sebastián. Both structures support the double track railway of the Vitoria – Bilbao connection in the so-called Basque Y. The two viaducts have a continuous […]
Mondariz Bridge, structural rehabilitation and strengthening
The work carried out on the Mondariz Bridge located on the PO-254 road (T.M. Mondariz – Mondariz Balneario, Pontevedra) over the Xabriña river is detailed. During the Main survey, several pathologies were detected in the structure that forced the traffic to be cut off. After an exhaustive testing campaign and structural modelisation, the repair and […]
Santa Marta Bridge, structural failure and emergency reconstruction
The work carried out on theSanta Marta Bridge, located at KP 6+450 of the PO-300 road (T.M. Vilanova deArousa – Ribadumia, Pontevedra) over the Umia River, is detailed. The former bridge crossed the river with an intermediate metal arch with a lower footbridge hanging from it. On April 18, 2023, it was closed to traffic […]
Zumelegui Viaduct, high-speed railway continuous box girder structure
The Zumelegui viaduct is located on the section Elorrio – Elorrio, which is part of the HSL Vitoria –Bilbao – San Sebastián. It is a 481-meter-long balanced cantilever bridge, divided in 7 spans, and with a maximum length of 85 meters. It allows passage over the current N-636 road, considering its future extension as well, […]