The Contreras Bridge, a high-speed railway bridge over the Contreras Reservoir in Villagordo Cabriel, Spain, is an upper deck arch bridge with a main span of 261 m, the sag at midspan is 36.94 m the sag-span ratio is 1/6.77. At this moment this bridge is the longest span arch railway bridge in Europe. The arch is founded over important plinths and footing to transmit the total load to the rock.
The viaduct consists of two main sections with a total length of nearly 400 metres. The sections are supported on concrete pillars rising from the banks of the river and on steel arches in the centre. The arches span 220 metres and are 42.6 metres high.
High speed railway bridge
Concrete arch. Prestressed concrete deck
Main span: 324 m.
Total length: 1500 m
The bridge is 80m long, 18m wide and replaced the old bridge which was only 55m long. The new bridge was built next to the old one and then skidded about 11.25m into the position of the old bridge. After the skidding it had to be lowered about 535mm into its final position.
Concrete warren type truss bridge cantilever construction with precast segments
The 546 m total span length of this bridge is divided into two areas. The first one corresponds to the approach span stretch, it is 162 m long and is made of one 16 m long span and six 24 m long ones. The second area is 384 m long. It becomes a great bridge over the river, made of six spans: 42 m + 60 m + 120 m + 2x 60 m + 42 m. Both areas are completely united with no joints between them.
Basarab cable stayed bridge is part of Basarab Flyover Bypass in Bucharest, which, and consists of a road, a tramway and a multimodal station. The structure consists of a cable stayed bridge, with a 170 m main span over several train racks, and a train and metro station, sided by a couple of secondary viaducts.