Bridge over the River Barrow. New Ross 2020.

2021 OUTSTANDING STRUCTURE AWARD
2021 INFRAESTRUCTURE CATEGORY AWARD
2022 OUTSTANDING CONCRETE STRUCTURE AWARD
2022 ACI EXCELLENCE IN CONCRETE CONSTRUCTION AWARD
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2023 PTI PROJECT AWARD OF MERIT IN BRIDGE CATEGORY

CFC Scope
Construction Design & Construction Engineering


Clients
BAM – IRIDIUM


Project Manager
Miguel Ángel Astiz Suarez


Project Manager CFC
Lucía Blanco Martín


Project Manager Arup
Marcos Sánchez Sánchez


Property
Transport Infrastructure Ireland


Construction
BAM – DRAGADOS


Year end of construction
2020


Typology
Extradosed bridges


Material
Concrete

The Barrow River Bridge at New Ross (Ireland) has a total length of 887.0 m and includes four extradosed spans and five approach spans at its east and west ends. The span distribution from west to east is 36m, 45m, 95m, 230m, 230m, 95m, 70m, 50m and 36m. The longer spans are partially supported by parallel stays arranged in a single plane and anchored to three pylons in the median. The two spans have a length of 230m, which is the longest concrete deck extradosed bridge built to date. The large-section stays are parallel, are grouped in a single central plane and pass through the towers by means of saddles. The prestressed concrete deck is a variable-edged box girder with large overhangs supported by precast slabs. In January 2016, the contract was signed for the design of an extradosed bridge to cross the River Barrow near New Ross in Ireland. It was a PPP type design-build tender for a 14 km highway in which the concessionaire companies are Iridium and BAM, the construction companies are Dragados and BAM Civil and the project is by Carlos Fernández Casado S.L. for the bridge over the Barrow River and by ARUP for the rest of the highway.

Project

Special calculation problems

Design and structural analysis of the construction process

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