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Railway Bridge at station 8+674


Under construction

Bridge with prestressed concrete box girder deck erected span by span

Saudi Railway Organization

Acciona Ingeniería S.A.

Total length: 717.5m each viaduct
Double track deck width: 12.5m
Single track deck width: 7.5m
Railway Bridge 8+674 is one of the bridges designed for the Segment A (Makkah – Jeddah) of Al Haramain High Speed Rail Link between Makkah and Madinah in Saudi Arabia.
Bridge 8+674 consists of two parallel structures carrying double and single track respectively. The span arrangement is the same for both structures: 21 spans 27+33+7x36.5+29+23+29+ 8x36.5+29m long, with a total length of 717.5 m from station 8+171.250 to station 8+888.750 (double track axis). This bridge allows the railway link to cross over several existing roads.
The deck is divided into three continuous sections separated by means of structural expansion joints. The first continuous section, 344.5m long, goes from abutment A1 to pier P10. Between pier P10 and P11 a simply supported span is provided, and the final section, from pier P11 to abutment A2 is 350m long. Each one of the decks consists of a post-tensioned box girder for the longest two continuous sections which the bridge is divided into and a reinforced box girder for the centr