Nagyrákos Viaduct, Railway viaduct in Zala County, Hungary

The Nagyrákos Viaduct is a railway bridge stretching about 1,400 meters across the landscape of Zala County. It spans a valley as part of the railway line connecting Bajánsenye, Zalaegerszeg, Ukk, and Boba.

Rail service between Zalalövő and Bajánsenye ceased on 18 October 1980, cutting off the Őrség region. After 1995 the MÁVTI Kft. won the design contract, and the Őrség route was chosen over Szentgotthárd and Rédics variants. The foundation stone was laid in 1999 by the prime ministers of Hungary and Slovenia; the viaduct was built in 14 months and the new line opened on 17 May 2001.

The viaduct carries the Őrség railway, rebuilt on a new alignment after the 1980 closure of the Zalalövő–Bajánsenye line cut the Őrség off from the rest of Hungary. Its opening on 17 May 2001 restored a direct rail link with Slovenia, and the line was electrified in 2010. A memorial plaque was unveiled at the viaduct on 17 March 2003.

The viaduct is visible from nearby roads and local viewpoints around the valley area. The best views are from the surrounding landscape, particularly when trains cross the structure.

The viaduct rests on 33 pillars and reaches a maximum height of nearly 12 metres above the Zala valley and the 7417 road. Its deck is a prestressed concrete box-girder bridge made of three parts: a straight 16-span section, a 14-span section on a 2300-metre radius curve, and a two-span link between them.