Lake Polyfytos Bridge

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Lake Polyfytos Bridge - Wikipedia

Coordinates: 40°13′58″N 21°58′26″E / 40.23278°N 21.97389°E

From Wikipedia, the free encyclopedia

Servia High Bridge Υψηλή Γέφυρα Σερβίων
The bridge over the artificial Lake Polyfyto of Haliacmon river
Coordinates	40°13′58″N 21°58′26″E / 40.23278°N 21.97389°E / 40.23278; 21.97389
Carries	GR-3/E65 (Athens - Lamia - Larissa - Kozani - Florina)
Crosses	Lake Polyfyto
Locale	Kozani regional unit, Greece
Owner	Government of Greece
Characteristics
Design	Cantilever bridge by Riccardo Morandi
Total length	1,372 meters (4,501 ft)
Width	13.5 meters (44 ft)
History
Constructed by	joint venture Xekte SA–Skapaneus SA.
Opened	6 November 1976; 48 years ago (1976-11-06)
Location

The Servia High Bridge (Greek: Υψηλή Γέφυρα Σερβίων, romanized: Ypsili Gefyra Servion) is one of the longest bridges in Greece, with a length of 1,372 m.^[1] Construction began in 1972 along with the artificial lake and was completed in 1975.

The bridge is a part of the GR-3/E65 (Athens - Lamia - Larissa - Kozani - Florina) and is located 15 km southeast of the city of Kozani and 5 km northwest of Servia. It is one of the two bridges of the lake; the other is the Rymnios Bridge to the southwest near Aiani and is smaller, with 615 m length.

Structural issues raised in 2020

In January 2020, and after visual inspections conducted by professor Stergios Mitoulis of infrastructuResilience, it was found that ageing, environmental stressors and increase in the traffic loads on the bridge potentially led to safety issues. Amid these concerns, traffic restrictions were enforced on the bridge. These preventive measures aimed to reduce the maximum load on the bridge and included banning vehicles heavier than 50 tonnes and reducing the vehicle speed limit to 40 kilometers per hour.^[3]

Professor Mitoulis noted following the inspection of the bridge that there were “vertical displacements on some of the bridge spans that are visible” and that “central simply supported segments of the deck are not well connected to the balanced cantilevers of the deck and hence there is a risk of falling.” Professor Mitoulis also explained that the simply supported spans need to be connected to the balanced cantilevers, whilst the movement of the latter seems to be the main issue that needs urgently addressing.^[4] Further studies included a recent publication^[5]

The bridge had been inspected in the past from the relevant ministry in 1995 after the Kozani earthquake, and again in 2012.^[6]

Gallery

The bridge of Polyphytos lake.
Polyphytos lake.

References

^ "Νομός Κοζάνης / Τεχνητή Λίμνη Πολυφύτου". Archived from the original on 2009-04-20. Retrieved 2008-02-09.
^ "Handbook of International Bridge Engineering"
Edited by Wai-Fah Chen, Lian Duan
2013 - CRC Press - ISBN 9781439810293
page 520: 12.3.6.2.2 Servia Bridge
^ "Concerns force traffic restrictions on Greece's second longest bridge". 14 January 2020.
^ "Digital technologies can enhance climate resilience of critical infrastructure – infrastructuResilience".
^ Markogiannaki, Olga; Xu, Hang; Chen, Fulong; Mitoulis, Stergios; Parcharidis, Issaak (2022). "Monitoring of a landmark bridge using SAR interferometry coupled with engineering data and forensics". International Journal of Remote Sensing. 43 (1): 95–119. Bibcode:2022IJRS...43...95M. doi:10.1080/01431161.2021.2003468. S2CID 245204794.
^ "Να ξεκινήσει η κατασκευή νέας γέφυρας στη λίμνη Πολυφύτου προτείνει ο περιφερειάρχης-Γιώργος Κασαπίδης: «Η γέφυρα αυτή έχει την κατασκευή του Μοράντι , της γέφυρας που έπεσε στη Γένοβα» - Πρωινός Λόγος Κοζάνη". Πρωινός Λόγος (in Greek). 2020-01-13. Retrieved 2020-02-08.

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