ARCUS — Bridge Failure Research

ARCUS Atlas record

Bridge over Lys stream

Total collapse of a municipal bridge over the Lys stream in Issime (Aosta, Valle d'Aosta) on 13-16 October 2000. The Regione VdA Casa e Pericoli register for Issime explicitly documents the collapse of the Ponte del Giubileo during the October 2000 alluvione, which devastated the Val del Lys with 320mm of rainfall. Total collapse during the catastrophic alluvione of 13-16 October 2000 in Valle d'Aosta, which caused 20 deaths and €1.5 billion of damage. The Regione VdA documentation explicitly records bridge collapses across the Lys valley (Issime) during the event, which produced 320mm rainfall in the Lys basin and 456mm in Cogne — both well above the 220mm regional average. No fatalities directly attributed to this specific collapse. Database ponti fluviali danneggiati di D'Angelo, Ballio & Ravazzani (2025), IJDRR, suppl. S3, record P187 (dec=1; abbinato per anno 2000 + coordinate, dist. 0.00 km): processo = erosione laterale di sponda; componenti danneggiate = non specificate; evidenza di sormonto = no.

ARCUS ID
IT00.10.42
Date
2000-10-13
Municipality
Issime
Province
Aosta
Region
Valle d'Aosta (Valle d'Aoste)
Coordinates
45.6771, 7.8571 · exact location
Crossing
Lys stream
Use
Municipal
Severity
TC
Structural type
Beam bridge
Material
Reinforced concrete
Cause category
Natural
Specific cause
Hydraulic
Failure trigger
Flood
Failure process
Bank erosion / embankment failure
Cause evidence
Documented
Source confidence
High
Victims
0
Injuries
0

Documentary sources (3)

  1. Alluvione ottobre 2000 in Valle d'Aosta – documentazione ufficiale (Official/Technical · Regione Valle d'Aosta · 2002-10-16)
  2. Issime – Casa e pericoli: crollo ponte del Giubileo durante alluvione 2000 (Official/Technical · Regione Valle d'Aosta · 2002-10-16)
  3. 10 anni fa alluvione Nord-Ovest – Valle d'Aosta: 20 morti, ponti distrutti (News · ANSA · 2010-10-13)

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