Respuesta :

iisunsetbearx

Answer:

1: the unsteadiness of the bridge when it was builded

2:the architecture behind the bridge (like how uneven it was)
3: how old the bridge is

Explanation:

kobayashiakihito0

Answer:

1.Earthquake. Earthquakes cause damage to all structures, including bridges. ...

2.Flood

3.Construction and Demolition Incidents. ...

4.Natural disasters. ...

5.Structural trauma caused by earthquakes, floods and fire