Complex sentence: A 1993 truck accident damaged the bridge, requiring repairs to its guardrails; in 2006 a truck caused damage to the bridge's support beams in another accident; the damage was repaired within a week.
Split into simpler sentences: A 1993 truck accident damaged the bridge, requiring repairs to its guardrails. In 2006 a truck caused damage to the bridge's support beams in another accident; the damage was repaired within a week.