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A comment on The Francis Scott Key Bridge in Baltimore, Maryland Has Collapsed. Parent comment

Re:The Francis Scott Key Bridge in Baltimore, Maryland Has C... by SECProto on Tuesday March 26, 2024 @08:27AM (#39826997)
> Bridges only last for roughly 50 years.

The bridge projects I've been on spec 75 or 100 years. Main difference is better protection/sacrificial depth on ferrous members.

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Re:The Francis Scott Key Bridge in Baltimore, Maryland Has C... by LeonB on Tuesday March 26, 2024 @09:14AM (#39827407)
I remember one of my engineering lecturers giving a good rule of thumb as “your retirement date, plus 10 years”
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