3 ms·
> 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 ferr
by SECProto 3y ago
> 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.
- LeonB 3y agoI remember one of my engineering lecturers giving a good rule of thumb as “your retirement date, plus 10 years”