1635yankee
Recovering aeronautical engineer
- Joined
- 18 August 2020
- Messages
- 415
- Reaction score
- 495
Considering that some First World countries have trouble keeping their bridges intact, I'd not bee too hard on Korea or Japan. Witness, say, the I-35W Bridge Collapse (https://www.lrl.mn.gov/guides/guides?issue=bridges), the recent collapse in Pittsburgh (https://abcnews.go.com/US/bridge-collapses-pittsburgh-injuries-reported/story?id=82531541), the Silver Bridge collapse (https://www.wvpublic.org/radio/2019-12-15/the-silver-bridge-collapses-killing-46-december-15-1967), or this closed bridge in Memphis (https://www.npr.org/2021/05/12/9964...s-indefinitely-closed-disrupting-supply-chain)
Bridges are fatigue-loaded structures. In the US, many were designed and built before the increase in permitted truck weights under the Reagan administration with no corresponding increases in maintenance spending or funding to replace them when their now severely diminished service lives expired.
Bridges are fatigue-loaded structures. In the US, many were designed and built before the increase in permitted truck weights under the Reagan administration with no corresponding increases in maintenance spending or funding to replace them when their now severely diminished service lives expired.