# 1648: "Why Are Manhole Covers Round?"

Page: https://stenobird.com/podcast/interesting-things-with-jc-5049896/1648-why-are-manhole-covers-round
Text version: https://stenobird.com/podcast/interesting-things-with-jc-5049896/1648-why-are-manhole-covers-round.md
Podcast: [Interesting Things with JC](https://stenobird.com/podcast/interesting-things-with-jc-5049896)
Published: 2026-05-10T07:00:47+00:00
Episode link: https://jimconnors.net/interesting-things-with-jc/2026/5/10/1648-why-manhole-covers-are-round
Audio file: https://static1.squarespace.com/static/5bba2d6fca525b3efa21591f/t/69ffc4a55375d140d88231f1/1778369707527/1648+-+Interesting+Things+-+Why+Are+Manhole+Covers+Round.mp3
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JSON: https://stenobird.com/v1/public/podcasts/interesting-things-with-jc-5049896/episodes/1648-why-are-manhole-covers-round
Duration seconds: 147

## Resource

Interesting Things with JC #1648: "Why Are Manhole Covers Round?" – A heavy cover sits over a city access hole, but its shape keeps it from dropping into the tunnel below; the same circle also spreads traffic force and lets workers roll 90-to-250-pound cast iron through the street. This episode is inspired by Mr. Paul.

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## Transcript

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