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The bridge was conceived while Leonardo da Vinci was under the patronage of [[Cesare Borgia]], and its plans are found in the ”[[Codex Atlanticus]]” (folios 69 AR and 71 V)<ref>{{Cite journal |last=Geddes |first=Leslie |date=2016 |title=20 Drawing Bridges: Leonardo da Vinci on Mastering Nature |journal=Illuminating Leonardo |doi=10.1163/9789004304130_022}}</ref>. The sketch of the bridge depicts a self-supporting structure requiring neither nails nor ropes for assembly<ref>{{Cite journal |last=Maide |first=Bucolo, |last2=Arturo |first2=Buscarino, |last3=Carlo |first3=Famoso, |last4=Luigi |first4=Fortuna, |last5=Salvina |first5=Gagliano, |date=2020-09 |title=Automation of the Leonardo da Vinci Machines |url=https://www.mdpi.com/2075-1702/8/3/53 |journal=Machines |language=en |volume=8 |issue=3 |doi=10.3390/machine |issn=2075-1702 |archive-url=http://web.archive.org/web/20250519033751/https://www.mdpi.com/2075-1702/8/3/53 |archive-date=2025-05-19}}</ref>. Cesare Borgia employed da Vinci as a [[Military engineering|military engineer]] and [[architect]], and this type of bridge was likely designed to enable troops to cross rivers quickly with a structure that could be set up in minutes and collapsed by removing any single piece<ref>{{Cite web |title=The Ingenious Engineering of Leonardo da Vinci’s Self-Supporting Bridge, Explained with Animation {{!}} Open Culture |url=https://www.openculture.com/2024/12/the-ingenious-engineering-of-leonardo-da-vincis-self-supporting-bridge-explained.html |access-date=2026-01-28 |language=en-US}}</ref>. |
The bridge was conceived while Leonardo da Vinci was under the patronage of [[Cesare Borgia]], and its plans are found in the ”[[Codex Atlanticus]]” (folios 69 AR and 71 V)<ref>{{Cite journal |last=Geddes |first=Leslie |date=2016 |title=20 Drawing Bridges: Leonardo da Vinci on Mastering Nature |journal=Illuminating Leonardo |doi=10.1163/9789004304130_022}}</ref>. The sketch of the bridge depicts a self-supporting structure requiring neither nails nor ropes for assembly<ref>{{Cite journal |last=Maide |first=Bucolo, |last2=Arturo |first2=Buscarino, |last3=Carlo |first3=Famoso, |last4=Luigi |first4=Fortuna, |last5=Salvina |first5=Gagliano, |date=2020-09 |title=Automation of the Leonardo da Vinci Machines |url=https://www.mdpi.com/2075-1702/8/3/53 |journal=Machines |language=en |volume=8 |issue=3 |doi=10.3390/machine |issn=2075-1702 |archive-url=http://web.archive.org/web/20250519033751/https://www.mdpi.com/2075-1702/8/3/53 |archive-date=2025-05-19}}</ref>. Cesare Borgia employed da Vinci as a [[Military engineering|military engineer]] and [[architect]], and this type of bridge was likely designed to enable troops to cross rivers quickly with a structure that could be set up in minutes and collapsed by removing any single piece<ref>{{Cite web |title=The Ingenious Engineering of Leonardo da Vinci’s Self-Supporting Bridge, Explained with Animation {{!}} Open Culture |url=https://www.openculture.com/2024/12/the-ingenious-engineering-of-leonardo-da-vincis-self-supporting-bridge-explained.html |access-date=2026-01-28 |language=en-US}}</ref>. |
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== References == |
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Revision as of 16:56, 28 January 2026
Leonard da Vinci’s self-supporting bridge is a bridge design from the Codex Atlanticus (written between 1478 and 1518) with the unique feature of requiring no nails, dowels, or ropes in its construction. The structure (only theorized by da Vinci) is held together solely by the compressive forces from its own weight and the friction between its wooden components.
Description
The bridge is designed to be assembled and disassembled very quickly. Its main structure consists only of wooden beams of similar dimensions, and no tools are needed for assembly[1].
The bridge was conceived while Leonardo da Vinci was under the patronage of Cesare Borgia, and its plans are found in the Codex Atlanticus (folios 69 AR and 71 V)[2]. The sketch of the bridge depicts a self-supporting structure requiring neither nails nor ropes for assembly[3]. Cesare Borgia employed da Vinci as a military engineer and architect, and this type of bridge was likely designed to enable troops to cross rivers quickly with a structure that could be set up in minutes and collapsed by removing any single piece[4].
References
- ^ Alves Lamberti, Lucas; Della Pace, Rafael Domingues; Tavares Cardoso, Lucas; Fernanda Perius, Carla; Beck, Fábio; Pauletti, Diogo (2024-01-04). “Structural analysis and design of a self-supporting wooden bridge designed by Leonardo Da Vinci”. Revista Ciência e Natura. 46: 1. doi:10.5902/217946086798. ISSN 0100-8307.
- ^ Geddes, Leslie (2016). “20 Drawing Bridges: Leonardo da Vinci on Mastering Nature”. Illuminating Leonardo. doi:10.1163/9789004304130_022.
- ^ Maide, Bucolo,; Arturo, Buscarino,; Carlo, Famoso,; Luigi, Fortuna,; Salvina, Gagliano, (2020-09). “Automation of the Leonardo da Vinci Machines”. Machines. 8 (3). doi:10.3390/machine. ISSNÂ 2075-1702. Archived from the original on 2025-05-19. CS1 maint: extra punctuation (link) CS1 maint: multiple names: authors list (link) CS1 maint: unflagged free DOI (link)
- ^ “The Ingenious Engineering of Leonardo da Vinci’s Self-Supporting Bridge, Explained with Animation | Open Culture”. Retrieved 2026-01-28.
