Théophile Seyrig
François Gustave Théophile Seyrig (19 February 1843 – 5 July 1923) was a German-born French engineer, best known for designing bridges. On 6 October 1868, he founded Eiffel and Company with Gustave Eiffel. Seyrig contributed to the Eiffel and Company project to build the Maria Pia Bridge in Porto, Portugal, which was finished in 1877.
Also recorded as Theophile Seyrig
Théophile Seyrig

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- Birth Name
- François Gustave Théophile Seyrig
- Born
- 19 February 1843
- Birthplace
- Berlin, Germany
- Died
- 5 July 1923
- Education
- École Centrale Paris
- Nationality
- France.
- Occupation
- engineer, translator and architect.
- Fields
- architecture and urban design.
- Languages
- French, Swedish and German.
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Documentary summary
François Gustave Théophile Seyrig (19 February 1843 – 5 July 1923) was a German-born French engineer, best known for designing bridges. On 6 October 1868, he founded Eiffel and Company with Gustave Eiffel. Seyrig contributed to the Eiffel and Company project to build the Maria Pia Bridge in Porto, Portugal, which was finished in 1877.
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Théophile Seyrig (1843–1923) was a French architect, engineer and translator. Born in Berlin, the architect died in France.
Théophile Seyrig studied at École Centrale Paris. The architect was active in architecture and urban design. Languages used include French, German and Swedish.
Composed from admitted, traceable facts · 27 September 2026
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wikidata · Q362343 · wikipedia · Théophile Seyrig
In this article
Biography
Biography
Seyrig presented a paper on the bridge to the Société des Ingénieurs Civils in 1878. Later he worked for the Belgian firm Société Willebroeck in Brussels, and won the competition to build the Dom Luís I Bridge (also in Porto), beating the Eiffel proposal. He began construction in 1881 and the bridge was finished in 1886.

Puente fundamental en los proyectos de Théophile Seyrig (1886).
Jl FilpoC
Key facts
Key facts
• Birth Name — François Gustave Théophile Seyrig • Born — 19 February 1843 • Birthplace — Berlin, Germany • Died — 5 July 1923 • Education — École Centrale Paris
Works
Works
• Maria Pia Bridge • Dom Luís I Bridge • Neuvial Viaduct • Rouzat Viaduct • Illustration — Maria Pia Bridge (1877). • Illustration — Dom Luís I Bridge (1886).
Identity
Identity
Théophile Seyrig is recorded with the occupation translator. Recorded as engineer, translator and architect.
Life and career
Dated record
Life and career
Explore 1843–1923
The full dated record · 4 entries
1843
Théophile Seyrig was born on 19 February 1843.
1878
Ponte Eiffel is dated 1878.
1881
Luiz I Bridge is dated 1881.
1923
Théophile Seyrig died on 5 July 1923.
Places
Named by the record
Places
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Berlin.
Birth place
France.
Death place
Writings
• Seyrig, Théophile. Pont d. Luiz I. à Porto, Librairie centrales des chemins de fer, Paris, 1884 • Seyrig, Théophile. Éléments de statique graphique appliquée aux constructions, Baudry, Paris, 1886; pp. 392
Notes from the source article
Cited by Wikipedia
Notes from the source article
These works are cited by the source article, in its own numbering. They are recorded as its citations, not as sources VALÉORINE has verified.
Bibliography printed in the source article · 1
- Ponte Maria Pia, Ordem dos Engenheiros, Região Norte, , 2005
References
Citations
References
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reference work
Wikidata, structured authority record Q362343: Théophile SeyrigWikimedia Foundation
Secondary witnessreference work
Secondary witness
Further particulars
Held on the record
Further particulars
Open the remaining particulars
Identity and origins. The authorities additionally record the heading Theophile Seyrig. His recorded languages were French, Swedish and German. Other recorded relations include Henri Seyrig and Delphine Seyrig.
The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 16 August 2026.
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