| Edmond Humblot - Chief Engineer of Bridges and Chaussées | Manufacturer of the 1885 rising bridge. |
| Louis Le Chatelier - Bridge and Chaussées Engineer | Head of the site under Humblot. |
| Pierre-Simon Girard - Chief Engineer (early 19th) | Initiator of the Ourcq channels. |
| François Mantion - Builder of the rising bridge (1868) | Author of a lifting bridge prior to slaughterhouses. |
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