| Special Bridge Conditions Legend |
| ! | Confirmed demolition date within one year or an especially historic bridge that is threatened with demolition at any level. |
| X | The bridge has been confirmed demolished or collapsed. |
| S | The bridge has been dismantled or moved to an offsite location and is not currently available for public viewing. |
| Note: This website cannot guarantee the current condition of any bridge on this website. Bridges lacking these icons should not necessarily be considered condition-free. |
| Bridge Name | Facility Carried / Feature Intersected | Location | Structure Type | Construction Date / Builder or Contractor | Description | Thumbnail |
Pont de Québec
Quebec Bridge | QC-175 and Railroad (Canadian National) Over St. Lawrence River | Québec City and Lévis: Capitale-Nationale, Québec and Chaudiére-Appalaches, Québec | Metal Pinned Cantilever Through Truss, Stationary | 1919 By: Ralph Modjeski | One of the most important and impressive bridges in the world, this is the longest cantilever truss bridge span on the planet! | 
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