| 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. |
| L | Most or all of the original bridge material has been demolished and replaced, including historically significant elements, but some original parts of the bridge remain. |
| 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 | HSR Rating | Facility Carried / Feature Intersected | Location | Structure Type | Structure Dimensions | Construction Date / Builder or Contractor | Description | Thumbnail |
Alexandra Bridge
Interprovincial Bridge |
 | Saint Patrick Street and Murray Street (Boulevard des Allumettières) Over Ottawa River | Ottawa and Gatineau: Ottawa City, Ontario and Outaouais, Québec | Metal Cantilever 18 Panel Pin-Connected Pratt Through Truss, Fixed and Approach Spans: Metal 8 Panel Pin-Connected Pennsylvania Through Truss, Fixed |
Total Length: 1857 ft Main Span Length: 555.75 ft Roadway Width: 62 ft Main Spans: 3 |
1900 By: Dominion Bridge Company of Montréal, Québec | Located next to Parliament Hill, this beautiful bridge represents a significant engineering achievement as an early surviving large-scale cantilever. | 
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Bank Street Bridge
|
 | Bank Street Over Rideau Canal | Ottawa: Ottawa City, Ontario | Concrete Closed Spandrel Deck Arch, Fixed |
Total Length: 630 ft Main Span Length: 76 ft Roadway Width: 40 ft Main Spans: 6 |
1912 By: Jones and Girouard of Ottawa, Ontario | This bridge is a large, early, and impressive example of a concrete arch bridge. | 
|
Chaudière Bridge
Pont Chaudière |
 | Rue Eddy (Booth Street) Over Ottawa River | Ottawa and Gatineau: Ottawa City, Ontario and Outaouais, Québec | Metal 12 Panel Rivet-Connected Pennsylvania Through Truss, Fixed and Approach Spans: Stone Semicircular Deck Arch, Fixed | Main Spans: 1 | 1919 By: Dominion Bridge Company of Montréal, Québec | This impressive Pennsylvania truss bridge also has an unusual support and approach system. | 
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Minto Bridge
|
 | Union Street Over Rideau River | Ottawa: Ottawa City, Ontario | Metal 9 Panel Rivet-Connected Parker Through Truss, Fixed | Main Spans: 4 | 1900 By: Dominion Bridge Company of Montréal, Québec | With ornate railing and portal cresting, this stunning union of beauty and function is actually three bridges that connect islands to cross the river. | 
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Plaza Bridge
|
 | Wellington Street, Rideau Street, and Elgin Street Over Rideau Canal | Ottawa: Ottawa City, Ontario | Concrete Closed Spandrel Deck Arch, Fixed | Main Spans: 3 | 1912 By: Unknown | This extremely unusual bridge is a very wide variety of Y bridge. | 
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Porter Island Bridge
|
| Island Lodge Road (Abandoned Alignment) Over Rideau River | Ottawa: Ottawa City, Ontario | Metal 7 Panel Pin-Connected Pratt Through Truss, Fixed | Main Spans: 2 | 1894 By: Dominion Bridge Company of Montréal, Québec | This beautiful bridge is a rare and outstanding multi-span example of 19th Century metal bridge construction in Ontario. | 
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Pretoria Bridge
|
 | Pretoria Avenue Over Rideau Canal | Ottawa: Ottawa City, Ontario | Metal Rivet-Connected Pratt Railing-Height Truss, Movable: Vertical Lift (Direct Lift) and Approach Spans: Concrete Spread Box Beam, Fixed |
Total Length: 200 ft Main Span Length: 95 ft Roadway Width: 44 ft Main Spans: 1 |
1981 By: Unknown and Strauss Bascule Bridge Company of Chicago, Illinois | This modern bridge lacks heritage value, but it does simulate important aspects of the previous unique vertical lift bridge at this location. | 
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