| 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 |
Black River Canal Railroad Bridge
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 | Railroad (Mohawk, Adirondack, and Northern) Over Black River Canal | Rural: Oneida County, New York | Metal Deck Girder, Fixed | Main Spans: 1 | By: Unknown | This non-historic bridge crossing a historic canal is included as an opportunity to discuss what actually makes a bridge historic. | 
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Cove Road Bridge
|
 | Cove Road Over Erie Canal | Rural: Oneida County, New York | Metal 10 Panel Rivet-Connected Parker Through Truss, Fixed and Approach Spans: Concrete Slab, Fixed |
Total Length: 302.8 ft Main Span Length: 183.7 ft Roadway Width: 15 ft Main Spans: 1 |
1908 By: Groton Bridge Company of Groton, New York | This bridge is a rare example of an Erie Canal truss bridge that follows a Parker truss configuration. | 
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Filley Street Bridge
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 | Filley Street Over Sconondoa Creek | Sherrill: Oneida County, New York | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 93 ft Main Span Length: 49 ft Roadway Width: 11.5 ft Main Spans: 2 |
By: Unknown | This bridge's two pony truss spans are of different lengths. | 
| ! |
Twin Bridge North
|
 | River Road Over Black River | Forestport: Oneida County, New York | Metal 4 Panel Pin-Connected Pratt Half-Hip Pony Truss, Fixed |
Total Length: 59.7 ft Main Span Length: 57.7 ft Roadway Width: 15.4 ft Main Spans: 1 |
1901 By: Havana Bridge Works of Montour Falls, New York | One of two truss bridges on this road, this example is noted for its ornate plaque and finials. | 
| ! |
Twin Bridge South
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| River Road Over Black River | Forestport: Oneida County, New York | Metal 5 Panel Pin-Connected Pratt Full-Slope Pony Truss, Fixed |
Total Length: 72.8 ft Main Span Length: 69 ft Roadway Width: 15.4 ft Main Spans: 1 |
1901 By: Rochester Bridge and Construction Company of Rochester, New York | One of two truss bridges on this road, this example is noted as a rare surviving example of its builder. | 
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