| 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 |
Clarion Secondary Railroad Bridge
|
 | Railroad (Abandoned Clarion Secondary Railroad) Over Clarion River | Rural: Clarion County, Pennsylvania | Metal 10 Panel Pin-Connected Baltimore Deck Truss, Fixed | Main Spans: 3 | 1928 By: Unknown | This large and visually stunning bridge is a magnificent example of its type, and is hidden out in a very rural location. | 
| X |
Climax Bridge
|
| Tunnel Road Over Redbank Creek | Climax (Rural): Armstrong County, Pennsylvania and Clarion County, Pennsylvania | Metal Rivet-Connected Warren Deck Truss, Fixed |
Total Length: 258 ft Main Span Length: 101 ft Roadway Width: 11.2 ft Main Spans: 3 |
1898 By: Unknown | This highly unusual 1890s deck truss apparently served a rail-line before becoming a highway bridge, and was located near a very cool railroad stone tunnel! | 
| X |
East Brady Bridge
|
 | PA-68 Over Allegheny River | East Brady: Armstrong County, Pennsylvania and Clarion County, Pennsylvania | Metal 8 Panel Rivet-Connected Pratt Through Truss, Fixed |
Total Length: 771 ft Main Span Length: 200 ft Roadway Width: 20 ft Main Spans: 4 |
1934 By: Unknown | PennDOT seems bent on destroying every single historic bridge on the Allegheny River north of Pittsburgh! | 
| X |
Foxburg Bridge
|
 | PA-58 Over Allegheny River | Foxburg: Armstrong County, Pennsylvania and Clarion County, Pennsylvania | Metal 8 Panel Rivet-Connected Warren Through Truss, Fixed |
Total Length: 538 ft Main Span Length: 174 ft Roadway Width: 14 ft Main Spans: 3 |
1921 By: Bethlehem Steel Bridge Corporation of Steelton, Pennsylvania | Another breathtaking, one-of-a-kind historic Allegheny River treasure falls under the wrath of PennDOT. | 
|
Parker Bridge
|
 | PA-368 Over Allegheny River | Parker: Armstrong County, Pennsylvania and Clarion County, Pennsylvania | Metal 12 Panel Rivet-Connected Parker Through Truss, Fixed |
Total Length: 1140 ft Main Span Length: 390 ft Roadway Width: 23 ft Main Spans: 4 |
1934 By: McClintic-Marshall Company of Pittsburgh, Pennsylvania and Pennsylvania State Highway Department | Noted for an distinctive slope, this is a truss bridge with a Parker configuration appropriately located in a community named Parker! | 
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