| 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 |
Birmingham Bridge
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 | Irish Flats Lane (TR-512) Over Little Juniata River | Birmingham: Blair County, Pennsylvania and Huntingdon County, Pennsylvania | Metal 5 Panel Pin-Connected Pratt Through Truss, Fixed |
Total Length: 145 ft Main Span Length: 142 ft Roadway Width: 14.8 ft Main Spans: 1 |
1898 By: Penn Bridge Company of Beaver Falls, Pennsylvania and J. A. Patterson | This extremely unusual bridge has decorative portal bracing and a very massive design for a bridge of its type and age. | 
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