| 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 |
Mifflintown Bridge
|
 | Bridge Street / Main Street (PA-35) Over Juniata River | Mifflintown and Mifflin: Juniata County, Pennsylvania | Metal 9 Panel Rivet-Connected Parker Through Truss, Fixed |
Total Length: 690 ft Main Span Length: 172 ft Roadway Width: 23.6 ft Main Spans: 4 |
1937 By: Whitaker and Diehl of Harrisburg, Pennsylvania and Pennsylvania State Highway Department | Despite an attractive appearance and potential for reuse, this bridge will not be left standing next to its planned replacement. | 
|
Port Royal Bridge
Port Royal Viaduct |
 | Market Street (PA-75) Over Juniata River and First Street | Port Royal: Juniata County, Pennsylvania | Metal 9 Panel Rivet-Connected Parker Through Truss, Fixed and Approach Spans: Metal Through Girder, Fixed |
Total Length: 1087 ft Main Span Length: 223 ft Roadway Width: 23 ft Main Spans: 4 |
1937 By: J. H. Wickersham and Pennsylvania State Highway Department | This bridge is a long multi-span example of its type and also is part of a larger and truly unique viaduct. | 
|
Port Royal Railroad Overpass
Port Royal Viaduct |
 | Market Street (PA-75) Over Railroad (Norfolk Southern) | Port Royal: Juniata County, Pennsylvania | Concrete Closed Spandrel Deck Arch, Fixed |
Total Length: 87 ft Main Span Length: 76 ft Roadway Width: 24.3 ft Main Spans: 1 |
1910 By: Unknown | This bridge is an early arch bridge and associated with Pennsylvania Railroad and also is part of a larger and truly unique viaduct. | 
|
|---|
