| 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 |
Martins Creek Viaduct
Kingsley Bridge |
 | Railroad (St Lawrence and Hudson / Norfolk Southern) Over Martins Creek | Rural: Susquehanna County, Pennsylvania | Concrete Open Spandrel Deck Arch, Fixed |
Total Length: 1600 ft Main Span Length: 150 ft Main Spans: 10 |
1915 By: Unknown | This bridge is the little brother to the Tunkhannock Viaduct, but is a very large bridge in its own right. | 
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Starrucca Viaduct
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 | Railroad (Erie Railway) Over Starrucca Creek, Railroad, and Highways | Lanesboro: Susquehanna County, Pennsylvania | Stone Semicircular Deck Arch, Fixed |
Total Length: 1040 ft Main Span Length: 51 ft Roadway Width: 26 ft Main Spans: 17 |
1848 By: Unknown and J. P. Kirkwood and J. W. Adams | One of the oldest and longest railroad bridges in Pennsylvania, this is one of the largest stone railroad bridges in the country. | 
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