| 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. |
| 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 | Facility Carried / Feature Intersected | Location | Structure Type | Construction Date / Builder or Contractor | Description | Thumbnail |
Chappel Hill Road Bridge
| Chappel Hill Road Over Caldwell Creek | Rural: Warren County, Pennsylvania | Metal Riveted Warren Pony Truss, Stationary | 1910 By: Unknown | A little Warren pony truss hidden away on a quiet country road. | 
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Flat Road Bridge
| Flat Road Over West Branch Caldwell Creek | Rural: Warren County, Pennsylvania | Metal Riveted Warren Pony Truss, Stationary | 1910 By: Unknown | This is an abandoned Warren pony truss that is noted for its skew. | 
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Tidioute Bridge
| Buckingham Street Over Allegheny River | Tidioute: Warren County, Pennsylvania | Metal Riveted Parker Through Truss, Stationary | 1933 By: Bates and Rogers | Extensive lattice and v-lacing, and impressive span size make this a complex structure. | 
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