| 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 |
Canal Road Bridge
| Canal Road Over Shenango River | Sharpsville: Mercer County, Pennsylvania | Metal Pinned Camelback Through Truss, Stationary | 1897 By: Penn Bridge Company of Beaver Falls, Pennsylvania | This beautiful and rare treasure is near a park on a lightly traveled road, yet is in danger of demolition! | 
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Carlton Bridge
| New Lebanon Road Over French Creek | Carlton: Mercer County, Pennsylvania | Metal Pinned Pratt Through Truss, Stationary | 1898 By: Columbia Bridge Works of Dayton, Ohio | A stunning Columbia Bridge Works of Dayton, Ohio bridge, showcasing some of their unique, unusual design ideas. | 
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Clarks Mills Bridge
| Mill Road Over Little Shenango River | Clarks Mills (Rural): Mercer County, Pennsylvania | Metal Pinned Pratt Through Truss, Stationary | 1885 By: Penn Bridge Company of Beaver Falls, Pennsylvania | A very old Penn Bridge Company of Beaver Falls, Pennsylvania Bridge with remarkable historic integrity! | 
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Hope Mills Bridge
Old Mercer Road Bridge | Old Mercer Road Over Neshannock Creek | Rural: Mercer County, Pennsylvania | Metal Riveted Pratt Through Truss, Stationary | 1922 By: Unknown | A semi-massive member bridge tucked away in a scenic wooded environment. | 
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Leesburg Station Road Bridge
| Leesburg Station Road Over Neshannock Creek | Rural: Mercer County, Pennsylvania | Metal Riveted Warren Pony Truss, Stationary | 1927 By: Unknown | An extremely narrow and uncommon massive-member Warren pony truss. | 
| X |
Milburn Road Bridge
| Milburn Road Over Neshannock Creek | Rural: Mercer County, Pennsylvania | Metal Pinned Pratt Through Truss, Stationary | 1880 By: Wrought Iron Bridge Company of Canton, Ohio | A small through truss built by the Wrought Iron Bridge Company of Canton, Ohio was sentenced to the dumpster. | 
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Munnell Run Private Bridge
| Private Drive Over Munnell Run | Mercer: Mercer County, Pennsylvania | Metal Riveted Double-Intersection Warren Pony Truss, Stationary | 0 By: Sharpsville Steam Boiler Works of Sharpsville, Pennsylvania | This is a small yet attractive and unusual little pony truss. | 
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Ohl Street Bridge
| Ohl Street Over Shenango River | Greenville: Mercer County, Pennsylvania | Metal Pinned Pratt Through Truss, Stationary | 1909 By: Canton Bridge Company of Canton, Ohio | This ornate two-span bridge is also noted for its width and location in a potential historic district. | 
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Old Jackson Center Bridge
| US-62 (Abandoned Alignment) Over Yellow Creek | Jackson Center: Mercer County, Pennsylvania | Concrete Curved Chord Through Girder, Stationary | 0 By: Unknown | This bridge appears to be based off of of unique bridge type designed in Michigan. | 
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Perry Highway Bridge
| Perry Highway Over Neshannock Creek | Rural: Mercer County, Pennsylvania | Metal Riveted Pratt Through Truss, Stationary | 1928 By: Unknown | This bridge was heavily modified when its sway bracing was changed and moved outside of the bridge. | 
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Quaker Bridge
Williamson Road Bridge | Williamson Road (Old Alignment) Over Little Shenango River | Rural (Near Greenville): Mercer County, Pennsylvania | Metal Pinned Pratt Through Truss, Stationary | 0 By: Unknown | This beautiful historic bridge is the first rural western Pennsylvania truss bridge to be preserved! | 
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Sharon NS/CSX Railroad Bridge
| Railroad (Norfolk Southern and CSX) Over Shenango River | Sharon: Mercer County, Pennsylvania | Metal Riveted Quadrangular Warren Through Truss, Stationary | 0 By: Unknown | A rare example of an unusual, and visually complex and stunning truss configuration. | 
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Sharon NYC Railroad Bridge
| Railroad (Abandoned New York Central) Over Shenango River | Sharon: Mercer County, Pennsylvania | Metal Pinned Pratt Through Truss, Stationary | 0 By: Unknown | This is an old and skewed two-span railroad truss bridge. | 
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