| 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 |
Avonmore Bridge
| 6th Street Over Kiskiminetas River | Avonmore: Armstrong County, Pennsylvania and Westmoreland County, Pennsylvania | Metal Riveted Parker Through Truss, Stationary | 1937 By: Unknown | This bridge is not like other 1930s truss bridges in the state... all truss parts are rolled beams. | 
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Beatty Railroad Overpass
| Railroad (Norfolk Southern) Over Auction Barn Road | Rural: Westmoreland County, Pennsylvania | Stone Segmental Deck Arch, Stationary | 0 By: Unknown | An attractive and traditional stone arch railroad overpass. | 
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Buffenmeyer Road Bridge
| Buffenmeyer Road Over Railroad (Norfolk Southern) | Rural: Westmoreland County, Pennsylvania | Metal Riveted Warren Pony Truss, Stationary | 1906 By: American Bridge Company of New York, New York | This bridge has a flat plate-like appearance due to its design. | 
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Carney Railroad Overpass
| Railroad (Norfolk Southern) Over Buffenmeyer Road | Rural: Westmoreland County, Pennsylvania | Stone Semicircular Deck Arch, Stationary | 0 By: Unknown | This impressive bridge has a distinct tunnel-like feeling to it. | 
| ! |
Charleroi-Monessen Bridge
| PA-2018 Over Monongahela River | Charleroi and Monessen: Washington County, Pennsylvania and Westmoreland County, Pennsylvania | Metal Pinned Pennsylvania Through Truss, Stationary | 1906 By: Mercantile Bridge Company | A huge example of Mercantile Bridge Company work and is a stunning landmark. | 
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Donora-Webster Bridge
| 10th Street Over Monongahela River | Donora and Website: Washington County, Pennsylvania and Westmoreland County, Pennsylvania | Metal Pinned Pennsylvania Through Truss, Stationary | 1908 By: W. Wylie | This bridge is one of the most stunning landmark bridges in southwestern Pennsylvania. | 
| X |
Eaton Road Bridge
| Eaton Road (PA-982) Over Loyalhanna Creek | Near Latrobe: Westmoreland County, Pennsylvania | Metal Multiple-Type-Connected Polygonal Warren Pony Truss, Stationary | 1931 By: Unknown | This bridge is very unusual because the bottom chord connections to the lower gusset plates are pinned. | 
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Leechburg Bridge
| Third Street (PA-4093) Over Kiskiminetas River | Leechburg: Armstrong County, Pennsylvania and Westmoreland County, Pennsylvania | Metal Riveted Parker Through Truss, Stationary | 1935 By: Unknown | The pleasingly complex geometry of this bridge forms a gateway into Leechburg. | 
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Leechburg Bridge North
| Mill Bridge Road Over Kiskiminetas River | Leechburg: Armstrong County, Pennsylvania and Westmoreland County, Pennsylvania | Metal Riveted Pratt Through Truss, Stationary | 1938 By: Unknown | This skewed bridge offers striking views from beside the bridge. | 
| ! |
Monastery Road Bridge
| Monastery Road Over Railroad (Norfolk Southern) | Rural: Westmoreland County, Pennsylvania | Metal Pinned Double-Intersection Warren Deck Truss, Stationary | 1890 By: Unknown | This extremely rare truss bridge crossing a historic rail line is threatened with demolition! | 
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Old Blairsville Bridge
| Market Street Over Conemaugh River | Blairsville: Indiana County, Pennsylvania and Westmoreland County, Pennsylvania | Metal Riveted Baltimore Through Truss, Stationary | 1935 By: Unknown | This bridge features a Baltimore truss configuration unlike other period bridges in the state. | 
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Salina Bridge
| Bridge Street (Edmon Road) Over Kiskiminetas River | Salina: Armstrong County, Pennsylvania and Westmoreland County, Pennsylvania | Metal Pinned Parker Through Truss, Stationary | 1906 By: Unknown | A long, three span example of an uncommon type, this bridge is enjoyable to view and cross. | 
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Seward Bridge
| PA-56 and PA-711 Over Conemaugh River | Seward: Indiana County, Pennsylvania and Westmoreland County, Pennsylvania | Metal Riveted Parker Through Truss, Stationary | 1933 By: Unknown | This bridge is a multi-span example of a standard plan truss in Pennsylvania. | 
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Seward Railroad Overpass
| PA-56 and PA-711 Over Railroad (Norfolk Southern) | Seward: Westmoreland County, Pennsylvania | Metal Riveted Polygonal Warren Pony Truss, Stationary | 1930 By: American Bridge Company of New York, New York | A good example of a 1930s pony truss in Pennsylvania. | 
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Smithton High-Level Bridge
| I-70 Over Youghiogheny River | Near Smithton: Westmoreland County, Pennsylvania | Metal Riveted Cantilever Deck Truss, Stationary | 1956 By: Unknown | This bridge is an impressive structure to view from below. | 
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Speers Railroad Bridge
Belle Vernon Railroad Bridge | Railroad (Norfolk Southern) Over Monongahela River | Belle Vernon and Speers: Washington County, Pennsylvania and Westmoreland County, Pennsylvania | Metal Riveted K-Truss Through Truss, Stationary | 0 By: Unknown | This giant bridge is one of the only bridges in the entire state to display the rare K-truss configuration. | 
| ! |
Tunnelton Bridge
| Tunnelton Road Over Conemaugh River | Rural: Indiana County, Pennsylvania and Westmoreland County, Pennsylvania | Metal Multiple-Type-Connected Pennsylvania Through Truss, Stationary | 1938 By: American Bridge Company of New York, New York | This bridge has some very unusual details and is also noteworthy for its long single span. | 
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Vandergrift Bridge
| Third Street (PA-56 and PA-66 Alt) Over Kiskiminetas River | Vandergrift: Armstrong County, Pennsylvania and Westmoreland County, Pennsylvania | Metal Riveted Parker Through Truss, Stationary | 1933 By: Unknown | This attractive bridge continures to welcome visitors into Vandergrift. | 
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West Newton Bridge
| Main Street (PA-136) Over Youghiogheny River | West Newton: Westmoreland County, Pennsylvania | Metal Pinned Parker Through Truss, Stationary | 1907 By: Unknown | This bridge forms a spectacular gateway into a small town, and is a treasure that should be preserved. | 
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