| 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 |
Brownsville Bridge
Old Brownsville Bridge |
 | Bridge Street (PA-2067) Over Monongahela River and Railroad (Norfolk Southern) | Rural: Fayette County, Pennsylvania and Washington County, Pennsylvania | Metal 20 Panel Pin-Connected Pennsylvania Through Truss, Fixed and Approach Spans: Metal Through Girder, Fixed |
Total Length: 945 ft Main Span Length: 520 ft Roadway Width: 22.6 ft Main Spans: 1 |
1914 By: Fort Pitt Bridge Works of Pittsburgh, Pennsylvania | A historical feat when completed, this pin connected bridge is noted for its enormous Pennsylvania truss span. | 
| X |
Charleroi-Monessen Bridge
|
| Lock Street (PA-2018) Over Monongahela River | Charleroi and Monessen: Washington County, Pennsylvania and Westmoreland County, Pennsylvania | Metal 20 Panel Pin-Connected Pennsylvania Through Truss, Fixed |
Total Length: 1810 ft Main Span Length: 400 ft Roadway Width: 22.6 ft Main Spans: 3 |
1906 By: American Bridge Company of New York, New York and Emil Swensson, of Mercantile Bridge Company | A huge example of its type and is a stunning landmark, yet was targeted by PennDOT for reduction to scrap metal. | 
| ! |
Donora-Webster Bridge
|
 | 10th Street (PA-1022) Over Monongahela River | Donora and Website: Washington County, Pennsylvania and Westmoreland County, Pennsylvania | Metal 20 Panel Pin-Connected Pennsylvania Through Truss, Fixed |
Total Length: 1547 ft Main Span Length: 518 ft Roadway Width: 22.6 ft Main Spans: 5 |
1908 By: Toledo-Massillon Bridge Company of Toledo, Ohio (W. Wylie) | This bridge is one of the most stunning landmark bridges in southwestern Pennsylvania, yet will likely be demolished. | 
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