| 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 |
Church Street Bridge
|
 | Church Street (Old Alignment) Over Chesapeake and Ohio Canal | Hancock: Washington County, Maryland | Metal 8 Panel Rivet-Connected Polygonal Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown | This former vehicular bridge with a notable deck camber now serves non-motorized traffic. | 
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Main Street Bridge
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| Main Street (MD-144) Over Little Tonoloway Creek | Hancock: Washington County, Maryland | Concrete Closed Spandrel Deck Arch, Fixed |
Total Length: 48 ft Main Span Length: 43 ft Roadway Width: 37 ft Main Spans: 1 |
1925 By: Unknown | This concrete arch bridge has been widened twice since its construction. | 
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New Wilson's Bridge
|
 | National Pike (US-40) Over Conococheague Creek | Rural: Washington County, Maryland | Concrete Open Spandrel Deck Arch, Fixed |
Total Length: 370 ft Main Span Length: 102 ft Roadway Width: 44 ft Main Spans: 3 |
1936 By: Unknown | With substantial architectural details, this is a beautiful example of a concrete arch bridge. | 
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Old Wilson's Bridge
|
 | National Pike (Abandoned Alignment) Over Conococheague Creek | Rural: Washington County, Maryland | Stone Segmental Deck Arch, Fixed |
Total Length: 210 ft Main Spans: 5 |
1819 By: Silas Harry of Chambersburg, Pennsylvania | This is the oldest among a rich collection of stone arch bridges in this county. | 
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Potomac Edison Company Bridge
|
 | Railroad (Abandoned Western Maryland Railway) Over Chesapeake and Ohio Canal | Williamsport: Washington County, Maryland | Metal Through Girder, Movable: Vertical Lift (Tower Drive) |
Total Length: 80.6 ft Main Span Length: 41.3 ft Roadway Width: 17.1 ft Main Spans: 1 |
1923 By: New York Central Iron Works of Hagerstown, Maryland and Sanderson and Porter of New York, New York | This is a unique example of a small scale vertical lift bridge, designed to accomodate a tow path. | 
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Salisbury Street Bridge
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| Salisbury Street Over Chesapeake and Ohio Canal | Williamsport: Washington County, Maryland | Metal 8 Panel Pin-Connected Pratt Full-Slope Pony Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 107.3 ft Main Span Length: 67 ft Roadway Width: 9.5 ft Main Spans: 1 |
1879 By: Wendel Bollman of Baltimore, Maryland | A rare surviving work of noted engineer Wendel Bollman, this is a very old metal truss bridge. | 
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US-522 Main Street Bridge
|
 | US-522 Over Little Tonoloway Creek, MD-144 (Main Street) and Limestone Road | Hancock: Washington County, Maryland | Metal Pin-Connected Wichert Deck Truss, Fixed |
Total Length: 586 ft Main Span Length: 160 ft Roadway Width: 24 ft Main Spans: 4 |
1937 By: Unknown | This unique bridge combines the technology of a Wichert truss with a plate girder. | 
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