| 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 |
Atherton Bridge
|
 | Bolton Road (Old Alignment) Over Nashua River | Lancaster: Worcester County, Massachusetts | Metal 11 Panel Pin-Connected Post Through Truss, Fixed |
Total Length: 72 ft Main Span Length: 72 ft Roadway Width: 18.5 ft Main Spans: 1 |
1870 By: J. H. Cofrode and Company of Philadelphia, Pennsylvania | One of two Post truss bridges in the country, this Phoenix Column pony truss should be restored. | 
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Fink Deck Truss Bridge
|
 | Exhibit Deck Over Ground (Exhibit) | Lynchburg: Lynchburg Independent City, Virginia | Metal 4 Panel Pin-Connected Fink Deck Truss, Fixed |
Total Length: 52.5 ft Main Span Length: 52.5 ft Roadway Width: 13 ft Main Spans: 1 |
1870 By: Albert Fink | A rare cast iron bridge, this is also one of only two surviving Fink truss bridges in the country! | 
|
Fink Truss Bridge
Main Street Bridge |
| Scenic Overlook Over None (Exhibit) | Rural: Chester County, Pennsylvania | Metal 4 Panel Pin-Connected Fink Deck Truss, Fixed |
Main Span Length: 43.2 ft Main Spans: 1 |
1870 By: Unknown | One of only a few in the country, this is the only Fink truss in Pennsylvania. | 
|
Glen Gardner Bridge
School Street Bridge |
 | School Street Over Spruce Run River | Glen Gardner: Hunterdon County, New Jersey | Metal 8 Panel Pin-Connected Pratt Pony Truss, Fixed |
Total Length: 80.1 ft Main Span Length: 84 ft Roadway Width: 16.4 ft Main Spans: 1 |
1870 By: WM Cowin of Lambertville, Pennsylvania | Even having served traffic for around 140 years, this nationally significant cast iron bridge is nearly completely unaltered! | 
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Lower Rollstone Street Bridge
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| Lower Rollstone Street Over Nashua River | Fitchburg: Worcester County, Massachusetts | Metal 11 Panel Pin-Connected Bowstring Pony Truss, Fixed |
Total Length: 111 ft Main Span Length: 105 ft Roadway Width: 26.6 ft Main Spans: 1 |
1870 By: National Bridge Company of Boston, Massachusetts | This distinctive bridge is an extremely rare and significant example of the important design ideas of the Parker patent truss bridge. | 
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Main Street Bridge
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| Main Street Over South Branch Raritan River | Clinton: Hunterdon County, New Jersey | Metal 8 Panel Pin-Connected Pratt Pony Truss, Fixed |
Total Length: 170 ft Main Span Length: 85 ft Roadway Width: 15.7 ft Main Spans: 2 |
1870 By: WM Cowin of Lambertville, Pennsylvania | The longest and only multi-span example of three nationally significant cast iron bridges in the county. | 
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Old Mill Road Bridge
|
 | Old Mill Road Over Saucon Creek | Lower Saucon Township: Northampton County, Pennsylvania | Metal Continuous 5 Panel Pratt Full-Slope Pony Truss, Fixed |
Total Length: 104 ft Main Span Length: 52 ft Roadway Width: 13 ft Main Spans: 1 |
1870 By: Beckel Iron Foundry and Machine Shop of Bethlehem, Pennsylvania | This ancient cast iron bridge is nationally significant as one of the rarest types of bridges, and it has a continuous type design. | 
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Shaw Bridge
|
| Van Wyck Lane Over Claverack Creek | Rural: Columbia County, New York | Metal 9 Panel Bowstring Pony Truss, Fixed |
Total Length: 164 ft Main Span Length: 80 ft Roadway Width: 10.5 ft Main Spans: 2 |
1870 By: J. D. Hutchinson of Troy, New York and Squire Whipple | This is the only surviving multi-span Whipple arch type bowstring. | 
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Waco Suspension Bridge
Bridge Street Bridge |
 | Bridge Street Over Brazos River | Waco: McLennan County, Texas | Metal Pony Truss Stiffening Wire Cable Suspension, Fixed and Approach Spans: Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed |
Main Span Length: 475 ft Roadway Width: 18 ft Main Spans: 1 |
1870 By: John A. Roebling Sons Company of New York, New York and Thomas M. Griffith | Although perhaps better thought of as a 1914 bridge, this magnificent structure is a preserved Waco landmark and an important historic bridge. | 
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Watkins Glen Iron Foot-Bridge
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| Watkins Glen State Park Trail Over Glen Creek | Watkins Glen: Schuyler County, New York | Metal 18 Panel Bowstring Pony Truss, Fixed |
Total Length: 90 ft Main Span Length: 90 ft Roadway Width: 10.6 ft Main Spans: 1 |
1870 By: John L. Foreman | This nationally significant and unique structure is made of cast and wrought iron. | 
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