| 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 |
Canadian National Railway Truss Bridge
|
 | Railroad (Abandoned Canadian National) Over Trent-Severn Waterway | Peterborough: Peterborough County, Ontario | Metal Rivet-Connected Warren Through Truss, Movable: Swing (Rim Bearing Center Pier) |
Main Span Length: 217.5 ft Main Spans: 1 |
1898 By: Central Bridge and Engineering Company of Peterborough, Ontario | This abandoned swing bridge is a beautiful heritage landmark for users of the nearby Rotary Greenway Trail. | 
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Canadian Pacific Railway Bridge
|
 | Railroad (Canadian Pacific) and Pedestrian Walkway Over Otonabee River | Peterborough: Peterborough County, Ontario | Metal 6 Panel Rivet-Connected Pratt Through Truss, Fixed (Rim Bearing Center Pier) and Approach Spans: Metal Through Girder, Fixed | Main Spans: 2 | 1913 By: Hamilton Bridge Company of Hamilton, Ontario | This impressive bridge could be throught of as two bridges since a causeway connects two parts of the structure. | 
|
Canadian Pacific Railway Swing Bridge
Bridge Number 25 |
| Railroad (Canadian Pacific) Over Trent-Severn Waterway | Peterborough: Peterborough County, Ontario | Metal Rivet-Connected Warren Through Truss, Movable: Swing (Rim Bearing Center Pier) |
Total Length: 190 ft Main Span Length: 187 ft Main Spans: 1 |
1898 By: Central Bridge and Engineering Company of Peterborough, Ontario | This impressive swing bridge continues to operate for trains and boats as needed and is easy to view. | 
|
Grand Rapids Swing Bridge
Pere Marquette Railroad Bridge |
| Railroad (Norfolk Southern) Over Grand River | Grand Rapids: Kent County, Michigan | Metal Pin-Connected Pratt Through Truss, Movable: Swing (Rim Bearing Center Pier) and Approach Spans: Metal 6 Panel Pin-Connected Pratt Through Truss, Fixed |
Total Length: 654 ft Main Span Length: 231 ft Roadway Width: 30 ft Main Spans: 1 |
1903 By: American Bridge Company of New York, New York | This spectacular railroad swing bridge is one of the most impressive of its kind in Michigan, and is very photogenic. | 
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Grosse Ile Toll Bridge
Bridge Road Bridge |
 | Bridge Road Over Trenton Channel (Detroit River) | Grosse Ile: Wayne County, Michigan | Metal Rivet-Connected Polygonal Warren Through Truss, Movable: Swing (Rim Bearing Center Pier) and Approach Spans: Metal 8 Panel Rivet-Connected Polygonal Warren Through Truss, Fixed |
Total Length: 1030 ft Main Span Length: 304 ft Roadway Width: 21.3 ft Main Spans: 1 |
1913 By: Whitehead and Kales Company of River Rouge, Michigan and Detroit Bridge and Steel Works of River Rouge, Michigan | This is one of the longest truss bridges in Michigan, and is a rare swing bridge. | 
|
International Railroad Bridge
Swing Bridge Span |
| Railroad (Wisconsin Central) Over St. Marys River and Associated Canal System | Sault Ste. Marie: Chippewa County, Michigan and Algoma District, Ontario | Metal Pin-Connected Baltimore Through Truss, Movable: Swing (Rim Bearing Center Pier) | Main Spans: 2 | 1887 By: Dominion Bridge Company of Montréal, Québec | This is the swing span portion of the magnificent, monumental International Railroad Bridge. | 
|
Macombs Dam Bridge
Central Bridge |
 | Jerome Avenue and 155th Street Over Harlem River | New York: Bronx, New York and Manhattan, New York | Metal Pin-Connected Pratt Through Truss, Movable: Swing (Rim Bearing Center Pier) |
Total Length: 2540 ft Main Span Length: 415 ft Roadway Width: 44 ft Main Spans: 1 |
1895 By: Passaic Rolling Mill Company of Paterson, New Jersey | One of the most beautiful bridges in New York City, this swing bridge has been preserved. | 
|
Main Street Bridge
|
| Main Street Over Powwow River | Amesbury: Essex County, Massachusetts | Metal Rivet-Connected Parker Through Truss, Movable: Swing (Rim Bearing Center Pier) |
Total Length: 110 ft Main Span Length: 104 ft Roadway Width: 22.3 ft Main Spans: 1 |
1891 By: Boston Bridge Works of Boston, Massachusetts | A rare and unusual example of a very small swing bridge, sadly this structure was rendered decorative in a severe alteration. | 
| ! |
Northern Avenue Bridge
|
 | Northern Avenue Over Fort Point Channel | Boston: Suffolk County, Massachusetts | Metal Pin-Connected Pratt Through Truss, Movable: Swing (Rim Bearing Center Pier) |
Main Span Length: 283 ft Roadway Width: 80 ft Main Spans: 1 |
1908 By: Unknown | This beautiful, yet unusual bridge features four truss lines and vertical endposts. | 
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Rocks Village Bridge
|
| Bridge Street Over Merrimack River | Rocks Village: Essex County, Massachusetts | Metal Rivet-Connected Double-Intersection Warren Through Truss, Movable: Swing (Rim Bearing Center Pier) and Approach Spans: Metal Rivet-Connected Truss, Fixed |
Total Length: 812 ft Main Span Length: 192 ft Roadway Width: 24 ft Main Spans: 1 |
1883 By: Boston Bridge Works of Boston, Massachusetts | The oldest example of riveted connections in the state, this bizarre bridge has a five unique span types built during three different instances. | 
| X |
Willis Avenue Bridge
|
| Willis Avenue Over Harlem River | New York: Bronx, New York and Manhattan, New York | Metal Rivet-Connected Lattice (Quadruple Warren) Through Truss, Movable: Swing (Rim Bearing Center Pier) |
Total Length: 3212 ft Main Span Length: 304 ft Roadway Width: 42 ft Main Spans: 1 |
1901 By: Edge Moor Bridge Works of Wilmington, Delaware | A unique bridge that truly gained its incredible beauty from its superstructure design alone. | 
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