| 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 |
Choate Bridge
|
 | Main Street (MA-133, MA-1A) Over Ipswich River | Ipswich: Essex County, Massachusetts | Stone Segmental Deck Arch, Fixed |
Total Length: 72 ft Main Span Length: 30 ft Roadway Width: 26.6 ft Main Spans: 2 |
1764 By: Colonel John Choate | Predating the existance of the country it resides in, this is the second oldest remaining bridge in the United States! | 
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County Street Bridge
|
 | County Street Over Ipswich River | Ipswich: Essex County, Massachusetts | Stone Segmental Deck Arch, Fixed |
Total Length: 68 ft Main Span Length: 30 ft Roadway Width: 30 ft Main Spans: 2 |
1861 By: Unknown | One of several ancient and historic stone arch bridges in Ipswich. | 
|
Duck Bridge
Union Street Bridge |
 | Union Street Over Merrimack River | Lawrence: Essex County, Massachusetts | Metal 9 Panel Rivet-Connected Double-Intersection Warren Through Truss, Fixed |
Total Length: 610 ft Main Span Length: 131 ft Roadway Width: 26.2 ft Main Spans: 5 |
1888 By: Boston Bridge Works of Boston, Massachusetts and George L. Vose | This incredible bridge is a large, multi-span example of an uncommon truss type and an early riveted connections truss. | 
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Green Street Bridge
|
 | Green Street Over Ipswich River | Ipswich: Essex County, Massachusetts | Stone Semicircular Deck Arch, Fixed |
Total Length: 102 ft Main Span Length: 47 ft Roadway Width: 23 ft Main Spans: 2 |
1894 By: Unknown | One of the largest of several ancient and historic stone arch bridges in Ipswich. | 
| ! |
Groveland Bridge
Bates Bridge |
 | MA-113 and MA-97 Over Merrimack River | Groveland: Essex County, Massachusetts | Metal Through Girder, Movable: Bascule (Fixed Trunnion) and Approach Spans: Metal 8 Panel Rivet-Connected Pratt Through Truss, Fixed |
Total Length: 790 ft Main Span Length: 117 ft Roadway Width: 27 ft Main Spans: 1 |
1914 By: Boston Bridge Works of Boston, Massachusetts and George F. Swain | This unusual bridge has large through truss approach spans that overwhelm and all but hide the plate girder main span. | 
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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. | 
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Mill Street Bridge
|
 | Mill Street Over North Canal | Lawrence: Essex County, Massachusetts | Metal 6 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Boston Bridge Works of Boston, Massachusetts | A wide, heavy duty pony truss that likely was originally built for the use of area mills and industry. | 
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North Canal Bridge
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| Access Road Over North Canal | Lawrence: Essex County, Massachusetts | Metal 8 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown | A small, lightweight pony truss that likely was originally built for the use of area mills and industry. | 
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North Canal Railroad Bridge
|
 | Railroad (Rail-Trail) Over North Canal | Lawrence: Essex County, Massachusetts | Metal 6 Panel Rivet-Connected Warren Through Truss, Fixed | Main Spans: 1 | By: Unknown | A short but massive, heavilly skewed railroad bridge was restored for pedestrians. | 
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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. | 
| ! |
Salem Street Bridge
|
 | Salem Street Over Railroad (MBTA, Amtrak) | Lawrence: Essex County, Massachusetts | Metal 12 Panel Rivet-Connected Lattice (Quadruple Warren) Through Truss, Fixed |
Total Length: 146 ft Main Span Length: 143 ft Roadway Width: 37.4 ft Main Spans: 1 |
1910 By: Boston Bridge Works of Boston, Massachusetts | This unique bridge is very significant as a highway lattice truss with three truss lines, yet is slated for demolition. | 
| ! |
South Canal Bridge
|
| Access Road Over South Canal | Lawrence: Essex County, Massachusetts | Metal 5 Panel Rivet-Connected Pratt Full-Slope Pony Truss, Fixed | Main Spans: 1 | By: Unknown | This once proud truss bridge has suffered from structural failure. | 
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