| 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 |
Ash Street Bridge
|
 | Ash Street (Pedestrian Walkway) Over Main Canal | Lewiston: Androscoggin County, Maine | Concrete T-Beam, Fixed | Main Spans: 1 | By: Unknown | This is one of several old bridges along this canal. | 
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Auburn Riverwalk Bridge
|
 | Railroad (Auburn Riverwalk Rail-Trail) Over Androscoggin River | Lewiston and Auburn: Androscoggin County, Maine | Metal 8 Panel Rivet-Connected Warren Through Truss, Fixed | Main Spans: 3 | By: Unknown | This multi-span railroad truss bridge has been converted for non-motorized public use. | 
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Lisbon Falls Bridge
Durham Bridge |
 | Canal Street (ME-9 and ME-125) Over Androscoggin River | Lisbon Falls: Androscoggin County, Maine | Metal Continuous Rivet-Connected Polygonal Warren Through Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 362 ft Main Span Length: 168 ft Roadway Width: 22 ft Main Spans: 2 |
1936 By: American Bridge Company of New York, New York and Max L. Wilder, Maine State Highway Commission | This extremely unusual assymetrical continuous truss with a flared stringer approach span is surrounded by a beautiful setting. | 
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Lisbon Falls Canal Bridge
|
 | Worumbo Dam Access Road Over Lisbon Falls Canal | Lisbon Falls: Androscoggin County, Maine | Concrete Closed Spandrel Deck Arch, Fixed | Main Spans: 1 | By: Unknown | This is a deteriorated concrete arch bridge with a very slim profile. | 
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Little River Plate Girder Railroad Bridge
|
 | Railroad (Maine Central) Over Little River | Lisbon Falls: Androscoggin County, Maine and Sagadahoc County, Maine | Metal Through Girder, Fixed | Main Spans: 1 | By: Unknown | This is a small, traditional plate girder bridge. | 
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Little River Truss Railroad Bridge
|
 | Railroad (Abandoned Maine Central) Over Little River | Lisbon Falls: Androscoggin County, Maine and Sagadahoc County, Maine | Metal Rivet-Connected Double-Intersection Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown | This interesting bridge is a rare variety of railroad truss bridge. | 
| ! |
Littlefield Corner Bridge
|
 | Hotel Road Over Little Androscoggin River | Littlefield Corner: Androscoggin County, Maine | Metal 5 Panel Rivet-Connected Pratt Through Truss, Fixed |
Total Length: 115.2 ft Main Span Length: 108 ft Roadway Width: 22 ft Main Spans: 1 |
1937 By: Berlin Construction Company of Berlin Connecticut | This attractive through truss bridge continues to carry heavy traffic. | 
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Littlefield Corner Interurban Bridge
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| Railroad (Abandoned Portland-Lewiston Interurban) Over Little Androscoggin River | Littlefield Corner: Androscoggin County, Maine | Concrete Closed Spandrel Deck Arch, Fixed |
Main Span Length: 100 ft Main Spans: 1 |
1914 By: Unknown | This long-abandoned arch bridge is one of three historic bridges at this location. | 
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Littlefield Corner Railroad Bridge
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| Railroad (Canadian National) Over Little Androscoggin River | Littlefield Corner: Androscoggin County, Maine | Metal 6 Panel Rivet-Connected Warren Through Truss, Fixed | Main Spans: 1 | By: Unknown | This is a traditionally composed railroad truss bridge and one of three historic bridges side by side here. | 
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Main Canal Bridge
|
 | Pedestrian Walkway Over Main Canal | Lewiston: Androscoggin County, Maine | Metal Through Girder, Fixed | Main Spans: 1 | By: Unknown | One of several bridges on this canal, this pedestrian bridge retains good historic integrity. | 
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Main Street Bridge
|
 | Main Street (ME-136) Over Little Androscoggin River | Auburn: Androscoggin County, Maine | Metal Through Girder, Fixed |
Total Length: 95 ft Main Span Length: 90 ft Roadway Width: 45 ft Main Spans: 1 |
1948 By: Unknown | This bridge is a representative example of a highway plate girder bridge in Maine. | 
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Mechanic Falls Bridge
|
 | ME-11 and ME-121 (Pleasant Street, Elm Street) Over Little Androscoggin River | Mechanic Falls: Androscoggin County, Maine | Concrete Continuous Slab, Fixed |
Total Length: 189 ft Main Span Length: 64 ft Roadway Width: 28 ft Main Spans: 1 |
1949 By: Unknown | This is an unusual continuous concrete variable depth slab bridge with good historic integrity. | 
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Mechanic Falls Railroad Bridge
|
 | Railroad (Canadian National) Over Little Androscoggin River | Mechanic Falls: Androscoggin County, Maine | Metal 7 Panel Pin-Connected Pratt Deck Truss, Fixed | Main Spans: 1 | By: Unknown | This is a rare example of a pin-connected truss bridge in Maine. | 
|
South Bridge
Bernard Lown Peace Bridge |
 | Cedar Street and Broad Street Over Androscoggin River | Lewiston and Auburn: Androscoggin County, Maine | Metal 8 Panel Rivet-Connected Polygonal Warren Through Truss, Fixed |
Total Length: 723 ft Main Span Length: 235 ft Roadway Width: 40.7 ft Main Spans: 3 |
1937 By: Phoenix Bridge Company of Phoenixville, Pennsylvania | This is an impressive multi-span example of a 1930s truss bridge in Maine. | 
|
Village Street Bridge
Webster Road Bridge |
| Village Street (Webster Road) Over Sabbatus River | Lisbon: Androscoggin County, Maine | Concrete Closed Spandrel Deck Arch, Fixed |
Total Length: 140 ft Main Span Length: 67 ft Roadway Width: 28.2 ft Main Spans: 2 |
1913 By: Sanders Contracting Company of Portland, Maine | This is a well-maintained arch bridge | 
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Wiseman Bridge
|
| Chestnut Street Over Main Canal | Lewiston: Androscoggin County, Maine | Concrete Rainbow Through Arch, Fixed |
Total Length: 74.2 ft Main Span Length: 64 ft Roadway Width: 24 ft Main Spans: 1 |
1928 By: Unknown | This beautiful bridge is one of only two rainbow arch bridges in the entire state of Maine! | 
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