| 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 |
Deer Isle Bridge
Deer Isle - Sedgwick Bridge |
 | ME-15 (Little Deer Isle Road, Byards Point Road) Over Eggemoggin Reach | Rural: Hancock County, Maine | Metal Through Plate Girder Stiffening Wire Cable Suspension, Fixed and Approach Spans: Metal Deck Girder, Fixed |
Total Length: 2505 ft Main Span Length: 1080 ft Roadway Width: 23.6 ft Main Spans: 3 |
1939 By: Phoenix Bridge Company of Phoenixville, Pennsylvania and Robinson and Steinman | The original imperfect design of this highly significant bridge documents the evolving skills of famous engineer David Steinman. | 
| ! |
Falls Bridge
Stevens Bridge |
 | ME-175 (Falls Bridge Road) Over Salt Pond (Tidal Basin) | Blue Hill: Hancock County, Maine | Concrete Rainbow Through Arch, Fixed |
Total Length: 114 ft Main Span Length: 100 ft Roadway Width: 20.3 ft Main Spans: 1 |
1926 By: Unknown | One of only two remaining rainbow arch bridges in Maine, this is an impressive, ornate example in a beautiful setting. | 
| X |
Waldo-Hancock Bridge
|
| US-1 Over Penobscot River | Bucksport: Hancock County, Maine and Waldo County, Maine | Metal Pony Truss Stiffening Wire Cable Suspension, Fixed and Approach Spans: Metal Deck Girder, Fixed |
Total Length: 2042 ft Main Span Length: 800 ft Roadway Width: 23 ft Main Spans: 3 |
1931 By: American Bridge Company of New York, New York and Robinson and Steinman | It is a disgrace that Maine allowed a high quality bridge designed by famous David B. Steinman to deteriorate beyond repair. | 
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