| 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. |
| 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 | Facility Carried / Feature Intersected | Location | Structure Type | Construction Date / Builder or Contractor | Description | Thumbnail |
Cheboygan Bridge
| US-23 Over Cheboygan River | Cheboygan: Cheboygan County, Michigan | Metal Deck Girder, Movable: Bascule | 1940 By: W.J. Storen Company | This is a tiny double-leaf bascule bridge that was built in 1940. | 
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Cheboygan River Railroad Bridge
| Railroad (Rail-Trail) Over Cheboygan River | Rural: Cheboygan County, Michigan | Metal Riveted Warren Through Truss, Stationary | 1904 By: American Bridge Company of New York, New York | This is a good, early example of a railroad through truss built by the American Bridge Company of New York, New York. | 
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Indian River Bridge
| M-27 (Straits Highway, Old US-27) Over Indian River | Indian River: Cheboygan County, Michigan | Concrete 90 Foot Plan Curved Chord Through Girder, Stationary | 1924 By: J.B. Whitcomb Construction Company | Both beautiful and rare, this easily visited bridge sits next to a railroad plate girder. | 
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