| 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 |
Charlevoix Bridge
| US-31 (Michigan Avenue / Bridge Street) Over Pine River | Charlevoix: Charlevoix County, Michigan | Metal Deck Girder, Bascule | 1948 By: L. W. Lamb Company of Jackson, Michigan | A classic Michigan plate girder bascule bridge with unusual altered guardrails. | 
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Iron Bridge Road Bridge
| Iron Bridge Road Over West Branch Sturgeon River | Rural: Charlevoix County, Michigan | Metal Pinned Pratt Half-Hip Pony Truss, Stationary | 0 By: Unknown | Located in a wild and scenic area, this little pony truss was restored! | 
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US-31 Railroad Overpass
| Railroad (Abandoned Chesapeake and Ohio) Over US-31 | Rural: Charlevoix County, Michigan | Metal Through Girder, Stationary | 1948 By: L. W. Lamb Company of Jackson, Michigan | With a heavy skew, this is a decent sized three span plate girder overpass in a scenic location. | 
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