| 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 |
Franklin Street Bridge
| Franklin Street Over Trail Creek | Michigan City: La Porte County, Indiana | Metal Deck Girder, Bascule | 1932 By: Roberts Supply Company of Lima, Ohio | This significant Sherzer rolling lift is the only historic highway bascule bridge in the entire state of Indiana. | 
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Michigan City Railroad Bridge
| Railroad (Norfolk Southern, Amtrak) Over Trail Creek | Michigan City: La Porte County, Indiana | Metal Pinned Pratt Through Truss, Movable: Swing | 0 By: Unknown | This gorgeous swing bridge still operates for boats. | 
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