| 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 |
Chimney Rock Bridge
| Chimney Rock Road Over Upper Iowa River | Rural: Winneshiek County, Iowa | Metal Pinned Parker Through Truss, Stationary | 1906 By: Continental Bridge Company of Chicago and Peotone, Illinois | A beautiful and significant bridge built by an uncommon and elusive builder. | 
| ! |
Upper Bluffton Bridge
| West Ravine Road Over Upper Iowa River | Bluffton: Winneshiek County, Iowa | Metal Pinned Pratt Through Truss, Stationary | 1880 By: Wrought Iron Bridge Company of Canton, Ohio | This is a textbook example of the work its builder did, and also has a rare Queenpost approach. | 
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