| 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 |
280th Street Bridge
CR-G62 Bridge (Iowa Number 235850) |
 | 280th Street (CR-G62) Over Coal Creek | Rural: Mahaska County, Iowa | Metal 6 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 104 ft Main Span Length: 51 ft Roadway Width: 19 ft Main Spans: 1 |
By: Unknown | A small standard plan truss bridge in a scenic rural location. | 
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Bellefountain Bridge
Iowa Bridge Number 34955 |
 | Jefferson Street Over Des Moines River | Near Tracy: Mahaska County, Iowa | Metal 9 Panel Pin-Connected Pratt Through Truss, Fixed |
Total Length: 595.2 ft Main Span Length: 145 ft Roadway Width: 16.1 ft Main Spans: 6 |
1898 By: Clinton Bridge and Iron Works of Clinton, Iowa | One of several large and significant multi-span pin-connected truss bridges on this section of river. | 
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Eveland Bridge
Wilson's Ferry Bridge |
 | Fulton Avenue Over Des Moines River | Rural: Mahaska County, Iowa | Metal Pin-Connected Whipple Through Truss, Fixed |
Total Length: 647 ft Main Span Length: 164 ft Roadway Width: 18 ft Main Spans: 4 |
1877 By: Western Bridge Works of Fort Wayne, Indiana | One of the longest of its type in the nation, also an early, unusual, pre-1880 example of its type, with cast iron components. | 
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