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| 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 |
Dietzenbach Bottom Bridge
Mill Race Bridge |
| Pheasant Road (Old Alignment) Over Turkey River | Rural: Fayette County, Iowa | Metal 6 Panel Pin-Connected Warren Through Truss, Fixed |
Total Length: 121 ft Main Span Length: 121 ft Roadway Width: 16.1 ft Main Spans: 1 |
1890 By: Chicago Bridge and Iron Works of Chicago, Illinois | A rare example of a pin-connected Warren truss, this bridge was bypassed and abandoned. |
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Eldorado Bridge
Iowa Bridge Number 152920 |
| State Street Over Turkey River | Eldorado: Fayette County, Iowa | Metal 7 Panel Pin-Connected Camelback Through Truss, Fixed |
Total Length: 130 ft Main Span Length: 130 ft Roadway Width: 15.8 ft Main Spans: 1 |
1899 By: J. G. Ratcliff of Waukon, Iowa | A historically intact example of an uncommon truss type. |
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Major Road Bridge
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| Major Road (Old Alignment) Over Little Turkey River | Rural: Fayette County, Iowa | Metal 6 Panel Pin-Connected Warren Through Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed | Main Spans: 1 | By: Unknown | One of two rare examples of a pin-connected Warren truss in the county, bypassed and abandoned. |
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West Auburn Bridge
Iowa Bridge Number 153270 |
| Neon Road Over Turkey River | Rural: Fayette County, Iowa | Metal 9 Panel Pin-Connected Whipple Through Truss, Fixed |
Total Length: 181 ft Main Span Length: 165 ft Roadway Width: 15.7 ft Main Spans: 1 |
1881 By: Horace E. Horton of Minneapolis, Minnesota | A rare truss type is an early example of work done by a noteworthy regional bridge builder. |
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