| 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 |
Belle River Railroad Bridge
|
 | Railroad (Polly Ann Rail-Trail) Over Belle River | Rural: Lapeer County, Michigan | Stone Semicircular Deck Arch, Fixed | Main Spans: 1 | By: Unknown | A pretty little stone arch bridge is a rare survivor in a county filled with historic bridge demolition. | 
|
Columbiaville Bridge
|
 | Railroad (Abandoned) Over Flint River | Columbiaville: Lapeer County, Michigan | Metal Deck Girder, Fixed |
Total Length: 121 ft Main Span Length: 60.5 ft Roadway Width: 15 ft Main Spans: 2 |
By: Unknown | This standard deck plate girder is only noteworthy for its location in a scenic area. | 
| ! |
Court Street Bridge
|
 | Court Street Over Farmers Creek | Lapeer: Lapeer County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 34.8 ft Main Span Length: 32.8 ft Roadway Width: 44 ft Main Spans: 1 |
1951 By: P. E. Mason Company of Sandusky, Michigan and G. J. McLravy and Sons of Lansing, Michigan | A poorly designed rehabilitation destroys an opportunity to maintain the modest beauty in this small bridge. | 
| X |
Genesee Road Bridge
|
 | Genesee Road Over Railroad (Canadian National) | Rural: Lapeer County, Michigan | Concrete Various Plans Curved Chord Through Girder, Fixed |
Total Length: 147 ft Main Span Length: 67 ft Roadway Width: 21 ft Main Spans: 3 |
1928 By: A. Phelps and Sons and Michigan State Highway Department | Nationally significant, this bridge was the only one of its kind when Lapeer County reduced it to rubble. | 
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Genesee Street Bridge
|
 | Genesee Street Over Farmers Creek | Lapeer: Lapeer County, Michigan | Concrete T-Beam, Fixed |
Total Length: 29 ft Main Span Length: 29 ft Roadway Width: 44 ft Main Spans: 1 |
1933 By: Unknown | A few T-Beam bridges in Michigan, such as this one, were built with railings having the appearance of a tiny concrete camelback bridge. | 
| X |
Imlay City Railroad Bridge
|
 | Railroad (Canadian National) Over Railroad (Rail-Trail) | Imlay City: Lapeer County, Michigan | Metal Through Girder, Fixed | Main Spans: 1 | 1901 By: Detroit Bridge and Iron Works of Detroit, Michigan | This bridge was demolished, despite its significant documented builder and contribution to a rail-trail. | 
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