| 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 |
Adrian and Blissfield Railroad Bridge
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 | Railroad (Adrian and Blissfield) Over River Raisin | Rural: Lenawee County, Michigan | Metal Pin-Connected Pratt Deck Truss, Fixed | Main Spans: 1 | By: Unknown | A very long deck truss buried in the woods. | 
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Adrian Railroad Bridge
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 | Railroad Over South Branch River Raisin | Adrian: Lenawee County, Michigan | Stone Semicircular Deck Arch, Fixed |
Total Length: 75 ft Main Span Length: 22 ft Roadway Width: 25 ft Main Spans: 2 |
1867 By: Unknown | A large two-span stone arch bridge built in 1867. | 
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Bean Creek Private Bridge
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 | Private Trail Over Bean Creek | Rural (Near Hudson): Lenawee County, Michigan | Metal 4 Panel Pin-Connected Pratt Half-Hip Pony Truss, Fixed | Main Spans: 1 | By: Unknown | An example of a once-common structure type that has become increasingly rare. | 
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Blissfield Railroad Bridge
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 | Railroad (Adrian and Blissfield) Over River Raisin | Blissfield: Lenawee County, Michigan | Metal 10 Panel Rivet-Connected Baltimore Through Truss, Fixed |
Total Length: 150 ft Main Span Length: 150 ft Roadway Width: 18 ft Main Spans: 1 |
1907 By: American Bridge Company of New York, New York | A beautiful railroad truss bridge helps people deal with the ugly highway crossing next to the bridge. | 
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Bruce Highway Bridge
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| Bruce Highway Over Black Creek | Rural: Lenawee County, Michigan | Metal 4 Panel Pin-Connected Pratt Half-Hip Pony Truss, Fixed |
Total Length: 63 ft Main Span Length: 63 ft Roadway Width: 13 ft Main Spans: 1 |
1910 By: Unknown | This secluded, pony truss is of decent length and is a very nice looking bridge. | 
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Bucholtz Highway Private Bridge
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| Private Field Crossing Over Little River Raisin South Branch | Rural: Lenawee County, Michigan | Metal 3 Panel Pin-Connected Pratt Half-Hip Pony Truss, Fixed | Main Spans: 1 | By: Massillon Bridge Company of Massillon, Ohio, Smith - Wynkoop and McGormley Agents | A beautiful private farm bridge associated with contracting agents Smith - Wynkoop and McGormley, this pony truss sits rotting away and unused. | 
| ! |
Cole Road Bridge
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| Cole Road Over Fitts Creek | Rural: Lenawee County, Michigan | Metal 3 Panel Pin-Connected Pratt Half-Hip Pony Truss, Fixed |
Total Length: 40 ft Main Span Length: 38.7 ft Roadway Width: 16 ft Main Spans: 1 |
1897 By: Unknown | This small and charming bridge sits on the verge of collapse. | 
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Grosvenor Railroad Bridge
Fayette Branch Railroad Bridge |
 | Railroad (Abandoned Lake Shore and Michigan Southern) Over River Raisin | Rural: Lenawee County, Michigan | Metal 7 Panel Pin-Connected Pratt Through Truss, Fixed | Main Spans: 2 | By: Unknown | Featuring extremely unusual design details that suggest this bridge is ancient, this abandoned bridge is is a rare two-span railroad truss in Michigan. | 
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Hudson Railroad Bridge
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| Railroad (Abandoned Lakeshore and Michigan Southern) Over Bean Creek | Hudson: Lenawee County, Michigan | Stone Segmental Deck Arch, Fixed |
Total Length: 75 ft Main Span Length: 65 ft Roadway Width: 42 ft Main Spans: 1 |
1871 By: Unknown | This is one of the oldest, largest, and most impressive stone arch bridges in Michigan! | 
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