| 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 | S |
Half Road Bridge
|
 | Half Road Over North Branch Macon Creek | Rural: Monroe County, Michigan | Metal 3 Panel Pin-Connected Pratt Half-Hip Pony Truss, Fixed |
Total Length: 41 ft Main Span Length: 36.7 ft Roadway Width: 14 ft Main Spans: 1 |
1910 By: Unknown | This small rural pony truss was not just tucked in the trees... it had a tree growing through a part of it! | 
| ! |
Oelke Road Bridge
|
| Oelke Road Over North Branch Macon Creek | Rural: Monroe County, Michigan | Metal 4 Panel Pin-Connected Pratt Half-Hip Pony Truss, Fixed |
Total Length: 51.8 ft Main Span Length: 51.8 ft Roadway Width: 13.5 ft Main Spans: 1 |
1899 By: Groton Bridge Company of Groton, New York | This is the oldest and largest of the Monroe County pony trusses, and retains original pole guardrails. | 
| S |
Sherman Road Bridge
|
| Sherman Road Over North Branch Macon Creek | Rural: Monroe County, Michigan | Metal 3 Panel Pin-Connected Pratt Half-Hip Pony Truss, Fixed |
Total Length: 40 ft Main Span Length: 37.7 ft Roadway Width: 13.5 ft Main Spans: 1 |
By: Unknown | One of several abandoned small pony truss bridges in the county, this bridge is noted for its wooden railing. | 
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