| 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. |
| 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 | Facility Carried / Feature Intersected | Location | Structure Type | Construction Date / Builder or Contractor | Description | Thumbnail |
Dundee Railroad Bridge
| Railroad (Ann Arbor Railroad) Over River Raisin | Dundee: Monroe County, Michigan | Metal Riveted Pratt Through Truss, Stationary | 0 By: Unknown | This through truss also has some plate girder approaches, and the main truss span is supported by unusual caissons. | 
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Half Road Bridge
| Half Road Over North Branch Macon Creek | Rural: Monroe County, Michigan | Metal Pinned Pratt Half-Hip Pony Truss, Stationary | 1910 By: Unknown | This small rural pony truss is not just tucked in the trees... it has a tree growing through a part of it! | 
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Jefferson Avenue Bridge
| Jefferson Avenue Over Huron River | Rural: Wayne County, Michigan and Monroe County, Michigan | Metal Stringer, Stationary | 1931 By: W. J. Anschutz | This bridge and the Harbin Drive bridge are joined together to form the appearance of a single bridge. | 
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Kimpton Road Bridge
| Kimpton Road Over South Branch Macon Creek | Rural: Monroe County, Michigan | Metal Pinned Pratt Half-Hip Pony Truss, Stationary | 0 By: Unknown | This is a very attractive half-hip pin connected Pratt pony truss with high clearance above the creek. | 
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Monk Road Bridge
| Monk Road Over Middle Branch Macon Creek | Rural: Monroe County, Michigan | Metal Pinned Pratt Half-Hip Pony Truss, Stationary | 0 By: Unknown | This nice little pony truss helps remind people that Monk Road was at one time more than a series of dead ends. | 
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Monroe Canadian National Railroad Bridge
| Railroad (Canadian National) Over River Raisin | Monroe: Monroe County, Michigan | Metal Riveted Warren Through Truss, Stationary | 1912 By: American Bridge Company of New York, New York | Sitting next to the Norfolk Southern Bridge, this bridge is itself an impressive three-span through truss bridge. | 
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Monroe CSX Railroad Bridge
| Railroad (CSX) Over River Raisin | Monroe: Monroe County, Michigan | Metal Riveted Warren Through Truss, Stationary | 1911 By: American Bridge Company of New York, New York | This is an impressive two-span through railroad truss with attractive portal bracing. | 
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Monroe Norfolk Southern Railroad Bridge
| Railroad (Norfolk Southern) Over River Raisin | Monroe: Monroe County, Michigan | Metal Pinned Baltimore Through Truss, Stationary | 1910 By: Unknown | This spectacular bridge is not only impressive to the eye, it is also a rare pinned Baltimore truss. | 
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Oelke Road Bridge
| Oelke Road Over North Branch Macon Creek | Rural: Monroe County, Michigan | Metal Pinned Pratt Half-Hip Pony Truss, Stationary | 1899 By: Unknown | This is the oldest and largest of the Monroe County pony trusses, and retains original pole guardrails. | 
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Rockwood Railroad Bridge
| Railroad (Norfolk Southern) Over Huron River | Rockwood: Wayne County, Michigan and Monroe County, Michigan | Metal Riveted Baltimore Through Truss, Stationary | 0 By: Unknown | A nice railroad through truss with unusual portal bracing and deck plate girder approaches. | 
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Sherman Road Bridge
| Sherman Road Over North Branch Macon Creek | Rural: Monroe County, Michigan | Metal Pinned Pratt Half-Hip Pony Truss, Stationary | 0 By: Unknown | One of several abandoned small pony truss bridges in the county. | 
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Sigler Road Bridge
| Sigler Road Over I-75 | Rural: Monroe County, Michigan | Concrete Curved T-Beam, Stationary | 1954 By: Unknown | This is an unmodified example of a historic curved t-beam, an old example that actually predates the official Interstate system. | 
| X |
U.S. Turnpike Bridge
| U.S. Turnpike Over Mouillee Creek | Rural: Monroe County, Michigan | Metal Stringer, Stationary | 1927 By: Unknown | This is an early example of a late 1920s and 1930s bridge that carries a lot of truck traffic. | 
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