| 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 |
4 3/4 Mile Road Bridge
|
 | 4 3/4 Mile Road Over Pine River | Rural: Midland County, Michigan | Metal 8 Panel Pin-Connected Pratt Through Truss, Fixed |
Total Length: 120 ft Main Span Length: 116 ft Roadway Width: 15 ft Main Spans: 1 |
1903 By: Tunnel City Bridge and Iron Works of Port Huron, MI | The only known bridge built by the Tunnel City Bridge and Iron Works was relocated to a private subdivision. | 
|
7 Mile Road Bridge
|
 | 7 Mile Road Over Salt River | Sanford: Midland County, Michigan | Concrete 90 Foot Plan Curved Chord Through Girder, Fixed |
Total Length: 92 ft Main Span Length: 90 ft Roadway Width: 22 ft Main Spans: 1 |
1927 By: Unknown and Michigan State Highway Department | This concrete camelback has been beautifully preserved! | 
| X |
Ball Road Bridge
|
 | Ball Road Over Little Salt Creek | Rural: Midland County, Michigan | Metal 3 Panel Pin-Connected Pratt Bedstead Pony Truss, Fixed |
Total Length: 42 ft Main Span Length: 41 ft Roadway Width: 13 ft Main Spans: 1 |
1901 By: Unknown | One of the rarest bridges in Michigan, this last remaining bedstead was demolished. | 
|
Currie Parkway Bridge
Upper Bridge |
 | Currie Parkway Over Tittabawassee River | Midland: Midland County, Michigan | Metal 8 Panel Pin-Connected Pratt Through Truss, Fixed |
Total Length: 140.8 ft Main Span Length: 140.8 ft Roadway Width: 14 ft Main Spans: 1 |
1908 By: Joliet Bridge and Iron Company of Joliet, Illinois | This bridge featuring a larger portal bracing design than on most Michigan truss bridges, also had an arch added to keep it open to traffic. | 
|
Irish Street Bridge
|
| Irish Street Over Salt River | Rural: Midland County, Michigan | Concrete 90 Foot Plan Curved Chord Through Girder, Fixed |
Total Length: 94.8 ft Main Span Length: 90 ft Roadway Width: 20 ft Main Spans: 1 |
1927 By: E. C. Nolan and Son of Detroit, Michigan and Michigan State Highway Department | This impressive concrete camelback bridge provides a look back at an interesting story. | 
| X |
Lewis Road Bridge
|
 | Lewis Road Over Little Salt Creek | Rural: Midland County, Michigan | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 53.2 ft Main Span Length: 48 ft Roadway Width: 16 ft Main Spans: 1 |
1910 By: Unknown | Despite the fact that few Michigan truss bridges are in such good condition, this bridge is doomed. | 
|
North Saginaw Road Bridge
Gratiot Avenue Bridge / Perrine Road Bridge |
 | Perrine Road Over Sturgeon Creek | Rural: Midland County, Michigan | Metal 8 Panel Rivet-Connected Parker Pony Truss, Fixed |
Total Length: 112 ft Main Span Length: 108.6 ft Roadway Width: 27 ft Main Spans: 1 |
1920 By: Sarnia Bridge Company of Sarnia, Ontario and Michigan State Highway Department | A large Parker pony truss with great historic significance, which has moved two times! | 
|
Sanford Railroad Bridge
|
| Railroad (Rail-Trail) Over Tittabawassee River | Sanford: Midland County, Michigan | Metal 5 Panel Rivet-Connected Pratt Through Truss, Fixed | Main Spans: 1 | 1912 By: Unknown | A classic Pratt railroad truss serves as part of a rail-trail. | 
|
Smiths Crossing Bridge
|
| Smiths Crossing Road (Bailey Bridge Road) Over Tittabawassee River | Mapleton (Rural): Midland County, Michigan | Metal 9 Panel Pin-Connected Pratt Through Truss, Fixed |
Total Length: 300 ft Main Span Length: 150 ft Roadway Width: 15.4 ft Main Spans: 2 |
1907 By: Joliet Bridge and Iron Company of Joliet, Illinois | Among Michigan's longest truss bridges is this impressive two-span structure. | 
|
US-10 Eastbound Patrick Road Bridge
|
 | US-10 Over Patrick Road (North Union Road) | Midland: Midland County, Michigan | Concrete Continuous Curved T-Beam, Fixed |
Total Length: 128 ft Main Span Length: 50 ft Roadway Width: 42 ft Main Spans: 3 |
1960 By: Walter Toebe Company and Michigan State Highway Department | This overpass is noted for its original railings, as well as its curved and superelevated design. | 
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