| 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 |
6 Mile Creek Road Bridge
West Haven Bridge |
 | 6 Mile Creek Road Over Shiawassee River | Rural: Shiawassee County, Michigan | Metal 8 Panel Pin-Connected Pratt Through Truss, Fixed |
Total Length: 132 ft Main Span Length: 128 ft Roadway Width: 16 ft Main Spans: 1 |
By: Morse Bridge Company of Youngstown, Ohio | With its beautiful and unusual portal bracing design, this bridge is among Michigan's finest bridges. | 
|
Bath Road Bridge
Clark Road Bridge |
 | Bath Road (Clark Road) Over Looking Glass River | Rural: Shiawassee County, Michigan | Concrete 40 Foot Plan Curved Chord Through Girder, Fixed |
Total Length: 41 ft Main Span Length: 36.7 ft Roadway Width: 23 ft Main Spans: 1 |
1925 By: Unknown and Michigan State Highway Department | The only example of its kind in the county, this bridge is in good condition. | 
|
Bennington Road Bridge
|
 | Bennington Road Over Bear Creek | Rural: Shiawassee County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 27 ft Main Span Length: 24 ft Roadway Width: 23 ft Main Spans: 1 |
1925 By: Unknown | This is a good example of a small-scale 1920s bridge in Michigan, featuring the typical railing of the period. | 
|
Byron Railroad Bridge
|
 | Railroad (MDOT Owned) Over Shiawassee River | Byron: Shiawassee County, Michigan | Metal 8 Panel Rivet-Connected Warren Deck Truss, Fixed |
Total Length: 104 ft Main Span Length: 104 ft Roadway Width: 11 ft Main Spans: 1 |
By: Toledo-Massillon Bridge Company of Toledo, Ohio | An excellent and locally uncommon example of a railroad deck truss. | 
| X |
Hibbard Road Bridge
|
 | Hibbard Road Over Bear Creek | Rural: Shiawassee County, Michigan | Concrete Through Girder, Fixed |
Total Length: 34.8 ft Main Span Length: 31.8 ft Roadway Width: 23 ft Main Spans: 1 |
1927 By: Unknown and Michigan State Highway Department | This concrete girder bridge suffers from advanced deterioration. | 
| X |
Juddville Road Bridge
|
 | Juddville Road Over Shiawassee River | Rural: Shiawassee County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 192 ft Main Span Length: 67 ft Roadway Width: 23 ft Main Spans: 3 |
1958 By: Unknown and Michigan State Highway Department | A later example of a beam bridge displaying MSHD standard railings that have an attractive element to them. | 
| X |
Lansing Road Bridge
|
 | Lansing Road Over Looking Glass River | Rural: Shiawassee County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 42 ft Main Span Length: 34.8 ft Roadway Width: 40 ft Main Spans: 1 |
1931 By: J. B. Jewell and Michigan State Highway Department | This is a small example of an attractive steel stringer bridge built in the late 20s and early 30s in Michigan. | 
|
Martin Road Bridge
Valley Mills Bridge |
| Martin Road Over Shiawassee River | Rural: Shiawassee County, Michigan | Metal 9 Panel Pin-Connected Pratt Through Truss, Fixed |
Total Length: 118.8 ft Main Span Length: 114.8 ft Roadway Width: 15 ft Main Spans: 1 |
1885 By: Mount Vernon Bridge Company of Mount Vernon, Ohio | This ancient bridge displays remarkable beauty and historic integrity, yet is in danger of collapse! | 
|
Morrice Road Bridge
|
| Morrice Road Over Looking Glass River | Rural: Shiawassee County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 65 ft Main Span Length: 59.7 ft Roadway Width: 29 ft Main Spans: 1 |
1953 By: Raff and Dexter of Lansing, Michigan and Michigan State Highway Department | A typical example of a mid-20th Century county bridge in Michigan. | 
|
New Lothrop Road Bridge
|
 | New Lothrop Road Over Shiawassee River | Rural: Shiawassee County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 138.8 ft Main Span Length: 56.8 ft Roadway Width: 23 ft Main Spans: 3 |
1955 By: Raff and Dexter of Lansing, Michigan and Michigan State Highway Department | A traditional and representative example of a mid-20th century stringer in Michigan. | 
|
Newberry Road Bridge
|
 | Newberry Road Over Railroad (CN) | Rural: Shiawassee County, Michigan | Metal Through Girder, Fixed and Approach Spans: Wood Stringer (Multi-Beam), Fixed | Main Spans: 1 | By: Unknown | An unusual wood and metal combination overpass. | 
|
Oakwood Avenue Bridge
|
 | Oakwood Avenue Over Shiawassee River | Owosso: Shiawassee County, Michigan | Metal 11 Panel Pin-Connected Whipple Through Truss, Fixed |
Total Length: 133.5 ft Main Span Length: 133 ft Roadway Width: 19.5 ft Main Spans: 1 |
By: Wrought Iron Bridge Company of Canton, Ohio | A rare, ancient Whipple truss is maintained for pedestrian use. | 
| X |
Seymour Road Bridge
|
 | Seymour Road Over Six Mile Creek | Rural: Shiawassee County, Michigan | Concrete T-Beam, Fixed |
Total Length: 26 ft Main Span Length: 23 ft Roadway Width: 20 ft |
1925 By: Unknown | An unusual little concrete bridge. | 
| X |
Shaftsburg Road Bridge
|
| Shaftsburg Road Over Bear Creek | Rural: Shiawassee County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 37.7 ft Main Span Length: 33.8 ft Roadway Width: 26 ft Main Spans: 1 |
By: Unknown | This appears to be an unusual variation of a standard plan stringer bridge. | 
|
Vernon Railroad Bridge
|
| Railroad (Abandoned Tuscola and Saginaw Bay) Over Holly Drain | Vernon: Shiawassee County, Michigan | Metal Through Girder, Fixed | By: Unknown | A small skewed through plate girder on an abandoned railroad. | 
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