| 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 | ! |
Anton Street Bridge
|
 | Anton Street Over Sebewaing River | Sebewaing: Huron County, Michigan | Metal 5 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 100 ft Main Span Length: 90 ft Roadway Width: 19.7 ft Main Spans: 1 |
1902 By: Unknown | A skewed, urban, example of a warren pony truss still open to traffic in decent condition. | 
|
Bach Driveway Bridges
|
 | Bayport Road (Adjacent To) Over Columbia Drain | Rural: Huron County, Michigan | Metal 2 Panel Pin-Connected Pratt Half-Hip Pony Truss, Fixed | Main Spans: 1 | 1905 By: Toledo-Massillon Bridge Company of Toledo, Ohio Wynkoop and McGormley, Agents | An extremely rare scene of two tiny truss bridges within sight of each other, one being a rare example of agents Wynkoop and McGormley. | 
| X |
Canboro Road Bridge
|
 | Burt Road Over East Branch Pigeon River | Rural: Huron County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 40 ft Main Span Length: 37.7 ft Roadway Width: 20 ft Main Spans: 1 |
1910 By: Unknown | An old stringer featuring unusual and primitive concrete railing design. | 
| X |
Caseville Bridge
|
 | M-25 (Main Street) Over Pigeon River | Caseville: Huron County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 79.7 ft Main Span Length: 40 ft Roadway Width: 40 ft Main Spans: 2 |
1929 By: Unknown and Michigan State Highway Department | This beautiful stringer bridge retains excellent historic integrity. | 
|
Columbia Drain Private Bridge
|
| Private Trail Over Columbia Drain | Rural: Huron 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 | One of the larger and more impressive private truss bridges in Huron County. | 
|
Huron City Bridge
|
| Pioneer Drive (Lighthouse Road) Over Willow Creek | Huron City: Huron County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 82 ft Main Span Length: 35.8 ft Roadway Width: 30 ft Main Spans: 2 |
By: Unknown and Michigan State Highway Department | A traditional example of a MSHD standard stringer bridge from the late 20s and early 30s. | 
| S |
Kilmanagh Road Bridge
|
 | Kilmanagh Road Over Shebeon Creek | Rural: Huron County, Michigan | Metal 3 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 42 ft Main Span Length: 40 ft Roadway Width: 18 ft Main Spans: 1 |
By: Unknown | One of several warren pony truss bridges in storage on private property in the county. | 
| X |
M-25 Sebewaing Bridge
Unionville Road Bridge |
 | M-25 Over Sebewaing River | Sebewaing: Huron County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 141 ft Main Span Length: 56.8 ft Roadway Width: 38 ft Main Spans: 3 |
1949 By: Fitch-Eva Company and Michigan State Highway Department | This was a well preserved example of mid-20th century stringer technology. | 
|
McAlpin Road Private Bridge
|
| Private Drive Over Columbia Drain | Rural: Huron County, Michigan | Metal 2 Panel Pin-Connected Pratt Half-Hip Pony Truss, Fixed | Main Spans: 1 | By: Unknown | This small bridge is threatened by a collapsing abutment that has tipped forward by nearly a foot. | 
|
Pobanz Road Bridge
|
 | Pobanz Road Over Columbia Drain | Rural: Huron County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 28 ft Main Span Length: 26.2 ft Roadway Width: 20 ft Main Spans: 1 |
1927 By: Unknown | An unusually large number of lattice railing steel stringer remain in Huron County, and this is a typical example. | 
|
Port Crescent Road Bridge
Fire Trail Bridge |
 | Port Crescent Road Over Old Pinnebog River | Port Crescent (Rural): Huron County, Michigan | Metal 6 Panel Pin-Connected Pratt Through Truss, Fixed | Main Spans: 1 | By: Michigan Bridge and Pipe Company of Lansing, Michigan | One of Michigan's most historically intact truss bridges, this bridge is the last through truss in the Thumb of Michigan. | 
|
Rescue Road Bridge
|
| Rescue Road Over East Branch Pigeon River | Rural: Huron County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 28 ft Main Span Length: 26 ft Roadway Width: 19.7 ft Main Spans: 1 |
1915 By: Unknown | This lattice stringer has unusual railings that resemble those found in Ontario. | 
|
Rescue Road State Drain Bridge
|
| Rescue Road Over State Drain | Rural: Huron County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 43 ft Main Span Length: 41 ft Roadway Width: 24.3 ft Main Spans: 1 |
1925 By: Unknown | A longer, single span example of Huron County's numerous remaining lattice railing stringer bridges. | 
| X |
Riskey Road Bridge
|
| Riskey Road Over Columbia Drain | Rural: Huron County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 28 ft Main Span Length: 27 ft Roadway Width: 19 ft Main Spans: 1 |
By: Unknown | This bridge has an extremely poor deck, but the superstructure remains in good condition. | 
|
Sebewaing Railroad Bridge
|
 | Railroad (Huron and Eastern) Over Sebewaing River | Sebewaing: Huron County, Michigan | Metal Through Girder, Fixed | Main Spans: 1 | By: Unknown | This is a multi-span plate girder with a through girder main span and a deck girder approach. | 
|
State Road Bridge
Old Bad Axe Road Bridge |
| State Road (Old Bad Axe Road) Over Pinnebog River | Popple (Rural): Huron County, Michigan | Metal Deck Girder, Fixed |
Total Length: 40.7 ft Main Span Length: 20 ft Roadway Width: 12 ft Main Spans: 2 |
1915 By: Unknown | A rare example of a highway plate girder, this unusual bridge appears to be extremely old. | 
| S |
Stein Road Bridge
|
| Stein Road Over Shebeon Creek | Rural: Huron County, Michigan | Metal 3 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown | This truss bridge was moved from Stein Road onto nearby private property. | 
| S |
Weale Road Private Bridge
|
| Unknown Over Unknown | Rural: Huron County, Michigan | Metal 3 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown | This truss bridge, from an unknown location, has been sitting in a field for some time. | 
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