| 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 |
M-26 Cedar Creek Bridge
|
 | M-26 Over Cedar Creek | Rural: Keweenaw County, Michigan | Concrete Closed Spandrel Deck Arch, Fixed | Main Spans: 2 | 1930 By: Keweenaw County Road Commission | One of two attractive culverts with stone facing on this highway. | 
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M-26 Silver River Culvert
Silver River Falls Bridge |
| M-26 Over Silver River | Rural: Keweenaw County, Michigan | Concrete Closed Spandrel Deck Arch, Fixed | Main Spans: 1 | 1930 By: Keweenaw County Road Commission | One of two attractive culverts with stone facing on this highway. | 
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Main Street Bridge
|
 | Main Street Over Eagle River | Eagle River: Keweenaw County, Michigan | Metal 6 Panel Rivet-Connected Pratt Full-Slope Pony Truss, Fixed |
Total Length: 92 ft Main Span Length: 80 ft Roadway Width: 18 ft Main Spans: 1 |
1909 By: Joliet Bridge and Iron Company of Joliet, Illinois | This bridge is one of only two truss bridges in the county and is a long, unaltered, and early example of its type. | 
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Old Lake Shore Drive Bridge
Old M-26 Bridge |
 | Lake Shore Drive (Old M-26) Over Eagle River | Eagle River: Keweenaw County, Michigan | Metal 6 Panel Rivet-Connected Warren Through Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 139 ft Main Span Length: 105 ft Roadway Width: 17 ft Main Spans: 1 |
1915 By: Wisconsin Bridge and Iron Company of Milwaukee, Wisconsin | This bypassed and preserved bridge is one of only a few highway deck truss bridges in Michigan. | 
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US-41 Fanny Hooe Creek Bridge
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 | US-41 Over Fanny Hooe Creek | Copper Harbor: Keweenaw County, Michigan | Concrete Closed Spandrel Deck Arch, Fixed |
Total Length: 30.8 ft Main Span Length: 30.8 ft Roadway Width: 30 ft Main Spans: 1 |
1928 By: Keweenaw County Road Commission and Michigan State Highway Department | With attractive locally sourced stone facing, this historic bridge is the northernmost bridge in Michigan. | 
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