| 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 |
Elmore Bridge
|
 | Toledo Street (OH-51) Over Portage River | Elmore: Ottawa County, Ohio | Concrete Closed Spandrel Deck Arch, Fixed |
Total Length: 282.2 ft Main Span Length: 76 ft Roadway Width: 30 ft Main Spans: 2 |
1926 By: D. H. Overman | A graceful concrete arch bridge worthy of preservation. | 
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Elmore Railroad Bridge
|
 | Railroad (Rail-Trail) Over Portage River | Elmore: Ottawa County, Ohio | Metal 10 Panel Rivet-Connected Warren Deck Truss, Fixed | Main Spans: 2 | By: Unknown | An attractive deck truss was converted for rail-trail use. | 
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Port Clinton Bridge
|
 | OH-163 (Lakeshore Drive, Monroe Street) Over Portage River | Port Clinton: Ottawa County, Ohio | Metal Deck Girder, Movable: Bascule (Fixed Trunnion) and Approach Spans: Metal Deck Girder, Fixed |
Total Length: 344 ft Main Span Length: 99 ft Roadway Width: 40 ft Main Spans: 1 |
1933 By: A. Bentley and Sons of Toledo, Ohio and Ohio State Highway Department | This is a beautiful, well-decorated, and rare example of a highway bascule bridge in Ohio. | 
|
Port Clinton Railroad Bridge
|
 | Railroad (Norfolk Southern and Amtrak) Over Portage River | Port Clinton: Ottawa County, Ohio | Metal Rivet-Connected Baltimore Through Truss, Movable: Bascule (Heel Trunnion) and Approach Spans: Metal Deck Girder, Fixed |
Main Span Length: 118 ft Main Spans: 1 |
1915 By: Unknown and Strauss Bascule Bridge Company of Chicago, Illinois | This unusual four track bascule bridge, the first of its kind, has plate girders that assist the truss. | 
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Sandusky Bay Railroad Bridge
|
 | Railroad (Norfolk Southern and Amtrak) Over Sandusky Bay | Rural: Erie County, Ohio and Ottawa County, Ohio | Metal Through Girder, Movable: Bascule (Rolling Lift) and Approach Spans: Metal Stringer (Multi-Beam), Fixed | Main Spans: 1 | By: Unknown | This bridge is a noteworthy Ohio example of a Scherzer type rolling lift bascule bridge. | 
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