| 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 |
Caledonia Bridge
|
 | Caledonia Northern Road (CR-194) Over Olentangy River | Caledonia: Marion County, Ohio | Metal Pin-Connected Bowstring Through Truss, Fixed |
Total Length: 104 ft Main Spans: 1 |
1873 By: Wrought Iron Bridge Company of Canton, Ohio | A rare, and early example of a Wrought Iron Bridge Company bowstring, this bridge is long abandoned. | 
|
Caledonia CSX Railroad Bridge
|
 | Railroad (CSX) Over Whetstone Creek | Caledonia: Marion County, Ohio | Metal 6 Panel Rivet-Connected Warren Through Truss, Fixed | Main Spans: 1 | By: Unknown | This bridge is one of two railroad truss bridges sitting side by side. | 
|
Caledonia New York Central Railroad Bridge
|
 | Railroad (Abandoned New York Central) Over Whetstone Creek | Caledonia: Marion County, Ohio | Metal Rivet-Connected Lattice (Quadruple Warren) Through Truss, Fixed | Main Spans: 1 | By: Unknown | This is an outstanding and uncommon example of a lattice truss bridge. | 
| X |
Clark Road Bridge
|
 | Clark Road (CR-13) Over Scioto River | Rural: Marion County, Ohio | Metal 10 Panel Pin-Connected Pratt Through Truss, Fixed |
Total Length: 164 ft Main Span Length: 160 ft Roadway Width: 16 ft Main Spans: 1 |
1916 By: Central Concrete and Construction Company of Canton, Ohio | Although rehabilitated in the past, a recent car crash damaged this beautiful bridge, putting its fate in question. | 
| X |
Prospect Bridge
|
| Water Street (OH-47) Over Scioto River | Prospect: Marion County, Ohio | Metal 11 Panel Pin-Connected Parker Through Truss, Fixed |
Total Length: 226 ft Main Span Length: 217 ft Roadway Width: 22 ft Main Spans: 1 |
1913 By: Standard Engineering Company of Toledo, Ohio | This stunning, ornate Parker truss will no longer be the main attraction and centerpiece of Prospect. | 
| ! |
St. James Road Bridge
|
| St. James Road (CR-141 East) Over Olentangy River | Rural: Marion County, Ohio | Metal 10 Panel Pin-Connected Parker Through Truss, Fixed |
Total Length: 193 ft Main Span Length: 188 ft Roadway Width: 28.5 ft Main Spans: 1 |
By: Unknown | This is a highly attractive, traditional pin-connected Parker truss. | 
|
Wyandot-Marion Road Bridge
|
 | Wyandot-Marion Road (TR-68) Over Little Sandusky River | Rural: Marion County, Ohio and Wyandot County, Ohio | Metal 4 Panel Rivet-Connected Pratt Full-Slope Pony Truss, Fixed |
Total Length: 73.2 ft Main Span Length: 70 ft Roadway Width: 15.4 ft Main Spans: 1 |
By: Unknown | This small pony truss bridge has counter added using members salvaged from another bridge. | 
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