| "S" Bridge | |
| Designated Other1 Name: | Pennsylvania state historical marker |
| Designated Other1 Abbr: | PHMC |
| Designated Other1 Date: | May 28, 1947[1] |
| Designated Other1 Link: | List of Pennsylvania state historical markers |
| Designated Other1 Color: | navy |
| Designated Other1 Textcolor: |
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| Designated Other2 Name: | Washington County History & Landmarks Foundation Landmark |
| Designated Other2 Link: | Washington County History & Landmarks Foundation |
| Designated Other2 Color: |
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| Nearest City: | Washington, Pennsylvania |
| Coordinates: | 40.1394°N -80.35°W |
| Built: | 1818 |
| Added: | April 04, 1975 |
| Refnum: | 75001676 |
The Claysville "S" Bridge is a historic S bridge in Washington County, Pennsylvania. The bridge is made of stone and was a part of the Cumberland Road (later National Road) and helped transport wagons and stagecoaches amid the American westward expansion in the early 19th century. It passes over Buffalo Creek.[2]
In 1947, the Pennsylvania Historical and Museum Commission installed a historical marker noting the historic importance of the bridge. It is designated as a historic bridge by the Washington County History & Landmarks Foundation.[3]