Ohio, US
The S Bridge is a historic stone arch bridge, spanning Salt Fork about 4 miles (6.4 km) east of Old Washington, Ohio. Built in 1828, it is one of the best-preserved surviving bridges built for the westward expansion of the National Road from Wheeling, West Virginia to Columbus, Ohio. S bridges deriv
e their name from the sharply curving approaches to the span. The bridge was designated a National Historic Landmark in 1964. The bridge is closed to traffic, and may be seen from Blend Road on the north and Rhinehart Road on the south.
Listen to the audio guide for S Bridge, National Road Free on WIP — starts by itself when you arrive, even with the screen off