An S bridge is a bridge whose alignment follows a reverse curve, shaped roughly like a shallow letter S in plan, used in early 19th-century road construction in the United States. They were generally used for crossing small, curving streams with uneven banks.

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 .

2015年5月11日 · The 's' bridge is a very unusual structure! There were actually several of these on the old National Trail, but this one is relatively easy to get to and see. It is no longer actually on Route 40, the road was routed to a newer bridge, but …

2007年8月2日 · This bridge is one of several surviving stone arch bridges dating to the first half of the 1800s that were built to carry one of the most important transportation routes in American history, the National Road, also called the Cumberland Road.

四通橋事件，又稱 四通桥抗议，是于2022年10月13日发生在 北京市 四通桥 上的抗议行动。 当日，一名抗议者在该桥挂起两条横幅并播放扩音设备，公开反对 中共中央总书记 习近平，称其为“ 独裁国贼 ”，同时焚烧轮胎燃起浓烟以吸引路人注意。 抗议者提出了罢免 习近平 的党政职务、普选 国家主席 、叫停 清零政策 等诉求。 此后 警察 到现场将其逮捕，消防员清理现场并灭火。 該事件被視為 六四事件 後北京重現少見的抗議運動。 一些媒体将抗议者 彭立发 （网名：彭载舟） …

This bridge is part of the National Road and features a land scaped park. Explore, Relax, Play! | Site developed & maintained by iTrack, llc.

"S" Bridge II is a historic S bridge near New Concord, Ohio, United States. [2] A part of the National Road, the first federally-financed highway in the United States, it was built in 1828. [1] In 1973, it was listed on the National Register of Historic Places. [1]

2011年3月11日 · Claysville S-Bridge National Road Claysville, PA 15323. Built in 1815. The western third of the bridge was removed when the current alignment of Route 40 was built. View user comments below.

2024年11月15日 · Herein, a highly efficient NRR electrocatalyst with S atoms bridging Fe and Mo atoms on the surface of MBene is successfully constructed by using an active site electron optimization strategy, which increases the charge density around the Mo active site and enhances the activation ability of the catalyst to N 2 molecules.

Most S-Bridges date from c. 1825–1828. They are distinctive engineering structures that add considerably to the rich cultural landscape the National Road created. Several stone S-Bridges were erected where the National Road crossed Belmont, Guernsey, and Muskingum Counties in southeastern Ohio.