The Williamstown Bridge is a bridge over the Ohio River

Ohio River

The Ohio River is the largest tributary, by volume, of the Mississippi River. At the confluence, the Ohio is even bigger than the Mississippi and, thus, is hydrologically the main stream of the whole river system, including the Allegheny River further upstream...

 between Williamstown

Williamstown, West Virginia

Williamstown is a city in Wood County, West Virginia, United States, along the Ohio River. It is part of the Parkersburg-Marietta-Vienna, WV-OH Metropolitan Statistical Area. The population was 2,996 at the 2000 census...

, West Virginia

West Virginia

West Virginia is a state in the Appalachian and Southeastern regions of the United States, bordered by Virginia to the southeast, Kentucky to the southwest, Ohio to the northwest, Pennsylvania to the northeast and Maryland to the east...

 and Marietta

Marietta, Ohio

Marietta is a city in and the county seat of Washington County, Ohio, United States. During 1788, pioneers to the Ohio Country established Marietta as the first permanent American settlement of the new United States in the Northwest Territory. Marietta is located in southeastern Ohio at the mouth...

, Ohio

Ohio

Ohio is a Midwestern state in the United States. The 34th largest state by area in the U.S.,it is the 7th‑most populous with over 11.5 million residents, containing several major American cities and seven metropolitan areas with populations of 500,000 or more.The state's capital is Columbus...

. The bridge carries West Virginia Route 31 and Ohio State Route 60

Ohio State Route 60

State Route 60 is a north–south state highway that runs the entire length of the U.S. state of Ohio, from State Route 7 along the Ohio River in Marietta to U.S. Route 6 near Lake Erie in Vermilion....

. U.S. Route 21

U.S. Route 21

U.S. Route 21 is a north–south United States highway of , from Hunting Island State Park, South Carolina to Wytheville, Virginia.-South Carolina:...

 was also formerly routed along this bridge.

Original bridge

The original bridge at this site was constructed in 1903. It was the first inland cantilever

Cantilever

A cantilever is a beam anchored at only one end. The beam carries the load to the support where it is resisted by moment and shear stress. Cantilever construction allows for overhanging structures without external bracing. Cantilevers can also be constructed with trusses or slabs.This is in...

 highway bridge in the United States and also site of the first strike, in 1902, by the United Steel Workers union.

Current bridge

The current Williamstown Bridge was completed in 1992. It reuses some of the piers from the prior bridge, although the Marietta approaches were relocated to a new connection with Ohio State Route 7. This bridge is a continuous truss, the 28th-longest in North America

North America

North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...

.

External links

• Williamstown Bridge at Bridges & Tunnels