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Marietta-Williamstown Bridge

Marietta-Williamstown Bridge

The Marietta-Williamstown Bridge carries Interstate 77 over the Ohio River between Marietta, Ohio and Williamstown, West Virginia.

The polygonal Warren through truss span was completed in 1965.


  • State: Ohio, West Virginia
  • Route: Interstate 77
  • Type: Warren through truss
  • Status: Active - Automobile
  • Total Length: 2,615 feet
  • Main Span Length: 651 feet
  • Spans:
  • Deck Width: 58 feet


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