Soon after the Revolutionary War, bridge construction became more important in the United States. Early builders developed by trail and error an economical, permanent, long-span covered timber bridge. Four types were developed from much experimentation and were patented and licensed by their originators: Burr, Town, Long and Howe. Covers construction methods and tools. Types of trusses. Bridges used for canals (aqueducts to carry water), railroads and highways.

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Filing Info

  • Accession Number: 00314849
  • Record Type: Publication
  • Source Agency: Engineering Index
  • Files: TRIS
  • Created Date: Jul 22 1980 12:00AM