Definition

Noun: A truss bridge is a bridge whose load-bearing superstructure is composed of a connected framework of structural elements, typically arranged in triangular units. This design efficiently transfers loads and provides strength and stability, allowing for relatively long spans.

Usage

The term "truss bridge" is used to describe a specific engineering structure. It functions as a countable noun. - The old truss bridge over the river was replaced with a modern concrete one. - Many historic railways used iron truss bridges.

Examples

• The engineer specialized in designing steel truss bridges.
• We walked across the wooden truss bridge to reach the other side of the canyon.
• Preservationists are fighting to save the historic truss bridge from demolition.

Advanced Usage

• As a technical term in engineering and history: The term is precise and denotes a specific structural type, often discussed in contexts of civil engineering, architecture, and transportation history.
  • The Pratt truss bridge was a common design for 19th-century railroads.

Variants and Related Words

• Truss (noun): The rigid framework, often of triangles, that forms the supporting structure of the bridge.
  • The steel truss was assembled on site.
• Through-truss bridge: A truss bridge where the travel deck passes through the truss structure.
• Deck-truss bridge: A truss bridge where the travel deck is mounted on top of the truss structure.

Synonyms

• Girder bridge (Note: While similar, a girder bridge typically uses large horizontal beams (girders) and may not feature the distinct triangular truss framework.)
• Framework bridge (This is a descriptive synonym but not a standard technical term.)

Related Phrases

• Bridge truss: Refers specifically to the truss framework component of the bridge.
  • They inspected the integrity of the bridge truss.

Noun

1. a bridge supported by trusses