Bridge Engineering – Classification of Bridges

Bridge Engineering – Components of Bridge Structures

A bridge is a structure providing passage over an obstacle without closing the way beneath. The required passage may be for a road, a railway, pedestrians, a canal or a pipeline. The obstacle to be crossed may be a river, a road, railway or a valley.

components of bridge
components of bridge

 Classification of Bridges

Classification of Bridges (According to form (or) type of superstructures)
  1. Slab bridge
  2. Beam bridge
  3. Truss bridge
  4. Arch bridge
  5. Cable stayed (or )suspended bridge
 Classification of bridges (According to material of construction of superstructure)
  1. Timber bridge
  2. Concrete bridge
  3. Stone  bridge
  4. R.C.C bridge
  5. Steel bridge
  6. P.C.C bridge
  7. Composite bridge
  8. Aluminum bridge
Scherzer Rolling Lift Bridge
Scherzer Rolling Lift Bridge
 Classification of bridges (According to inter-span relationship)
  1. Simply supported bridge
  2. Cantilever  bridge
  3. Continuous  bridge
 Classification of bridges (According to the position of the bridge floor relative to superstructures)
  1. Deck through bridge
  2. Half through or suspension  bridge
 Classification according to method of connection of different part of superstructures
  1. Pinned connection  bridge
  2. Riveted connection  bridge
  3. Welded connection  bridge
New River Gorge Bridge made of weather resistant steel
New River Gorge Bridge made of weather resistant steel
According to length of bridge
  1. Culvert  bridge(less than 6 m)
  2. Minor bridge(less than 6 m-60m)
  3. Major bridge(more than 60 m)
  4. Long span bridge(more than 120 m)
According to function
  1. Aqueduct bridge(canal over a river)
  2. Viaduct(road or railway over a valley or river)
  3. Pedestrian bridge
  4. Highway bridge
  5. Railway bridge
  6. Road-cum-rail or pipe line bridge

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