Selection of Site for Bridge

Selection of Site for Bridge

Location Features Location should :

  • Facilitate practical cost effective design, construction, operation, inspection and maintenance.
  • Provide for the desired level of traffic service and safety
  • Minimize adverse highway impacts
  • Fit the conditions created by the obstacle being crossed

WATERWAY AND FLOODPLAIN CROSSINGS

  • Hydrologic and Hydraulic characteristics of the waterway and its  floodplain
  • favorable crossing locations
  • Effect of the proposed bridge on flood flow patterns and the resulting scour-potential at bridge foundations
  • The potential for creating new or augmenting existing flood hazards
  • Environmental impacts on the waterway and its floodplain.

Conditions – Site should be free from

  • Inclined Trees
  • Seepage or Swampy Area
  • Gully Erosion
  • River Undercutting

 

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