Department: 
Bridge Rehabilitation and Replacement

SAI was responsible for the site investigation and inspection, preliminary and final design, landscape design, and construction management of this railroad bridge rehabilitation and resdesign to accomodate pedestrian traffic.

Physical Features: 
  • 280' three-span steel girder and through-truss bridge over Allegheny River.
  • 570' three-level steel beam and column pedestrian ramp.
Other Features: 
  • Aesthetic design of pedestrian ramp railing to coordinate with existing bridge.
  • Erosion and sediment pollution control plan.
  • Scour analysis.
  • Landscape design.
  • Pedestrian lighting.
  • Multi-level pedestrian ramp utilized to conserve site acreage.
  • Redecking and conversion of existing railroad bridge for pedestrian use.

Location