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2011 – Buffalo Creek Bridge
State: SD
Year: 2011
Owner: Perkins County
Location: Rural
Beam material: Concrete
Spans: One-span
Max Span Length (ft.): 60
Total Bridge Length (ft.): 60
Impact Category: Tier 6 (longer but reduced by months/years)
Construction Equipment Category: Conventional
Project Planning: Design-bid-build,
Full lane closure
Geotechnical Solutions:
Structural Solutions: Adjacent T beams (double tee); Steel sheet piling; Other abutment element: precast planks,
Grouted key closure joints
2010 – 41st Street Bridge
State: SD
Year: 2010
Owner: City of Sioux Falls
Location: Urban
Beam material: Concrete
Spans: Three-span
Max Span Length (ft.): 125
Total Bridge Length (ft.): 305
Impact Category: Tier 6 (longer but reduced by months/years)
Construction Equipment Category: Conventional
Project Planning: Design-bid-build,
A+B bidding; Incentive / disincentive clauses; Lump sum
Geotechnical Solutions:
Structural Solutions: Adjacent box beams,
Grouted key closure joints; PT ducts/bonded