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Found 7 Results

2011 – US 6 Bridge over Keg Creek

State: IA
Year: 2011
Owner: State
Location: Rural
Beam material: Steel

Spans: Three-span
Max Span Length (ft.): 70
Total Bridge Length (ft.): 204.5
Impact Category: Tier 3 (within 2 weeks)
Construction Equipment Category: Conventional

Project Planning: TPF-5(221), Design-bid-build, Full lane closure; Incentive / disincentive clauses
Geotechnical Solutions: Fully-contained flooded backfill
Structural Solutions: MDcBs (Modular decked beams); Precast cap & column(s); Precast backwalls; Precast wingwalls, CIP reinforced concrete closure joints; Bars in splice couplers; Socket connection (in precast substructure)-(abutments); UHPC closure joints; Precast approach slab; Prefabricated railing

2011 – Little Cedar Creek Bridge

State: IA
Year: 2011
Owner: County
Location: Rural
Beam material: Concrete

Spans: One-span
Max Span Length (ft.): 60
Total Bridge Length (ft.): 60
Impact Category: Tier 5 (within 3 months)
Construction Equipment Category: Conventional

Project Planning: design-bid-build, full lane closure
Geotechnical Solutions: fully-contained flooded backfill
Structural Solutions: UHPC waffle deck, CIP reinforced closure joints, grouted blockout w/shear connectors, UHPC closure joints

2009 – 640th Street Bridge over Branch Raccoon River

State: IA
Year: 2009
Owner: County
Location: Rural
Beam material: Concrete

Spans: One-span
Max Span Length (ft.): 50.83
Total Bridge Length (ft.): 50.83
Impact Category: Tier 3 (within 2 weeks)
Construction Equipment Category: Conventional

Project Planning: design-bid-build, full lane closure, incentive / disincentive clauses
Geotechnical Solutions:
Structural Solutions: adjacent box beams, precast abutment caps, precast backwalls, precast wingwalls, grouted key closure joints, socket connection (in precast substructure), epoxy joints

2008 – 24th Street Bridge over I-29/I-80

State: IA
Year: 2008
Owner: State
Location: Urban
Beam material: Steel

Spans: Two-span
Max Span Length (ft.): 178.5
Total Bridge Length (ft.): 353.5
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
Geotechnical Solutions: Fully-contained flooded backfill
Structural Solutions: Full-depth precast deck panel w/PT, CIP reinforced concrete closure joints; Grouted key closure joints; Grouted blockout w/shear connectors; PT ducts/bonded; Standard concrete overlay

2008 – Jakway Park Bridge

State: IA
Year: 2008
Owner: Buchanan County
Location: Rural
Beam material: Concrete

Spans: Three-span
Max Span Length (ft.): 51.17
Total Bridge Length (ft.): 115.33
Impact Category: Tier 5 (within 3 months)
Construction Equipment Category: Conventional

Project Planning: Design-bid-build, Full lane closure
Geotechnical Solutions:
Structural Solutions: Other deck beam element: pi-girders, CIP reinforced concrete closure joints; Grouted key closure joints; Asphalt chip seal w/o membrane; Steel diaphragms

2007 – IA – Madison County Bridge

State: IA
Year: 2007
Owner: Madison County
Location: Rural
Beam material: Concrete

Spans: One-span
Max Span Length (ft.): 46.67
Total Bridge Length (ft.): 46.67
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 box beams; Precast abutment cap, CIP reinforced concrete closure joints; Grouted key closure joint; PT ducts/bonded; Socket connection (in precast substructure)-(caps)

2006 – Mackey Bridge (Marsh Rainbow Arch Bridge)

State: IA
Year: 2006
Owner: Boone County
Location: Rural
Beam material: Concrete

Spans: Three-span
Max Span Length (ft.): 56.5
Total Bridge Length (ft.): 155.33
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: Full-depth precast deck panel w/PT; Precast pile caps; Precast abutment footings, CIP reinforced concrete closure joints; Bars in splice couplers; PT ducts/bonded; Socket connection (in precast substructure); Other closure joint/connection: grouted channel w/ shear connectors