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2013 – I-5 / Skagit River Bridge Span 8 Replacement
State: WA
Year: 2013
Owner: State
Location: Rural
Beam material: Concrete
Spans: > Three-span
Max Span Length (ft.): 163
Total Bridge Length (ft.): 1111.75
Impact Category: Tier 1 (within 1 day)
Construction Equipment Category: Lateral Slide
Project Planning: (1) Emergency Contract - used to remove collapsed span and construct temporary Acrow span. (2) Design-Build Contract - used to construct permanent span and slide temporary and permanent spans.,
A+B+C bidding (A B C bidding)
Geotechnical Solutions: Reused Substructure/Foundation Unit,
Structural Solutions: Adjacent deck bulb T beams,
FDcBc (full-width concrete-decked concrete beam unit) - total superstructure span slid into place on existing foundation,
LWC beams; high-strength CIP reinforced closure joint; micro-silica concrete overlay

2011 – I-5 / US 12 Bridge at Grand Mound
State: WA
Year: 2011
Owner: State
Location: Urban
Beam material: Concrete
Spans: Two-span
Max Span Length (ft.): 88
Total Bridge Length (ft.): 176
Impact Category: Tier 5 (within 3 months)
Construction Equipment Category: Conventional
Project Planning: Design-bid-build,
Geotechnical Solutions:
Structural Solutions: Adjacent deck bulb T beams; Precast cap & column(s),
CIP reinforced concrete closure joints; Grouted key closure joints; Grouted duct connection (in precast substructure); Precast diaphragms

2011 – SR 303 Manette Bridge
State: WA
Year: 2011
Owner: State
Location: Urban
Beam material: Concrete
Spans: > Three-span
Max Span Length (ft.): 250
Total Bridge Length (ft.): 1550
Impact Category: Tier 1 (within 1 day)
Construction Equipment Category: Other ABC Method
Project Planning: Design-Bid Build
Geotechnical Solutions:
Structural Solutions: Precast caisson caps,

2007 – SR 520 / SR 202 Interchange
State: WA
Year: 2007
Owner: State
Location: Urban
Beam material: Concrete
Spans: Three-span
Max Span Length (ft.): 145
Total Bridge Length (ft.): 435
Impact Category: Tier 5 (within 3 months)
Construction Equipment Category: Other ABC Method
Project Planning: Design-Bid-Build,
Contractor option
Geotechnical Solutions:
Structural Solutions: Precast column cap (precast bent cap; precast crossbeam); grouted duct connection,

2005 – Hood Canal Bridge (East Approach Spans)
State: WA
Year: 2005
Owner: State
Location: Rural
Beam material: Concrete
Spans: > Three-span
Max Span Length (ft.): 125
Total Bridge Length (ft.): 605
Impact Category: Tier 2 (within 3 days)
Construction Equipment Category: Lateral Slide
Project Planning: design-bid-build,
Geotechnical Solutions: CIP substructure under traffic,
Structural Solutions: precast backwall,
FDcBc (Full-width concrete-decked concrete beam unit),
CIP reinforced concrete closure joint; precast approach slab

2004 – Lewis and Clark Bridge
State: WA
Year: 2004
Owner: State
Location: Urban
Beam material: Steel
Spans: > Three-span
Max Span Length (ft.): 1200
Total Bridge Length (ft.): 5478
Impact Category: Tier 2 (within 3 days)
Construction Equipment Category: SPMTs
Project Planning: design-bid-build,
A+B+C bidding (A B C bidding), full lane closure, lane rental, incentive / disincentive clause, contractor revision
Geotechnical Solutions:
Structural Solutions: full-depth precast deck panel w/o PT,
CIP reinforced closure joint, grouted key closure joint, micro-silica concrete overlay, precast approach slab, prefabricated railing

2003 – I-405 / Northeast 8th Street Bridge
State: WA
Year: 2003
Owner: State
Location: Urban
Beam material: Steel
Spans: Two-span
Max Span Length (ft.): 164
Total Bridge Length (ft.): 328
Impact Category: Tier 2 (within 3 days)
Construction Equipment Category: Lateral Slide
Project Planning: design-bid-build,
incentive / disincentive clause
Geotechnical Solutions:
Structural Solutions: FDcBs (Full-width concrete-decked steel beam unit),
CIP reinforced closure joint

2001 – I-5 / South 38th Street Bridge
State: WA
Year: 2001
Owner: State
Location: Urban
Beam material: Concrete
Spans: Two-span
Max Span Length (ft.): 164.25
Total Bridge Length (ft.): 325
Impact Category: Tier 6 (longer but reduced by months/years)
Construction Equipment Category: Conventional
Project Planning: • Design-bid-build,
• Full lane closure• Incentive / disincentive clause
Geotechnical Solutions:
Structural Solutions: • Partial-depth precast deck panels,