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Bridge 2153 Final Report Premier Engineering Rose-Hulman Institute of Technology
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Premier Engineering Team Jake Vieck – Project Editor John Groff – Project Engineer Lauren Oakley – Client Liaison Cassidy Sutton – Project Manager Fred Lintz – Project Engineer
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Overview Project Description Design Requirements Project Approach Design Solution
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Naval Support Activity (NSA) Crane Located in Martin County, Indiana on 100 square miles Employs nearly 4000 people (2nd largest employer in Southwestern Indiana) Constructed in the early 1940s Project Description (1)
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Project Description (2)
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Carries H-161 over Boggs Creek Constructed in 1942 Partially reconstructed in 1986 Total length ~ 76 ft Total width ~ 24 ft Travel width ~ 22 ft Project Description (3)
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Two-year inspections indicate need for replacement of Bridge 2153 Holes in timber from insect damage Corrosion on underside of deck Poor wing wall pile condition Severe checking Project Description (4)
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Have minimum 60-yr life Pass the 100-yr flood Have only one span if economically feasible Have low maintenance cost Meet or exceed INDOT and AASHTO standards Minimize cost Design Constraints
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Determine and assess design options Recommend most desirable option Design of replacement structure and approaches Provide detailed construction plans and cost estimate Provide necessary permitting information Client Requirements & Project Approach
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Existing Conditions
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Site assessment Maps Soil survey Wetlands Floodplain ``
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Bridge Material Options Materials Prestressed concrete Concrete box culvert Steel Timber Basis of Consideration Initial cost Lifespan Maintenance cost Constructability Aesthetics
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Prestressed Concrete SteelTimber Concrete Box Culvert Initial Cost (35%) 2231 Lifespan (30%) 2222 Maintenance Cost (20%) 3211 Constructability (10%) 2221 Aesthetics (5%) 3223 Total1210 8 Weighted Total2.32.02.21.4 Decision Matrix
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Geotechnical Investigation N BRIDGE
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Geotechnical Investigation Elevation (feet)
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Hydrologic Study Drainage Area: DA = 2.58 sq mi Slope: SL = 69.1 ft/mi 100-yr flow rate: Q = 1910 cfs
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Hydraulic Study 100-yr flood elevation: 478 ft Proposed bridge lowers 100-yr elevation by 0.11 ft
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Structural Design Standard 33” INDOT parapets 8” cast-in-place concrete deck 5 Type I bulb-tee prestressed concrete girders
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Foundation Design
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Highway Design & Sight Distance 1.5” (165 lb/sy) Surface HMA 2.5” (275 lb/sy) Intermediate HMA 8” (880 lb/sy) Base 24” Compacted Aggregate Base
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Highway Design & Sight Distance DRIVING LANE11’ DRIVING LANE 11’ 10’ 2’ CONCRETE SHOULDER No. 53 STONEGUARDRAIL PARAPET1’ HMA PAVED SHOULDER 10’ EXPANSION JOINT
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Traffic Maintenance Plan
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Cost Estimate Bridge SectionCost Existing Bridge Demolition$31,000 Highway Construction$85,000 Proposed Bridge$130,000 Miscellaneous$16,000 TOTAL COST$262,000
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Summary Project Description Design Requirements Project Approach Design Solution
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Assessment Distribution Point Value Initial CostLifespanMaintenance Cost ConstructabilityAesthetics 1>$120,000<60 years>$2000/yr>8 monthsAesthetically unpleasing 2$80,000 - $120,000 60-75 years $1000 - $2000/yr 5 – 8 monthsPlain, economical, common materials 3<$80,000>75 years<$1000/yr<5 monthsAttractive designs and colors available
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Prestressed Concrete SteelTimber Concrete Box Culvert Initial Cost (35%) 2231 Lifespan (30%) 2222 Maintenance Cost (20%) 3211 Constructability (10%) 2221 Aesthetics (5%) 3223 Total1210 8 Weighted Total2.32.02.21.4 Decision Matrix
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Erosion & Sediment Control Plan
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Foundation Plan
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Sight Distance
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