ABC-UTCSEPTEMBER 2019 MONTHLY WEBINAR

PRECAST SEGMENTAL BRIDGESFOR THE I-49 / I-220 INTERCHANGE

PRESENTERS:PAUL VAUGHT, P.E.

ASST. BRIDGE DESIGN ADMINISTRATORLOUISIANA DOTD

CRAIG FINLEY, P.E.MANAGING PRINCIPAL

FINLEY ENGINEERING GROUP, INC.

IVAN LIU, P.E.BRIDGE ENGINEER

FINLEY ENGINEERING GROUP, INC.

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PROJECT PARTICIPANTS - DESIGNBRIDGE AND

STRUCTURAL DESIGNROADWAY AND

GEOMETRIC DESIGN

GEOTECHNICALEXPLORATION AND DESIGN

LIGHTING DESIGN

ARCHITECTURALDESIGN SURVEYING

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PROJECT PARTICIPANTS - CONSTRUCTIONCONSTRUCTION INSPECTION PRIME CONTRACTOR SUBCONTRACTORS

CONSTRUCTIONENGINEERING

(CONTRACTOR)

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Shreveport, LA

PROJECT LOCATION

Baton Rouge

New Orleans

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INTERSTATE 495

PARK (4F)

ENVIRONMENTALJUSTICE NEIGHBORHOOD

LANDFILL

NORTH

SEGMENT K

I-49

I-220

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NORTH

SEGMENT K

PHASE 2 PHASE 1

I-49

I-220

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NORTH

SEGMENT KPHASE 2

RAMP SE(SOUTH TO EAST)

RAMP WN(WEST TO NORTH)

RAMP EN(EAST TO NORTH)

RUSSELL RD(I-220 WIDENING)

LENGTH: 3070’WIDTH: VARIES (64’ TO 40’)RADIUS: 3500’TWO LANES

LENGTH: 3300’WIDTH: 33’RADIUS: 840’ONE LANE

LENGTH: 700’WIDTH: 29’RADIUS: 550’ONE LANE

I-49

I-220

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• 66” DIAMETERDRILLED SHAFTSUPPORTED FOOTINGS

FOUNDATION

• 9 OR 12 SHAFTSPER FOOTING

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• SINGLE COLUMN

• STRADDLE

• CANTILEVER

SUBSTRUCTURE

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TRAFFIC CONTROL• REQUIRED TO MAINTAIN ONE LANE IN EACH DIRECTION

• CROSSOVER EB TO WB LANES AND VICE VERSA

• FIELD CHANGE TO SUGGESTED SEQUENCE OF CONSTRUCTION

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DESIGN ALTERNATIVES(DESIGN-BID-BUILD PROJECT)

PRECAST SEGMENTAL CONCRETE BOXESSTEEL TRAPEZOIDAL BOXES

• BIDDER #1 $138 MILLION• BIDDER #2 $144 MILLION• BIDDER #4 $159 MILLION

• BIDDER #3 $154 MILLION

• PROS: INCREASE COMPETITION / REDUCE CONSTRUCTION COST

• CONS: ADDITIONAL DESIGN TIME AND COST12

2019 PROJECT AWARD (SASHTO)“BEST USE OF TECHNOLOGY AND INNOVATION”

DR. SHAWN WILSON, DOTD SECRETARY (CENTER) WITHCARLOS BRACERAS, PRESIDENT OF AASHTO (LEFT) ANDJIM TYMON, CEO OF AASHTO (RIGHT)

2019 ASBIBridge Awardof Excellence

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