LEWIS%20

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Washington State Department of Transportation
Bridge and Structures Office
LEWIS CLARK BRIDGE NO. 433/1
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LEWIS CLARK BRIDGE NO. 433/1 BRIDGE REHAB
DESIGN WSDOT CONTRACTOR/PRECASTER MAX. J
KUNEY LIFTING OPERATIONS MAMMOET INC. ADT ON
BRIDGE
20,000 TRAFFIC CONSTRAINTS
120 - 8 hr night closures

(930 pm 530 am)
200 -
single lane closures
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Total Length of Bridge - 5476 ft Thru Truss -
2720 ft - 65 precast
panels WA approach Deck Truss - 168 ft -
7 precast panels Oregon approach Deck Truss - 955
ft - 31 precast panels
TOTAL 103 Panel were
36ft wide and varied in length from 25ft to
45ft 46 - Partial width panels were 3ft wide and
varying in lengths from 58ft to 70ft in the WA
approach.
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MAIN SPAN TRUSS EXISTING ROADWAY DECK
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MAIN SPAN TRUSS NEW ROADWAY DECK
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Floorbeam flanges had a 25 loss in section
MAIN SPAN ROADWAY DECK REPLACEMENT
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DECK PANEL PLAN VIEW
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TYPICAL DECK PANEL SECTION
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WASHINGTON APPROACH
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MAIN SPAN
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OREGON APPROACH
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DECK PANEL CONSTRUCTION
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TRANSPORT VEHICLE
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video
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WASHINGTON APPROACH
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WASHINGTON APPROACH EXISTING ROADWAY DECK
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WASHINGTON APPROACH WIDENING
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WASHINGTON APPROACH X-BEAM EXTENSION
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WASHINGTON APPROACH WIDENING FINAL STAGE