CONTENTS
PAGE
Personnel of Columbia River Interstate Bridge Commission
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7 |
General Calendar of Events
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8 |
Inscriptions
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11 |
Introduction
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13 |
General Statement
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15 |
Description of Bridge
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21 |
Loads for Which the Bridge is Designed
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32 |
Special Features of Design
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34 |
Construction Methods and Experiences
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37 |
Franchise to Street Car Company
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45 |
Right-of—Way
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47 |
Quantities
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48 |
Cost of Construction
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51 |
Maintenance
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55 |
Tolls
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59 |
Income and Traffic
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60 |
Lift Span Movements
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61 |
ILLUSTRATIONS
PAGE Columbia River Interstate Bridge _ _ _ _ _ _ . _ _ . _ . _ _ . _ _ _ . _ . . _ _ _ - Frontispiece Vancouver End of Columbia River Bridge . . _ _ _ . _ _ _ _ _ _ _ _ _ _ . _ _ _ _ _ . _ _ _ --12 Oregon Slough Bridge as seen from Hayden Island __________________ __‘12 Columbia River Bridge as seen from Vancouver _ _ _ _ _ _ _ . _ _ . . . . _ _ . _ . _ -_19 Drawing, Floor Construction of Truss Spans _______________________ _-23 Lift Span Operating Machinery Assembled in.Shop _________________ __24 Columbia River Bridge as seen from Vancouver ____________________ --26 Drawing, Details of Typical Pier _________________________________ --28 Construction of Union Avenue Approach Embankment _ . . _ . _ _ _ , _ . . _ __30 Pile Driver Equipment used in Building Piers _ _ . _ _ _ _ _ _ . _ _ . _ _ _ _ _ _ _ _ __34 Manufacturing the Steel. Trusses Assembled at Bridge Shop __________ _-36 Building the Piers, Removing Cofferdam ___________________________ __37 Erecting Through Truss Spans on Shore _ _ . . _ _ _ _ . , _ _ _ _ _ _ _ _ _ _ _ _ . _ _ _ _ __39 Truss Spans on Launching Ways Ready for Moving _________________ ..40 Moving Completed Span Across River on Barges . _ . _ _ . _ . _ . _ _ _ . _ _ . _ . _ _-41 Embankment Construction, Bulkheads and Methods of Deposit _ _ _ _ _ . . _-43 Completed Embankment along Union Avenue Approach _ _ _ _ _ _ _ _ . _ _ _ _ __44 Opening Day Columbia River Interstate Bridge _ _ . _ _ _ . _ _ , _ _ _ _ _ _ _ _ _ _ _ -_(il
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