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Burlington Northern Railroad Bridge, Spanning Willamette River at River Mile 6.9, Portland, Multnomah County, OR



B&W Photos

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Data Pages


Photo Caption Pages


Item Title
Burlington Northern Railroad Bridge, Spanning Willamette River at River Mile 6.9, Portland, Multnomah County, OR

Location
Spanning Willamette River at River Mile 6.9, Portland, OR

Find maps of Portland, OR


Created/Published
Documentation compiled after 1968.

Notes
Survey number HAER OR-7
Unprocessed field note material exists for this structure (FN-2).
Building/structure dates: 1906 initial construction
Building/structure dates: 1954 subsequent work
Building/structure dates: 1957 subsequent work
Building/structure dates: 1963 subsequent work
Building/structure dates: 1979 demolished
Building/structure dates: 1985 subsequent work
Significance: Willamette River Bridge 5.1 is the south end part of a 4-3/4 mile-long network of railroad bridges, causeways, and cut system linking the mainlines north and south of Portland. The bridge is one of the major works of renowned bridge engineer, Ralph Modjeski.

Subjects
Fires
Civil Engineering
Recreation


Related Names
Hill , James J.
Modjeski , Ralph
Burlington Northern Railroad Company
Villard, Henry
Harriman, Edward H.
Union Pacific Railroad
Staehli, Alfred, Photographer
Small, Fred, Photographer
Ackroyd, Hugh, Photographer
Photo-Art Commerical Studios, Photographer
Staehli, Alfred M., Historian


Collection
Historic American Engineering Record (Library of Congress)

Contents
Photograph caption(s): 
1. OBLIQUE DETAIL VIEW OF NORTH PIER PROTECTION FRAMING. SERVICE WALKWAY ON LEFT, TIMBER PILE CONSTRUCTION, TIMBER FRAMING, HORIZONTAL 4 X 10 SHEATHING, BOLTED AND SPIKED FASTENINGS
2. EAST SIDE MACHINE ROOM IN CENTER DRUM, VIEW NORTH, AIR COMPRESSOR. BRIDGE DECK FRAMING ABOVE, SPARE BRAKE WHEEL ON RIGHT, MOTOR #1 IN LEFT REAR COMPARTMENT.
3. VIEW TO NORTHEAST, NORTH SIDE OF CENTER DRUM MACHINERY ROOM. MOTOR #1 COMPARTMENT IN REAR, AUXILIARY MOTOR DRIVE SHAFT, POWER PANELS ON BACK OF AUXILIARY MOTOR HOUSE. BRIDGE DECK FRAMING ABOVE.
4. VIEW TO SOUTHWEST OF SOUTH SIDE OF CENTER DRUM, ONE BULL SHAFT AND GEARS, BULL RING AND ROLLERS, AND TOP OF PIER III. WILLBRIDGE AND PORTLAND WEST HILLS IN BACKGROUND.
5. Photocopy of photograph (from' 1924 print, Angelus Collection, neg. no. 2865, file no. 1257, Oregon Historical Society, Portland) PORT OF PORTLAND DRYDOCK WITH BRIDGE
6. SOUTH No.2 TURNING GEARS. WEST PIER PROTECTION IN REAR. BULL SHAFT ON LEFT.
7. Photocopy of photograph (from ca. 1924 print, Angelus Collection, neg. no. 2867, file no. 1257, Oregon Historical Society) PORT OF PORTLAND DRYDOCK WITH BRIDGE SHOWING REPLACING OF DRAW REST
8. CENTER PIVOT WITH COLLECTOR RINGS AND BRUSHES
9. SOUTH No.2 TURNING GEARS, INSIDE DETAIL VIEW SHOWING EQUALIZER GEAR CLUSTER
10. TURNING MOTOR #2. AUXILIARY DRIVE ENGAGING PINION AND GEAR ON LEFT, BRAKE ON RIGHT.
11. AUXILIARY MOTOR AT CENTER OF MACHINERY ROOM INSIDE DRUM. OIL CUP TO MAIN CENTER BEARING BELOW.
12. ROLLERS DETAIL FROM INSIDE DRUM
13. Photocopy of photograph (from 1938 print, neg. no. 2866, file no. 1257, Oregon Historical Society) PORT OF PORTLAND DRYDOCKS AND SP&S BRIDGE
14. BULL SHAFT, BULL RING AND PINION, AND DRUM. TOP OF PIER III, GRANITE COPING, AND PLAIN CONCRETE PIER BELOW. DETAILS OF WEST PIER PROTECTION FRAMING AT PIER. WILLBRIDGE IN BACKGROUND.
15. DETAIL OF BULL RING GEAR AND ROLLERS
16. FRONT VIEW OF CONTROL ROOM MAIN PANEL WITH SIGNAL INDICATOR BOARD ABOVE (Fred Small)
17. CONTROL ROOM, NORTH SIDE, WITH BRIDGE SWING CONTROLS ON LEFT, SIGNAL CONTROLS ON RIGHT, WHISTLE PULL TOP. RADIO TELEPHONE IN CENTER BACK (Fred Small)
18. NORTH SIDE OF CONTROL ROOM SHOWING MAIN ELECTRIC PANEL ON LEFT, SIGNAL SWITCH BOX IN CENTER, AND SIGNAL RELAYS ON RIGHT. RESISTOR BANK BEHIND ON RIGHT. BRIDGE TENDER'S DESK BEHIND ON SOUTH SIDE. (Fred Small)
19. PIER II TO NORTH, BRIDGE OPEN. ST. JOHNS-PORTSMOUTH PENINSULA IN BACKGROUND. OLD SITE OF PORT OF PORTLAND DRYDOCK TO LEFT (Fred Small)
20. TOP OF PIER III AND BULL SHAFT DETAILS. PIER IV IN BACKGROUND.
21. Photocopy of photograph (from Hugh Ackroyd photograph, Study for POP Drydock Passage, 1978, Burlington Northern correspondence files) AERIAL VIEW FROM SOUTHWEST
22. DETAIL OF BULL SHAFT PINION GEAR AND BEARING (Fred Small)
23. DETAIL VIEW OF No.2 BRAKE AND END OF No.2 MOTOR
24. ELEVATION OF DRAW SPAN, BRIDGE OPEN. VIEW LOOKING NORTH FROM PIER IV (Fred Small)
25. ELEVATION OF DRAW SPAN TOWER AND CONTROL HOUSE. VIEW TO NORTH WITH BRIDGE OPEN (Fred Small)
26. OBLIQUE VIEW OF DRAW SPAN TRUSS FRAMING. PINNED TIE CONNECTION ON SOUTH END, LOOKING UP (Fred Small)
27. AXIAL VIEW OF THROUGH TRUSS DRAW SPAN FROM SOUTH END SHOWING CONTROL HOUSE IN CENTER (Fred Small)
28. VIEW OF DRAW REST PIER II FROM TOP OF DRAW SPAN, OPEN POSITION.
29. OBLIQUE VIEW DOWN ON DRAW SPAN TRUSS FRAMING DETAILS, SOUTHEAST SIDE
30. DETAIL OF DRAW SPAN TOP CHORD PIN CONNECTION. NORTHWEST SIDE VIEW FROM TOP OF TOWER.
31. TELEPHOTO VIEW TO SOUTH FROM TOP OF DRAW SPAN TOWER. WILLBRIDGE JUNCTION IN BACKGROUND
32. RAIL LOCK ASSEMBLY, TRACKS, AND END LIFT TOGGLE ROUSING, SOUTH END OF DRAW SPAN (Fred Small)
33. SOUTH, PIER IV, DRAW REST SUPPORT, END LOCK STRIKE AND JACK PAD. OPEN END OF SHORE BOX.
34. END LOCK TOGGLE CRANK AND ARM, SOUTHEAST END CORNER (Fred Small)
35. Photocopy of photograph (from Hugh Ackroyd photograph, Study for POP Drydock Passage, 1978, Burlington Northern correspondence files) RIVER VIEW FROM WEST
36. Photocopy of photograph (from Photo-Art Commercial Studios photograph, 1978, in Burlington Northern correspondence files) AERIAL VIEW FROM WEST, MARQUAM BIRDGE AND DOWNTOWN PORTLAND IN BACKGROUND
37. GENERAL VIEW TO NORTHEAST FROM WACKER SILTRONIX SITE
38. OBLIQUE VIEW TO NORTHWEST FROM SOUTH BANK
39. OBLIQUE VIEW OF DRAW SPAN IN OPEN POSITION FROM SOUTH BANK OF WILLAMETTE RIVER
40. GENERAL VIEW OF BRIDGE FROM ST. JOHNS BLUFF, LOOKING SOUTHWEST
41. TELEPHOTO VIEW OF BRIDGE FROM ST. JOHNS BLUFF, LOOKING SOUTHWEST
42. Photocopy of photograph (from Photo-Art Commercial Studios photograph, 1978, in Burlington Northern correspondence files) AERIAL VIEW FROM WEST SHOWING NEW DRYDOCK BEGINNING PASSAGE OF SOUTH DRAW OPENING
43. END LOCK GEARS AND MOTOR LOCATED BELOW DECK BETWEEN RAILS. VIEW IS TO SOUTH END.
44. GENERAL WIDE-ANGLE VIEW OF SOUTH END OF DRAW SPAN IN CLOSED POSITION, RAILS LOCKED, SHORE BOXES CLOSED.
45. Photocopy of postcard (from copy print at Oregon Historical Society, Portland, neg. no. 74133, ca. 1910) SP&S BRIDGE OVER WILLAMETTE RIVER
46. Photocopy of photograph (Modjeski report, The Vancouver-Portland Bridges, 1910, frontispiece) WILLAMETTE BRIDGE LOOKING UPRIVER TO PORTLAND
47. Photocopy of photograph (from polaroid snapshot in Burlington Northern Railroad correspondence files, October, 1957) SHEAR FENCE DAMAGE FROM M/V KORSHOLMA
48. Photocopy of photograph (from polaroid snapshot in Burlington Northern Railroad correspondence files, October, 1957) SHEAR FENCE DAMAGE FROM M/V/ KORSHOLMA COLLISION
49. Photocopy of photograph (from polaroid snapshot in Burlington Northern Railroad correspondence files, 1957) PIER III DAMAGE FROM M/V KORSHOLMA COLLISION
50. Photocopy of photograph (Plate XVIII from Modjeski report, The Vancouver-Portland Bridges, 1910) WILLAMETTE BRIDGE, GENERAL MAP
51. Photocopy of photograph (Plate XIX, Modjeski report) WILLAMETTE BRIDGE, GENERAL ELEVATION AND PLAN
52. Photocopy of photograph (Plate XXI, Modjeski report) WILLAMETTE BRIDGE, DIAGRAM SHOWING RATE OF PROGRESS IN SINKING CAISSONS
53. Photocopy of photograph (Plate XX, Modjeski report) WILLAMETTE BRIDGE, WATER GAGE RECORD
54. Photocopy of photograph (Plate XXV, Modjeski report) WILLAMETTE BRIDGE, PIER II
55. Photocopy of photograph (Plate XXVI, Modjeski report) WILLAMETTE BRIDGE, PIER III
56. Photocopy of photograph (Plate XXVII, Modjeski report) WILLAMETTE BRIDGE, PIER IV
57. Photocopy of photograph (Plate LIV, Modjeski report) DRAW SPAN, GENERAL SECTION AND ELEVATION
58. Photocopy of photograph (Plate LIII, Modjeski report) DRAW SPAN, STRESS SHEET
59. Photocopy of photograph (Plate LV, Modjeski report) DRAW SPAN, DETAILS OF TRUSS
60. Photocopy of photograph (Plate LVI, Modjeski report) DRAW SPAN, TRUSS DETAILS
61. Photocopy of photograph (Plate LVII, Modjeski report) DRAW SPAN, BOTTOM CHORD, STRINGERS, AND LOADING BEAMS AT TOWER
62. Photocopy of photograph (Plate LVIII, Modjeski report) DRAW SPAN, DETAILS OF TOWER AND PORTALS
63. Photocopy of drawing (from print, Burlington Northern Engineering Office, Seattle) DRAW SPAN GENERAL DETAILS, LATERALS AND PACKING DIAGRAM
64. Photocopy of drawing (from print, Burlington Northern Engineering Office, Seattle) STRESS SHEET
65. Photocopy of drawing from print, Burlington Northern Engineering Office) CENTER TOWER AND PORTALS
66. Photocopy of drawing (from print, Burlington Northern Engineering Office) TURNTABLE BEARINGS AND LOADING BEAMS
67. Photocopy of drawing (from print, Burlington Northern Engineering Office) OVERALL SECTION AND ELEVATION
68. Photocopy of drawing (from print, Burlington Northern Engineering Office) STRESS DIAGRAM
69. Photocopy of drawing (from print, Burlington Northern Engineering Office) PACKING DIAGRAM
70. Photocopy of drawing (from print, Burlington Northern Engineering Office) DETAILS OF MANSHAFT, SUPPLY SHAFT, AND DOORS FOR PNEUMATIC CAISSONS
71. Photocopy of drawings (from print, Burlington Northern Engineering Office) DETAILS OF CENTER BEARING
72. Photocopy of drawings (from print, Burlington Northern Engineering Office) DETAILS OF DRUM AND MACHINERY BEAM
73. Photocopy of drawing (from print, Burlington Northern Engineering Office) DIAGRAM OF TURNING MACHINERY
74. Photocopy of drawing (from print, Burlington Northern Engineering Office) GENERAL DIAGRAM OF END LIFT MACHINERY
75. Photocopy of drawing (from print, Burlington Northern Engineering Office) END LIFT AND RAIL LOCK HAND OPERATING DETAILS
76. Photocopy of drawing (from print, Burlington Northern Engineering Office) HAND TURNING DEVICE, DETAILS
77. Photocopy of drawing (from print, Burlington Northern Engineering Office) GENERAL DRAWING OF TURNING MACHINERY
78. Photocopy of drawing (from print, Burlington Northern Engineering Office) DOUBLE AIR LOCK
79. Photocopy of drawing (from print, Burlington Northern Engineering Office) PIPING DIAGRAM
80. Photocopy of drawing (from print, Burlington Northern Engineering Office) GENERAL DRAWING OF CONTROLLERS
81. Photocopy of drawing (from print, Burlington Northern Engineering Office) CONTROLLER DETAILS
82. Photocopy of drawing (from print, Burlington Northern Engineering Office) SWING MOTOR CHANGE GEAR DRIVE
83. Photocopy of drawing (from print, Burlington Northern Engineering Office) GENERAL DRAWING OF RAIL LOCK
84. Photocopy of drawings (from print, Burlington Northern Engineering Office) GENERAL DRAWING OF END LIFT TOGGLE
85. Photocopy of drawings (from print, Burlington Northern Engineering Office) SWING MOTOR AND BRAKE WHEEL SUPPORTS
86. Photocopy of drawing (from print, Burlington Northern Engineering Office) HAND TURNING DEVICE
87. Photocopy of drawing (from print, Burlington Northern Engineering Office) OPERATING HOUSE
88. Reproduction from glass plate negative (original in Modjeski and Masters office, Harrisburg, Pennsylvania, Modjeski Collection, No. 4, not dated) LOOKING DOWNSTREAM
89. Reproduction from glass plate negative (Modjeski and Masters office, Modjeski Collection, No. 6, not dated) DRAW SPAN
90. Reproduction from glass plate negative (Modjeski and Masters office, Modjeski Collection, No. 26, August 24, 1906) INTERIOR OF ENGINE ROOM, PRESSURE BARGE
91. Reproduction from glass plate negative (Modjeski and Masters office, Modjeski Collection, No. 44, October 13, 1906) SANDBAGGING PIER No. 4
92. Reproduction from glass plate negative (Modjeski and Masters office, Modjeski Collection No. 70, December 24, 1906) CAISSON No. 2
93. Reproduction from glass plate negative (Modjeski and Masters office, Modjeski Collection, No. 92, February 9, 1907) CAISSON No. 3 JUST BEFORE LAUNCHING
94. Reproduction from glass plate negative (Modjeski and Masters office, Modjeski Collection, No. 106, May 13, 1907) CAISSON No. 3
95. Reproduction from glass plate negative (Modjeski and Masters office, Modjeski Collection, No. 150, January 18, 1908) SPANS 4 AND 5
96. Reproduction from glass plate negative (Modjeski and Masters office, Modjeski Collection, No. 161, March 2, 1908) DERRICK AT PIER 2
97. Reproduction from glass plate negative (Modjeski and Masters office, Modjeski Collection, No. 180, May 20, 1908) LOADING BEAMS OF WILLAMETTE BRIDGE DRAW SPAN
98. Reproduction from glass plate negative (Modjeski and Masters office, Modjeski Collection, No. 181, May 5, 1908) STEEL ERECTION AT DRAW SPAN
99. Reproduction from glass plate negative (Modjeski and Masters office, Modjeski Collection, No. 183, May 6, 1908) SETTING CENTER CASTING
100. Reproduction from glass plate negative (Modjeski and Masters office, Modjeski Collection, No. 198, July 25, 1908) VIEW OF DRAW SPAN
101. Reproduction from glass plate negative (Modjeski and Masters office, Modjeski Collection, No. 199, July 25, 1908) TURNING THE DRAW FOR THE FIRST TIME


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