Alton Railroad Bridge
Photos
 |
Overall View Of Bridge, Looking North Photos taken Aug. 1985 by Clayton B. Fraser Photo taken by Historic American Engineering Record |
 |
Overall View Of Bridge, Looking South Photo taken by Historic American Engineering Record |
 |
Overall View Of Bridge, Looking South Photo taken by Historic American Engineering Record |
 |
View Of North Web And East Portal Of Fixed Spans, Looking South Photo taken by Historic American Engineering Record |
 |
View Of South Web And West Portal Of Fixed Spans, Looking North Photo taken by Historic American Engineering Record |
 |
View Of South Web And West Portal Of Fixed Spans, Looking North Photo taken by Historic American Engineering Record |
 |
View Of Pier, Bearing Shoe, And Lower Chord Of Fixed Pratt Spans, Looking Northwest Photo taken by Historic American Engineering Record |
 |
View Of Pier, Bearing Shoe, And Pivot Span Coupling Of Fixed Parker Span (Pivot Span Open), Looking Southwest Photo taken by Historic American Engineering Record |
 |
Detail View Of North Web Of Pivot And Fixed Spans, Looking South Photo taken by Historic American Engineering Record |
 |
Detail View Of South Web Of Fixed Pratt Spans, Looking North Photo taken by Historic American Engineering Record |
 |
Detail View Of North Web Of Fixed Spans (Pivot Span Open), Looking Southeast Photo taken by Historic American Engineering Record |
 |
Detail View Of Fixed Parker Span, Looking Southeast Photo taken by Historic American Engineering Record |
 |
Detail View Of Fixed Pratt Span, Looking North Photo taken by Historic American Engineering Record |
 |
Detail View Of Pivot Span, Looking South Photo taken by Historic American Engineering Record |
 |
View Of East (Pivot Span) Portal, Looking Southwest Photo taken by Historic American Engineering Record |
 |
View Of West (Fixed Span) Portal, Looking Northeast Photo taken by Historic American Engineering Record |
 |
Detail View Of Pivot Span, Looking Southwest Photo taken by Historic American Engineering Record |
 |
Detail View Of Pivot Span, Looking Northeast Photo taken by Historic American Engineering Record |
 |
Detail View Of Fixed Span, Showing West Portal, Looking Southwest Photo taken by Historic American Engineering Record |
 |
Detail View Of West Pivot Span Anchor Pier (Pivot Span Closed), Looking South Photo taken by Historic American Engineering Record |
 |
Detail View Of West Pivot Span Anchor Pier (Pivot Span Open), Looking South Photo taken by Historic American Engineering Record |
 |
Detail View Of Pivot Span, Showing Center Tower And Bridge Tenders' Houses, Looking North Photo taken by Historic American Engineering Record |
 |
Detail View Of Pivot Span, Showing Center Tower And Bridge Tenders' Houses, Looking Southwest Photo taken by Historic American Engineering Record |
 |
View Of West Abutment, Showing Fixed Pratt Span Bearing Shoe And End Post Connection, Looking Northwest Photo taken by Historic American Engineering Record |
 |
View Of East Pivot Span Anchor Pier, With Plate Girder Approach Span And End Of Pivot Span, Looking Southwest Photo taken by Historic American Engineering Record |
 |
View Of Pivot Span End Post Connection, Showing Bearing Shoes, Rollers And Roller Arms, Looking Southeast Photo taken by Historic American Engineering Record |
 |
Detail View Of Pivot Span, Fixed Span Track Coupling, Looking Northeast Photo taken by Historic American Engineering Record |
 |
Detail View Of Pivot Span End, Showing Roller Arms, Drive And Worm Gears, Looking West Photo taken by Historic American Engineering Record |
 |
Detail View Of Pivot Span End, Showing Roller Arms, Drive And Worm Gears, Looking Northwest Photo taken by Historic American Engineering Record |
 |
Detail View Of Pivot Span Roller And Roller Arm, Looking West Photo taken by Historic American Engineering Record |
 |
View Of Pivot Span Turntable, Showing Drum, Wheels And Bull Gear, Looking Northwest Photo taken by Historic American Engineering Record |
 |
Detail View Of Pivot Span Turntable, Showing Mortise Gear, Gear Shaft, Drive Gear And Bull Gear, Looking Southeast Photo taken by Historic American Engineering Record |
 |
Detail View Of Pivot Span Turntable, Showing Bevel And Mortise Gears, Gear Shaft, Drive Gear And Bull Gear, Looking Northeast Photo taken by Historic American Engineering Record |
 |
Interior View Of Bridge Tender's House, Looking Southwest Photo taken by Historic American Engineering Record |
 |
Detail View Of Pivot Span Lower Chord Connection, Looking Northwest Photo taken by Historic American Engineering Record |
 |
Detail View Of Pivot Span Lower Chord Connection, Looking South Photo taken by Historic American Engineering Record |
 |
Derail View Of Fixed Span Lower Chord Connection, Looking South Photo taken by Historic American Engineering Record |
 |
Detail View Of Fixed Span Lower Chord Connection, Looking South Photo taken by Historic American Engineering Record |
 |
Derail View Of Pivot Span Upper Chord Connection At Portal, Looking Southeast Photo taken by Historic American Engineering Record |
 |
Detail View Of Pivot Span Upper Chord Connection At Portal, Looking Southeast Photo taken by Historic American Engineering Record |
 |
Detail View Of Pivot Span Upper Chord Connection At Portal, Looking Southeast Photo taken by Historic American Engineering Record |
 |
Detail View Of Fixed Parker Span Upper Chord Connection, Looking West Photo taken by Historic American Engineering Record |
 |
Detail View Of Fixed Pratt Span Upper Chord Connection, Looking West Photo taken by Historic American Engineering Record |
Facts
- Overview
- Lost through truss swing bridge over the Mississippi River on the Burlington Northern Railroad at Alton
- Status
- Removed after the railroad line was abandoned
- History
- Built 1892-94 under the direction of George S. Morison
- Builder
- - George S. Morison
- Design
- From west to east:
Six Pratt through trusses, each 210 ft.
One Pennsylvania through truss, 360 ft.
One pivot swing through truss span, 460 ft. - Dimensions
-
Length of largest span: 460.0 ft.
Total length: 2,060.0 ft.
- Also called
- Alton Bridge (original name)
- Approximate latitude, longitude
- +38.88450, -90.18534 (decimal degrees)
38°53'04" N, 90°11'07" W (degrees°minutes'seconds") - Approximate UTM coordinates
- 15/744142/4307725 (zone/easting/northing)
- Inventory number
- BH 15488 (Bridgehunter.com ID)
Update Log
- September 14, 2008: New photos from James Baughn
- July 8, 2008: Updated by Kim Harvey: bridge was removed when the railroad line was abandoned in early 1990s
- February 5, 2007: Posted new photos
Sources
- HAER IL-21 - Alton Railroad Bridge
- HAER NE-2 - Nebraska City Bridge
- Kim Harvey - ayrlieofremora [at] yahoo [dot] com
- James Baughn - webmaster [at] bridgehunter [dot] com