Photos
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View To Southwest Of Through Parker Trusses Photos taken July 1984 by David K. Atkinson Photo taken by Historic American Engineering Record |
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View To Southeast Of Through Parker Trusses Photo taken by Historic American Engineering Record |
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View To East Of Through Parker Trusses Photo taken by Historic American Engineering Record |
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View To South Of North Portal Of 150-Foot Through Parker Truss Photo taken by Historic American Engineering Record |
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View To North Of South Portal And 138-Foot Parker Truss Approach Span With Pony Trusses In Foreground Photo taken by Historic American Engineering Record |
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View To North Of South Portal And 138-Foot Parker Truss Approach Span With Pony Trusses In Foreground Photo taken by Historic American Engineering Record |
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View To North Of 203-Foot, Parker Truss Main Span Photo taken by Historic American Engineering Record |
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View To North Of 203-Foot, Parker Truss Main Span Photo taken by Historic American Engineering Record |
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View To North Of 150-Foot, Parker Truss Approach Span Photo taken by Historic American Engineering Record |
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Detail Of Pony Truss Approach Span At North Portal Showing Diagonal And Post Connection To Top Chord Photo taken by Historic American Engineering Record |
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Section Of 150-Foot, Through Parker Truss Showing Laced Verticals, Diagonals, And Sway Framing Photo taken by Historic American Engineering Record |
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Detail Of A Typical Through Parker Truss Portal Showing Pin Connection Of Laced Vertical, Multiple-Bar Diagonals, And Top Chord Photo taken by Historic American Engineering Record |
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Detail Of A Typical Through Parker Truss Portal Showing Pin Connection Of Laced Vertical, Multiple-Bar Diagonals, And Top Chord Photo taken by Historic American Engineering Record |
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Detail Of One Of Through Parker Trusses Showing Laced Vertials And Sway Frame And Wheel-Type, Tension Adjustment Devices On Diagonal Members Photo taken by Historic American Engineering Record |
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Diagonal Of Through Parker Truss Showing Wheel-Type, Tension Adjustment Device Photo taken by Historic American Engineering Record |
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Detail Of One Of Through Parker Trusses Showing Laced Verticals, Diagonals And Part Of Top Chord Photo taken by Historic American Engineering Record |
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Detail Of Portal Showing '1892' Nameplate And Pineapple Finial Photo taken by Historic American Engineering Record |
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View To North Of Underside Of Superstructure And Masonry Work Of North Approach Abutment Photo taken by Historic American Engineering Record |
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View To South Of Underside Of North Approach Superstructure Showing Floor System Of Pony Truss Spans Photo taken by Historic American Engineering Record |
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View To South Of Underside Of Superstructure Showing Floor System Of 150-Foot Through Parker Truss Span Photo taken by Historic American Engineering Record |
Facts
- Overview
- Lost three-span through truss bridge over the railroad tracks on 21st Street south of Highway 40
- Location
- St. Louis, Missouri
- Status
- Demolished but never replaced
- History
- Built 1892 by the City of St. Louis. Closed to traffic in 1976 and demolished after 1984
- Design
- From north to south:
Six pony truss spans, each 53 feet
One 150-foot, 7-panel Parker through truss
One 203-foot, 10-panel Parker through truss
One 138-foot, 7-panel Parker through truss
Eight pony truss spans, ranging from 53 to 65 feet - Dimensions
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Length of largest span: 203.0 ft.
Total length: 1,272.0 ft.
- Approximate latitude, longitude
- +38.62478, -90.21231 (decimal degrees)
38°37'29" N, 90°12'44" W (degrees°minutes'seconds") - Approximate UTM coordinates
- 15/742681/4278825 (zone/easting/northing)
- USGS topographic map
- Cahokia
- Inventory number
- BH 22662 (Bridgehunter.com ID)
Sources
- HAER MO-11 - Twenty-first Street Bridge
- James Baughn - webmaster [at] bridgehunter [dot] com