Rating:
2 votes

Twenty-First Street Bridge

Photos 

View To Southwest Of Through Parker Trusses

Photo taken July 1984 by David K. Atkinson for the Historic American Engineering Record

View photos at Library of Congress

BH Photo #122825

Map 

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
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)
Quadrangle map:
Cahokia
Inventory number
BH 22662 (Bridgehunter.com ID)

Update Log 

  • September 1, 2008: New photos from James Baughn

Sources 

  • HAER MO-11 - Twenty-first Street Bridge
  • James Baughn - webmaster [at] bridgehunter [dot] com

Comments 

Twenty-First Street Bridge
Posted April 6, 2010, by Mark Dellbringge

This bridge was closed in 1976 after a 5.0 magnitude earthquake caused a portion of the bridge to slip off its supports.

Twenty-First Street Bridge
Posted April 14, 2009, by jack (jackkav [at] sbcglobal [dot] net)

what rr was under this?