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Grand Street Bascule Bridge

Photos 

View North, General View Of Bridge Within Setting

Photo taken for the Historic American Engineering Record

View photos at Library of Congress

BH Photo #310916

Description 

Grand Street Bridge is significant as an example of a bascule bridge, a technology that saw substantial innovation and development in the early 1900s. This specific form, the Strauss Underneath Counterweight type, was one of the period's major bascule designs. The bridge was built in response to the tremendous industrial expansion that occurred in Bridgeport during World War I. It improved both street-level and river access to the Bridgeport Brass Company, the former plant of which occupies the west bank of the river.

-- Historic American Engineering Record

Facts 

Overview
Bascule bridge over Pequonnock River on Grand Street
Location
Fairfield County, Connecticut
Status
Removed but not replaced
History
Built 1916
Builders
- Penn Bridge Co. of Beaver Falls, Pennsylvania (Fabricator)
- Strauss Bascule Bridge Co. of Chicago, Illinois (Engineer)
Design
Bascule
Dimensions
Length of largest span: 96.1 ft.
Total length: 372.1 ft.
Deck width: 35.1 ft.
Approximate latitude, longitude
+41.18979, -73.18924   (decimal degrees)
41°11'23" N, 73°11'21" W   (degrees°minutes'seconds")
Approximate UTM coordinates
18/651853/4561406 (zone/easting/northing)
Quadrangle map:
Bridgeport
Inventory numbers
CT 4250 (Connecticut bridge number)
BH 36102 (Bridgehunter.com ID)

Update Log 

  • December 29, 2014: HAER photos posted by Dave King

Sources 

  • Douglas Butler
  • HAER CT-148 - Grand Street Bridge, Spanning Pequonnock River at Grand Street, Bridgeport, Fairfield County, CT

Comments 

Pequonnock River Bridge
Posted September 17, 2009, by John Reidy (jmreidy [at] hotmail [dot] com)

This bridge may be gone. I haven't been on site to verify it, but it doesn't show up on Google Earth.