Sister Bridge III: Rachel Carson Bridge

Photos

Oblique view

Photo taken by James Baughn in July 2009

BH Photo #143666

Overview: Suspension bridge over Allegheny River on Ninth Street in Pittsburgh
Location: Pittsburgh, Allegheny County, Pennsylvania
Status: Open to traffic
History: Built 1926; rehabilitated 1993
Builders: - American Bridge Co. of New York (Superstructure)
- Foundation Co. of New York (Substructure)
Design: Self-anchored eyebar suspension
Dimensions: Length of largest span: 430.1 ft.
Total length: 995.1 ft.
Deck width: 38.1 ft.
Vertical clearance above deck: 15.6 ft.
Recognition: Posted to the National Register of Historic Places on January 7, 1986
Also called: Ninth Street Bridge
Approximate latitude, longitude: +40.44644, -79.99961 (decimal degrees)
40°26'47" N, 79°59'59" W (degrees°minutes'seconds")
Approximate UTM coordinates: 17/584835/4477790 (zone/easting/northing)
Quadrangle map:: Pittsburgh East
Average daily traffic (as of 2005): 22,462
Inventory numbers: PA 02 7301 0000 2014 (Pennsylvania Bridge Management System number)
NRHP 86000019 (National Register of Historic Places reference number)
PANBI 02383 (Pennsylvania BRKEY bridge number on the 2011 NBI)
BH 30279 (Bridgehunter.com ID)
Inspection report (as of May 2017): Overall condition: Poor
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Deck condition rating: Poor (4 out of 9)
Sufficiency rating: 57.6 (out of 100)
View more at BridgeReports.com

February 14, 2022: New photos from Bambi Sharkoman
April 8, 2017: Updated by Christopher Finigan: Added category "Self-anchored suspension"
July 24, 2016: New photo from Royce and Bobette Haley
August 26, 2014: New photos from Patrick S. O'Donnell
March 24, 2012: HAER photos posted by Jason Smith
November 15, 2010: New photos from Jason Smith
November 14, 2010: Updated by Jason Smith: Changed the name of the bridge
July 27, 2009: New photos from James Baughn
April 18, 2009: Posted HAER photos

HAER PA-490-C - Three Sisters Bridges, Ninth Street Bridge, Spanning Allegheny River at Ninth Street, Pittsburgh, Allegheny County, PA
James Baughn - webmaster [at] bridgehunter [dot] com
Jason Smith - flensburg [dot] bridgehunter [dot] av [at] googlemail [dot] com
Todd Wilson
Historicbridges.org - by Nathan Holth
Patrick S. O'Donnell - 1 [dot] 991km [at] comcast [dot] net
Royce and Bobette Haley - roycehaley111 [at] yahoo [dot] com
Jesse Sharkoman Berube - jesseberube5 [at] gmail [dot] com