7 votes

Sister Bridge II: Andy Warhol Bridge


Seventh St. Bridge

Middle of the Three Sisters Bridges

Photo taken by Brian McKee in January 2009


BH Photo #131294


Street Views 


Suspension bridge over Allegheny River on Seventh Street in Pittsburgh
Pittsburgh, Allegheny County, Pennsylvania
Open to traffic
Built 1926; rehabilitated 1977
- American Bridge Co. of New York (Superstructure)
- Foundation Co. of New York (Substructure)
Self-anchored eyebar suspension
Length of largest span: 442.0 ft.
Total length: 1,061.1 ft.
Deck width: 37.4 ft.
Vertical clearance above deck: 16.2 ft.
Posted to the National Register of Historic Places on January 7, 1986
Also called
Seventh Street Bridge
Approximate latitude, longitude
+40.44667, -80.00167   (decimal degrees)
40°26'48" N, 80°00'06" W   (degrees°minutes'seconds")
Approximate UTM coordinates
17/584660/4477813 (zone/easting/northing)
Quadrangle map:
Pittsburgh West
Average daily traffic (as of 2005)
Inventory numbers
PA 02 7301 0000 2013 (Pennsylvania Bridge Management System number)
NRHP 86000018 (National Register of Historic Places reference number)
PANBI 02382 (Pennsylvania BRKEY bridge number on the 2011 NBI)
BH 30305 (Bridgehunter.com ID)
Inspection report (as of May 2015)
Overall condition: Poor
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Fair (5 out of 9)
Deck condition rating: Poor (4 out of 9)
Sufficiency rating: 45.3 (out of 100)
View more at BridgeReports.com

Update Log 

  • 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
  • January 6, 2009: Updated by Ian Anderson
  • January 4, 2009: New photos from Brian McKee


  • Brian McKee - bjmckee51 [at] yahoo [dot] com
  • Ian Anderson - macsignals [at] gmail [dot] com
  • Jason Smith - flensburg [dot] bridgehunter [dot] av [at] googlemail [dot] com
  • HAER PA-490-B - Three Sisters Bridges, Seventh Street Bridge, Spanning Allegheny River at Seventh Street, Pittsburgh, Allegheny County, PA
  • Patrick S. O'Donnell - 1 [dot] 991km [at] comcast [dot] net
  • Royce and Bobette Haley - roycehaley111 [at] yahoo [dot] com


Seventh Street Bridge
Posted September 30, 2008, by Ian Anderson (macsignals [at] gmail [dot] com)

These 3 bridges are also all self-anchored spans.

Seventh Street Bridge
Posted November 29, 2007, by Jay Nicks (jnicks11 [at] juno [dot] com)

This is an eye bar Suspension Bridge.