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
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
USGS topographic map
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 (as of 05/2009)
Deck condition rating: Fair(5 out of 9) Superstructure condition rating: Fair(5 out of 9) Substructure condition rating: Satisfactory(6 out of 9) Appraisal: Functionally obsolete
Sufficiency rating: 47.4 (out of 100)
Average daily traffic (as of 2005)
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 - JDSmith77 [at] gmx [dot] net
HAER PA-490-B - Three Sisters Bridges, Seventh Street Bridge, Spanning Allegheny River at Seventh Street, Pittsburgh, Allegheny County, PA