3 votes

31st Street Bridge


Bridgemapper.com photo

Photo taken by Todd Wilson in 2008

BH Photo #404586

Street Views 


Steel arch bridge over Allegheny River on 31st Street in Pittsburgh
Pittsburgh, Allegheny County, Pennsylvania
Open to traffic
Built 1928; rehabilitated 1976 and 2007
Steel deck arch
Length of largest span: 379.9 ft.
Total length: 2,681.2 ft. (0.5 mi.)
Deck width: 27.9 ft.
Eligible for the National Register of Historic Places
Also called
William Raymond Promenade Memorial Bridge
Approximate latitude, longitude
+40.46333, -79.97667   (decimal degrees)
40°27'48" N, 79°58'36" W   (degrees°minutes'seconds")
Approximate UTM coordinates
17/586758/4479687 (zone/easting/northing)
Quadrangle map:
Pittsburgh East
Average daily traffic (as of 2017)
Inventory numbers
PA 02 2122 0010 0025 (Pennsylvania Bridge Management System number)
PANBI 01672 (Pennsylvania BRKEY bridge number on the 2011 NBI)
BH 30212 (Bridgehunter.com ID)
Inspection report (as of June 2017)
Overall condition: Fair
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Fair (5 out of 9)
Deck condition rating: Very Good (8 out of 9)
Sufficiency rating: 75.7 (out of 100)
View more at BridgeReports.com

Update Log 

  • February 14, 2022: New photo from Bambi Sharkoman
  • September 12, 2019: New photo from Geoff Hubbs
  • May 11, 2017: New Street View added by Dana and Kay Klein
  • July 7, 2016: New photo from Royce and Bobette Haley
  • March 22, 2015: Photos imported by Dave King
  • April 25, 2008: Updated by Max Johnson: Added year of rehabilitation



31st Street Bridge
Posted November 23, 2014, by Anonymous

does anyone know if this bridge is still listed as structurally deficient?just curious.thanks.

31st Street Bridge
Posted August 17, 2009, by GeneW (etwilson [at] gmail [dot] com)

They did a pretty amazing job restoring it a couple of years ago, looks brand new.

31st Street Bridge
Posted April 17, 2008, by DBR96A (dbr96a [at] hotmail [dot] com)

This bridge has been rehabilitated recently. I hope it's no longer in such bad shape.