2 votes

School Street Bridge


Color photo

Photo taken by Historic American Engineering Record

View photos at Library of Congress

BH Photo #172136

Street Views 


Pony truss bridge over Spruce Run River on School Street in Glen Gardner
Hunterdon County, New Jersey
Open to traffic
Built 1870 by the Cowin Iron Works; rehabilitated 1993
- Cowin Iron Works of Lambertville, New Jersey
- Lambertville Iron Works of Lambertville, New Jersey
Pin-connected, 8-panel, wrought- and cast-iron Pratt pony truss
Length of largest span: 80.1 ft.
Total length: 84.0 ft.
Deck width: 16.4 ft.
Posted to the National Register of Historic Places on September 22, 1977
Approximate latitude, longitude
+40.70111, -74.94361   (decimal degrees)
40°42'04" N, 74°56'37" W   (degrees°minutes'seconds")
Approximate UTM coordinates
18/504763/4505579 (zone/easting/northing)
Quadrangle map:
High Bridge
Average daily traffic (as of 2017)
Inventory numbers
NJ 10XXG63 (New Jersey bridge number)
BH 25314 (Bridgehunter.com ID)
Inspection report (as of July 2017)
Overall condition: Fair
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Deck condition rating: Satisfactory (6 out of 9)
Sufficiency rating: 20.2 (out of 100)
View more at BridgeReports.com

Update Log 

  • June 5, 2021: Updated by Art Suckewer: Added Lambertville Iron Works to simplify searches - same facility
  • December 28, 2020: New photos from Patrick Gurwell
  • December 7, 2020: Updated by Geoff Hubbs: Added NRHP data
  • February 17, 2018: New Street View added by Dana and Kay Klein
  • May 30, 2017: Updated by Christopher Finigan: Added category "Pin-connected"
  • August 20, 2012: New photos from Andrew Pearce
  • August 7, 2010: New Street View added by James Baughn


  • HAER NJ-92 - Glen Gardner Bridge, Spanning Spruce Run, Glen Gardner, Hunterdon County, NJ
  • Historicbridges.org - by Nathan Holth
  • Dana and Kay Klein
  • Geoff Hubbs
  • Patrick Gurwell - pgurwell [at] gmail [dot] com
  • Art Suckewer - Asuckewer [at] knite [dot] com


School Street Bridge
Posted August 22, 2014, by ArtS (asuckewer [at] knite [dot] com)