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Tributary of Back Brook Bridge

Map 

Facts 

Overview
Pony truss bridge over Tributary of Back Brook on CR 602
Location
Hunterdon County, New Jersey
Status
Open to traffic
History
Built 1934; rehabilitated 2002
Design
Pratt pony truss
Dimensions
Length of largest span: 42.0 ft.
Total length: 44.0 ft.
Deck width: 24.0 ft.
Recognition
Eligible for the National Register of Historic Places
Approximate latitude, longitude
+40.42828, -74.83064   (decimal degrees)
40°25'42" N, 74°49'50" W   (degrees°minutes'seconds")
Approximate UTM coordinates
18/514365/4475307 (zone/easting/northing)
Quadrangle map:
Hopewell
Inventory numbers
NJ 100E171 (New Jersey bridge number)
BH 25327 (Bridgehunter.com ID)
Inspection (as of 06/2015)
Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 60.5 (out of 100)
Average daily traffic (as of 2015)
2,360

Categories 

Built 1934 (699)
Built during 1930s (10,672)
Corrugated deck (515)
Hunterdon County, New Jersey (148)
NR-eligible (3,978)
New Jersey (1,205)
Open (36,834)
Owned by county (18,906)
Pony truss (15,068)
Pratt pony truss (3,190)
Pratt truss (8,051)
Span length 25-50 feet (13,704)
Total length 25-50 feet (9,919)
Truss (29,505)

Update Log 

  • August 12, 2011: New photo from Luke Harden

Sources 

  • Luke

Comments 

Tributary of Back Brook Bridge
Posted August 12, 2011, by Joe Brennan (brennan [at] columbia [dot] edu)

It's hard to say what parts of this bridge are from 1834. View looking south, August 11, 2011.