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Tributary of Back Brook Bridge

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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 (680)
Built during 1930s (10,444)
Corrugated deck (515)
Hunterdon County, New Jersey (145)
NR-eligible (3,957)
New Jersey (1,193)
Open (36,163)
Owned by county (18,728)
Pony truss (14,994)
Pratt pony truss (3,147)
Pratt truss (7,933)
Span length 25-50 feet (13,359)
Total length 25-50 feet (9,724)
Truss (29,295)

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.