NJ-173 Bridge
NBI Information
Location
State: New Jersey
County: Hunterdon County
Feature Carried: NJ-173
Feature Crossed: South Branch Raritan River
Latitude, Longitude: 40.6350,-74.9117
Toll: On free road
Maintenance Responsibility: State Highway Agency
Structure Open, Posted, or Closed to Traffic: Open, no restriction
History
Year Built: 1926
Historical Significance: Bridge is not eligible for the National Register of Historic Places.
Year Reconstructed: None
Year Demolished: 2006
Picture Date: April 18, 2026
Geometry
Lanes on Structure: 2
Lanes under Structure: 0
Skew: 0 degrees
Number of Main Spans: 3
Main Structure Type: Girder and Floorbeam System
Main Structure Material: Steel
Number of Approach Spans: None
Approach Structure Type: None
Approach Structure Material: None
Condition
Inspection Date: August 2024
Deck Condition: Good
Superstructure Condition: Satisfactory
Substructure Condition: Satisfactory
Channel Condition: Good
Culvert: Not Applicable
NBI Year: 2025
Bridge Information
The NJ 173 bridge is often overlooked due to its proximity to the Main Street Bridge, but this bridge is also an important historic bridge. Built in 1926, it is a great example of a concrete encased steel through girder bridge, due to its lack of alteration and relatively good physical condition. This type of bridge isn’t particularly common and is not built in the modern age.
The bridge was rehabilitated in 2006 as part of a project to redesign the Route 173 and Clinton-Lakeview Avenue intersection.
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