FHWA NBI 2024 Inspection record Public-domain dataset

NJ 179

Carrying NJ 179 over BACK BROOK (RINGOES CRK)

0.35 MILE SO CO. RT. 579, Hunterdon, New Jersey

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
35 t Inventory load rating

Bridge Snapshot: NJ 179

The NJ 179 bridge in Hunterdon, New Jersey carries NJ 179 over BACK BROOK (RINGOES CRK). It was built in 1929, making it 97 years old today. The structure is built primarily of concrete and spans 1 section, stretching 7.3 meters (24 feet) end to end. Daily traffic averages 4,103 vehicles, placing it in the moderately-trafficked tier of New Jersey bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show culvert at 5/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 35.4 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How NJ 179 compares

▼ 8.4
Load rating vs New Jersey average (43.8 t)
Bottom 43%
Lower load rating than 57% of New Jersey bridges
370
Bridges in Hunterdon · 28 in Poor condition
NJ 179 35.4 t
New Jersey average 43.8 t

Live comparison across New Jersey.

Historical Sufficiency Rating

PlainBridge-computed
86.3 / 100 - historical 80–100 band
Structural adequacy /55
45.0
Serviceability /30
29.0
Essentiality /15
14.3
Special reductions
−2.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Culvert
5/9
Fair (5–6)
Inventory Load Rating
35.4 t
NBI inventory level (metric tons)
Overall Condition
Fair

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
1929
Material
Concrete
Number of Spans
1
Structure Length
7.3 m (24 ft)
Owner
State Highway Agency
Avg Daily Traffic
4,103 vehicles/day
Structure Number
1022150

How to read this record

This page shows what the last federal inspection recorded, not whether NJ 179 is safe to cross today. Here is how to use it.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
  • Compare NJ 179 against other structures in Hunterdon and across New Jersey. New Jersey bridges
  • Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge

Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.

Frequently Asked Questions

What do the condition ratings mean for NJ 179?

NJ 179 in Hunterdon, New Jersey on the FHWA's 0–9 scale.

How often is NJ 179 inspected?

NJ 179's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 4,103 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. NJ 179 is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for NJ 179?

NJ 179 has an NBI inventory load rating of 35.4 metric tons.

Who is responsible for maintaining NJ 179?

NJ 179 is owned and maintained by State Highway Agency.

How old is NJ 179 and does age affect safety?

NJ 179 was built in 1929, making it 97 years old.

Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.