NJ 173(RUPELLS RD)
Carrying NJ 173(RUPELLS RD) over I-78
3 MI WEST OF RT 31, Hunterdon, New Jersey
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
NJ 173(RUPELLS RD) in Hunterdon, New Jersey sits above 8% of rated New Jersey bridges on inventory load rating (22 t), while its 1967 build year is earlier than 34% of Hunterdon's recorded-year cohort (373 bridges).
NJ 173(RUPELLS RD) in Hunterdon, New Jersey is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1967, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. The lowest applicable rating sets the federal condition category, so this Fair result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure NJ:1015156
INTERSTATE-ERA · PRESTRESS · MULTI-SPAN · TIED-CTRL · HEAVY-ADT · STANDARD-LOAD · CAT-FAIR
- INTERSTATE-ERA 1950–1979
- PRESTRESS Prestressed concrete
- MULTI-SPAN 2 spans
- TIED-CTRL Tied control
- HEAVY-ADT Heavy ADT
- STANDARD-LOAD Standard load
- CAT-FAIR Fair
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: NJ 173(RUPELLS RD)
The NJ 173(RUPELLS RD) bridge in Hunterdon, New Jersey carries NJ 173(RUPELLS RD) over I-78. It was built in 1967, making it 59 years old today. The structure is built primarily of prestressed concrete and spans 2 sections, stretching 52.4 meters (172 feet) end to end. Daily traffic averages 10,153 vehicles, placing it in the heavily-trafficked tier of New Jersey bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range.
How NJ 173(RUPELLS RD) compares
Age against the county: built in 1967, earlier than 125 of Hunterdon's 373 bridges with a recorded construction year (34%), against a county median build year of 1953. This is one of the newer structures in its county.
Live comparison across New Jersey bridges with a recorded inventory load rating (6,826 of 6,827 rated).
NJ 173(RUPELLS RD) vs every rated New Jersey bridge
Inventory load rating (metric tons), FHWA NBI, this state
22 Top 92% higher than 8% of 6,826 bridges
rated New Jersey bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.
Hunterdon inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 373 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 1967
- Material
- Prestressed Concrete
- Number of Spans
- 2
- Structure Length
- 52.4 m (172 ft)
- Deck Width
- 12.5 m (41 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 10,153 vehicles/day
- Structure Number
- 1015156
Condition Analysis
- • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
- • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
- • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether NJ 173(RUPELLS RD) 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 173(RUPELLS RD) 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 173(RUPELLS RD)?
NJ 173(RUPELLS RD) in Hunterdon, New Jersey has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is NJ 173(RUPELLS RD) inspected?
NJ 173(RUPELLS RD)'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 10,153 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. NJ 173(RUPELLS RD) 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 173(RUPELLS RD)?
NJ 173(RUPELLS RD) has an NBI inventory load rating of 21.8 metric tons.
Who is responsible for maintaining NJ 173(RUPELLS RD)?
NJ 173(RUPELLS RD) is owned and maintained by State Highway Agency.
How old is NJ 173(RUPELLS RD) and does age affect safety?
NJ 173(RUPELLS RD) was built in 1967, making it 59 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.
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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.