Dirt Farm Road
Carrying Dirt Farm Road over FORMER STRANTON BRANCH
Enter at 28 Heller Hill R, Warren, New Jersey
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
Dirt Farm Road in Warren, New Jersey sits above 1% of rated New Jersey bridges on inventory load rating (12 t), while its 1911 build year is earlier than 84% of Warren's recorded-year cohort (268 bridges).
Dirt Farm Road in Warren, New Jersey is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1911, it carries 2 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 5. 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:2153161
PRE-1950 · CONCRETE · SINGLE-SPAN · SUPER-LED · TRACE-ADT · LIGHT-LOAD · CAT-FAIR
- PRE-1950 Pre-1950
- CONCRETE Concrete
- SINGLE-SPAN Single span
- SUPER-LED Superstructure-led
- TRACE-ADT Trace ADT
- LIGHT-LOAD Light 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: Dirt Farm Road
The Dirt Farm Road bridge in Warren, New Jersey carries Dirt Farm Road over FORMER STRANTON BRANCH. It was built in 1911, making it 115 years old today. The structure is built primarily of concrete and spans 1 section, stretching 22.9 meters (75 feet) end to end. Daily traffic averages 3 vehicles, placing it in the lower-traffic tier of New Jersey bridges. It is owned and maintained by Unknown.
The latest FHWA inspection records show superstructure at 5/9, substructure at 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds.
How Dirt Farm Road compares
Age against the county: built in 1911, earlier than 225 of Warren's 268 bridges with a recorded construction year (84%), against a county median build year of 1953. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across New Jersey bridges with a recorded inventory load rating (6,826 of 6,827 rated).
Dirt Farm Road vs every rated New Jersey bridge
Inventory load rating (metric tons), FHWA NBI, this state
12 Top 99% higher than 1% 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.
Warren inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 268 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
- 1911
- Material
- Concrete
- Number of Spans
- 1
- Structure Length
- 22.9 m (75 ft)
- Deck Width
- 5.1 m (17 ft)
- Owner
- Unknown
- Avg Daily Traffic
- 3 vehicles/day
- Structure Number
- 2153161
Condition Analysis
- • At 5/9, 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 Dirt Farm Road 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 Dirt Farm Road against other structures in Warren 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 Dirt Farm Road?
Dirt Farm Road in Warren, New Jersey, superstructure rating of 5/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is Dirt Farm Road inspected?
Dirt Farm Road'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 3 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. Dirt Farm Road 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 Dirt Farm Road?
Dirt Farm Road has an NBI inventory load rating of 11.8 metric tons.
Who is responsible for maintaining Dirt Farm Road?
Dirt Farm Road is owned and maintained by Unknown.
How old is Dirt Farm Road and does age affect safety?
Dirt Farm Road was built in 1911, making it 115 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.
Share this inspection record
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.