FHWA NBI 2024 Inspection record Public-domain dataset

NJTPK INT.12 R.SIT

Carrying NJTPK INT.12 R.SIT over NJ TPK SNO RWY CRR OF NJ

INTERCHANGE 12, Middlesex, New Jersey

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
36 t Inventory load rating Lower than 59% of rated New Jersey bridges

NJTPK INT.12 R.SIT in Middlesex, New Jersey sits above 41% of rated New Jersey bridges on inventory load rating (36 t), while its 1961 build year is earlier than 70% of Middlesex's recorded-year cohort (563 bridges).

NJTPK INT.12 R.SIT in Middlesex, New Jersey is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1961, 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:M09589A

INTERSTATE-ERA · STEEL · LONG-SPAN-RUN · TIED-CTRL · ARTERIAL-ADT · STANDARD-LOAD · CAT-FAIR

  • INTERSTATE-ERA 1950–1979
  • STEEL Steel
  • LONG-SPAN-RUN 6 spans
  • TIED-CTRL Tied control
  • ARTERIAL-ADT Arterial 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: NJTPK INT.12 R.SIT

The NJTPK INT.12 R.SIT bridge in Middlesex, New Jersey carries NJTPK INT.12 R.SIT over NJ TPK SNO RWY CRR OF NJ. It was built in 1961, making it 65 years old today. It was last reconstructed in 1994, extending its service life. The structure is built primarily of steel and spans 6 sections, stretching 153.9 meters (505 feet) end to end. Daily traffic averages 1,860 vehicles, placing it in the moderately-trafficked tier of New Jersey bridges. It is owned and maintained by State Toll Authority.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 6/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range.

How NJTPK INT.12 R.SIT compares

▼ 7.5
Load rating vs New Jersey average (43.5 t; 6,826 of 6,827 rated)
563
Bridges in Middlesex · 25 in Poor condition

Age against the county: built in 1961, earlier than 392 of Middlesex's 563 bridges with a recorded construction year (70%), against a county median build year of 1972. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

NJTPK INT.12 R.SIT 36.0 t
New Jersey average (6,826 of 6,827 rated) 43.5 t

Live comparison across New Jersey bridges with a recorded inventory load rating (6,826 of 6,827 rated).

NJTPK INT.12 R.SIT vs every rated New Jersey bridge

Inventory load rating (metric tons), FHWA NBI, this state

36 Top 59% higher than 41% 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

Deck
7/9
Good (7–9)
Superstructure
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
36.0 t
NBI inventory level (metric tons)
Overall Condition
Fair

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.

Middlesex inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 563 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
1961
Last Reconstructed
1994
Material
Steel
Number of Spans
6
Structure Length
153.9 m (505 ft)
Deck Width
9.8 m (32 ft)
Owner
State Toll Authority
Avg Daily Traffic
1,860 vehicles/day
Structure Number
M09589A

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether NJTPK INT.12 R.SIT 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 NJTPK INT.12 R.SIT against other structures in Middlesex 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 NJTPK INT.12 R.SIT?

NJTPK INT.12 R.SIT in Middlesex, New Jersey has a deck rating of 7/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is NJTPK INT.12 R.SIT inspected?

NJTPK INT.12 R.SIT'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 1,860 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. NJTPK INT.12 R.SIT 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 NJTPK INT.12 R.SIT?

NJTPK INT.12 R.SIT has an NBI inventory load rating of 36.0 metric tons.

Who is responsible for maintaining NJTPK INT.12 R.SIT?

NJTPK INT.12 R.SIT is owned and maintained by State Toll Authority.

How old is NJTPK INT.12 R.SIT and does age affect safety?

NJTPK INT.12 R.SIT was built in 1961, making it 65 years old and last reconstructed in 1994.

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

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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.

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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.