FHWA NBI 2024 Inspection record Public-domain dataset

NJ TPK NSO NSI RWY

Carrying NJ TPK NSO NSI RWY over IRELAND BROOK OVERPASS

3.8 MI NORTH OF INT 8A, Middlesex, New Jersey

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
55 t Inventory load rating

Bridge Snapshot: NJ TPK NSO NSI RWY

The NJ TPK NSO NSI RWY bridge in Middlesex, New Jersey carries NJ TPK NSO NSI RWY over IRELAND BROOK OVERPASS. It was built in 1990, making it 36 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 32.3 meters (106 feet) end to end. Daily traffic averages 93,801 vehicles, placing it in the heavily-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 7/9, substructure at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 55.4 metric tons.

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

How NJ TPK NSO NSI RWY compares

▲ 11.6
Load rating vs New Jersey average (43.8 t)
Top 23%
Higher load rating than 77% of New Jersey bridges
562
Bridges in Middlesex · 18 in Poor condition
NJ TPK NSO NSI RWY 55.4 t
New Jersey average 43.8 t

Live comparison across New Jersey.

Historical Sufficiency Rating

PlainBridge-computed
66.7 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
11.0
Essentiality /15
1.7
Special reductions
−1.0

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 How the historical reference is calculated.

Condition Ratings

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

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

Structural Details

Year Built
1990
Material
Prestressed Concrete
Number of Spans
1
Structure Length
32.3 m (106 ft)
Deck Width
23.5 m (77 ft)
Owner
State Toll Authority
Avg Daily Traffic
93,801 vehicles/day
Structure Number
M077790

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether NJ TPK NSO NSI RWY 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 TPK NSO NSI RWY 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 NJ TPK NSO NSI RWY?

NJ TPK NSO NSI RWY in Middlesex, New Jersey has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is NJ TPK NSO NSI RWY inspected?

NJ TPK NSO NSI RWY'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 93,801 vehicles per day.

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

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

What is the inventory load rating for NJ TPK NSO NSI RWY?

NJ TPK NSO NSI RWY has an NBI inventory load rating of 55.4 metric tons.

Who is responsible for maintaining NJ TPK NSO NSI RWY?

NJ TPK NSO NSI RWY is owned and maintained by State Toll Authority.

How old is NJ TPK NSO NSI RWY and does age affect safety?

NJ TPK NSO NSI RWY was built in 1990, making it 36 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.