NJ TPK ST-TN RAMPS
Carrying NJ TPK ST-TN RAMPS over NJ TPK NSO NSI SNI SNO*
.1 MI NORTH OF INT 9, Middlesex, New Jersey
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
NJ TPK ST-TN RAMPS in Middlesex, New Jersey sits above 58% of rated New Jersey bridges on inventory load rating (44 t), while its 1973 build year is earlier than 43% of Middlesex's recorded-year cohort (563 bridges).
NJ TPK ST-TN RAMPS in Middlesex, New Jersey is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1973, 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:M083420
INTERSTATE-ERA · STEEL · LONG-SPAN-RUN · TIED-CTRL · HEAVY-ADT · HEAVY-LOAD · CAT-FAIR
- INTERSTATE-ERA 1950–1979
- STEEL Steel
- LONG-SPAN-RUN 6 spans
- TIED-CTRL Tied control
- HEAVY-ADT Heavy ADT
- HEAVY-LOAD Heavy 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 TPK ST-TN RAMPS
The NJ TPK ST-TN RAMPS bridge in Middlesex, New Jersey carries NJ TPK ST-TN RAMPS over NJ TPK NSO NSI SNI SNO*. It was built in 1973, making it 53 years old today. It was last reconstructed in 1989, extending its service life. The structure is built primarily of steel and spans 6 sections, stretching 168.9 meters (554 feet) end to end. Daily traffic averages 39,629 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 6/9, 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 NJ TPK ST-TN RAMPS compares
Age against the county: built in 1973, earlier than 244 of Middlesex's 563 bridges with a recorded construction year (43%), against a county median build year of 1972. 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 TPK ST-TN RAMPS vs every rated New Jersey bridge
Inventory load rating (metric tons), FHWA NBI, this state
44 Top 42% higher than 58% 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.
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
- 1973
- Last Reconstructed
- 1989
- Material
- Steel
- Number of Spans
- 6
- Structure Length
- 168.9 m (554 ft)
- Deck Width
- 22.2 m (73 ft)
- Owner
- State Toll Authority
- Avg Daily Traffic
- 39,629 vehicles/day
- Structure Number
- M083420
Condition Analysis
- • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
- • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
- • 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 TPK ST-TN RAMPS 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 ST-TN RAMPS 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 ST-TN RAMPS?
NJ TPK ST-TN RAMPS in Middlesex, 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 TPK ST-TN RAMPS inspected?
NJ TPK ST-TN RAMPS'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 39,629 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. NJ TPK ST-TN RAMPS 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 TPK ST-TN RAMPS?
NJ TPK ST-TN RAMPS has an NBI inventory load rating of 43.7 metric tons.
Who is responsible for maintaining NJ TPK ST-TN RAMPS?
NJ TPK ST-TN RAMPS is owned and maintained by State Toll Authority.
How old is NJ TPK ST-TN RAMPS and does age affect safety?
NJ TPK ST-TN RAMPS was built in 1973, making it 53 years old and last reconstructed in 1989.
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.