FHWA NBI 2024 Inspection record Public-domain dataset

PRINCETON AVENUE

Carrying PRINCETON AVENUE over VAN HORN BROOK

0.5 MILES E. OF US 206, Somerset, New Jersey

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
47 t Inventory load rating

Bridge Snapshot: PRINCETON AVENUE

The PRINCETON AVENUE bridge in Somerset, New Jersey carries PRINCETON AVENUE over VAN HORN BROOK. It was built in 1978, making it 48 years old today. The structure is built primarily of concrete and spans 1 section, stretching 7.3 meters (24 feet) end to end. Daily traffic averages 3,787 vehicles, placing it in the moderately-trafficked tier of New Jersey bridges. It is owned and maintained by County 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. All reported major components score above the Poor range. Its NBI inventory load rating is 47.2 metric tons.

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

How PRINCETON AVENUE compares

▲ 3.4
Load rating vs New Jersey average (43.8 t)
Top 35%
Higher load rating than 65% of New Jersey bridges
393
Bridges in Somerset · 20 in Poor condition
PRINCETON AVENUE 47.2 t
New Jersey average 43.8 t

Live comparison across New Jersey.

Historical Sufficiency Rating

PlainBridge-computed
93.1 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
25.5
Essentiality /15
14.6
Special reductions
−2.0

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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
47.2 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1978
Material
Concrete
Number of Spans
1
Structure Length
7.3 m (24 ft)
Deck Width
12.8 m (42 ft)
Owner
County Highway Agency
Avg Daily Traffic
3,787 vehicles/day
Structure Number
18E0102

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • 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) rates fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether PRINCETON AVENUE 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 PRINCETON AVENUE against other structures in Somerset 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 PRINCETON AVENUE?

PRINCETON AVENUE in Somerset, 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 PRINCETON AVENUE inspected?

PRINCETON AVENUE'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 3,787 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. PRINCETON AVENUE 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 PRINCETON AVENUE?

PRINCETON AVENUE has an NBI inventory load rating of 47.2 metric tons.

Who is responsible for maintaining PRINCETON AVENUE?

PRINCETON AVENUE is owned and maintained by County Highway Agency.

How old is PRINCETON AVENUE and does age affect safety?

PRINCETON AVENUE was built in 1978, making it 48 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.