PLAINFIELD AVENUE
Carrying PLAINFIELD AVENUE over GREEN BROOK
AT SOMERSET COUNTY LINE, Union, New Jersey
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: PLAINFIELD AVENUE
The PLAINFIELD AVENUE bridge in Union, New Jersey carries PLAINFIELD AVENUE over GREEN BROOK. It was built in 1967, making it 59 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 7.9 meters (26 feet) end to end. Daily traffic averages 23,087 vehicles, placing it in the heavily-trafficked tier of New Jersey bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show culvert at 5/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 19.1 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How PLAINFIELD AVENUE compares
Live comparison across New Jersey.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1967
- Material
- Concrete Continuous
- Number of Spans
- 2
- Structure Length
- 7.9 m (26 ft)
- Deck Width
- 15.2 m (50 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 23,087 vehicles/day
- Structure Number
- 2001051
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 PLAINFIELD 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 PLAINFIELD AVENUE against other structures in Union 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 PLAINFIELD AVENUE?
PLAINFIELD AVENUE in Union, New Jersey on the FHWA's 0–9 scale.
How often is PLAINFIELD AVENUE inspected?
PLAINFIELD 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 23,087 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. PLAINFIELD 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 PLAINFIELD AVENUE?
PLAINFIELD AVENUE has an NBI inventory load rating of 19.1 metric tons.
Who is responsible for maintaining PLAINFIELD AVENUE?
PLAINFIELD AVENUE is owned and maintained by County Highway Agency.
How old is PLAINFIELD AVENUE and does age affect safety?
PLAINFIELD AVENUE was built in 1967, making it 59 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.
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.