PARK AVE (CR 531)
Carrying PARK AVE (CR 531) over LEHIGH VALLEY MAIN LINE
2.9MI N OF I287&NJ27 JCT, Middlesex, New Jersey
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: PARK AVE (CR 531)
The PARK AVE (CR 531) bridge in Middlesex, New Jersey carries PARK AVE (CR 531) over LEHIGH VALLEY MAIN LINE. It was built in 1933, making it 93 years old today. The structure is built primarily of steel and spans 1 section, stretching 38.1 meters (125 feet) end to end. Daily traffic averages 14,333 vehicles, placing it in the heavily-trafficked tier of New Jersey bridges. It is owned and maintained by Unknown.
The latest FHWA inspection records show a deck rating of 3/9, superstructure at 3/9, substructure at 5/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 20.9 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How PARK AVE (CR 531) 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 How the historical reference is calculated.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
- 1933
- Material
- Steel
- Number of Spans
- 1
- Structure Length
- 38.1 m (125 ft)
- Deck Width
- 9.8 m (32 ft)
- Owner
- Unknown
- Avg Daily Traffic
- 14,333 vehicles/day
- Structure Number
- 1253163
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) rates poor at 3/9, advanced deterioration that should be prioritized for repair.
- • At 3/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear flagged for priority repair.
- • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.
How to read this record
PARK AVE (CR 531) is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- Compare PARK AVE (CR 531) 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 PARK AVE (CR 531)?
PARK AVE (CR 531) in Middlesex, New Jersey has a deck rating of 3/9, superstructure rating of 3/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.
How often is PARK AVE (CR 531) inspected?
PARK AVE (CR 531)'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 14,333 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. PARK AVE (CR 531) is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for PARK AVE (CR 531)?
PARK AVE (CR 531) has an NBI inventory load rating of 20.9 metric tons.
Who is responsible for maintaining PARK AVE (CR 531)?
PARK AVE (CR 531) is owned and maintained by Unknown.
How old is PARK AVE (CR 531) and does age affect safety?
PARK AVE (CR 531) was built in 1933, making it 93 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.