FHWA NBI 2024 Inspection record Public-domain dataset

CR 524(ALLAIRE RD)

Carrying CR 524(ALLAIRE RD) over WRECK POND BROOK

1/2 MILE WEST OF NJ 35, Monmouth, New Jersey

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
26 t Inventory load rating

Bridge Snapshot: CR 524(ALLAIRE RD)

The CR 524(ALLAIRE RD) bridge in Monmouth, New Jersey carries CR 524(ALLAIRE RD) over WRECK POND BROOK. It was built in 1945, making it 81 years old today. It was last reconstructed in 1967, extending its service life. The structure is built primarily of concrete continuous and spans 4 sections, stretching 19.5 meters (64 feet) end to end. Daily traffic averages 7,239 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 7/9, superstructure at 7/9, substructure at 4/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 26.3 metric tons.

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

How CR 524(ALLAIRE RD) compares

▼ 17.5
Load rating vs New Jersey average (43.8 t)
Bottom 17%
Lower load rating than 83% of New Jersey bridges
503
Bridges in Monmouth · 40 in Poor condition
CR 524(ALLAIRE RD) 26.3 t
New Jersey average 43.8 t

Live comparison across New Jersey.

Historical Sufficiency Rating

PlainBridge-computed
44.9 / 100 - historical 20–49.9 band
Structural adequacy /55
25.1
Serviceability /30
9.0
Essentiality /15
10.8
Special reductions
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Inventory Load Rating
26.3 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1945
Last Reconstructed
1967
Material
Concrete Continuous
Number of Spans
4
Structure Length
19.5 m (64 ft)
Deck Width
9.8 m (32 ft)
Owner
County Highway Agency
Avg Daily Traffic
7,239 vehicles/day
Structure Number
1300W23

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • At 4/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.

How to read this record

CR 524(ALLAIRE RD) 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 CR 524(ALLAIRE RD) against other structures in Monmouth 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 CR 524(ALLAIRE RD)?

CR 524(ALLAIRE RD) in Monmouth, New Jersey has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is CR 524(ALLAIRE RD) inspected?

CR 524(ALLAIRE RD)'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 7,239 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CR 524(ALLAIRE RD) 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 CR 524(ALLAIRE RD)?

CR 524(ALLAIRE RD) has an NBI inventory load rating of 26.3 metric tons.

Who is responsible for maintaining CR 524(ALLAIRE RD)?

CR 524(ALLAIRE RD) is owned and maintained by County Highway Agency.

How old is CR 524(ALLAIRE RD) and does age affect safety?

CR 524(ALLAIRE RD) was built in 1945, making it 81 years old and last reconstructed in 1967.

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.