FHWA NBI 2024 Inspection record Public-domain dataset

CR 523

Carrying CR 523 over MIDDLE BROOK

0.10 mi S of Large Cross, Somerset, New Jersey

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
33 t Inventory load rating

Bridge Snapshot: CR 523

The CR 523 bridge in Somerset, New Jersey carries CR 523 over MIDDLE BROOK. It was built in 2001, making it 25 years old today. The structure is built primarily of concrete and spans 1 section, stretching 6.7 meters (22 feet) end to end. Daily traffic averages 4,905 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 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 32.7 metric tons.

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

How CR 523 compares

▼ 11.1
Load rating vs New Jersey average (43.8 t)
Bottom 33%
Lower load rating than 67% of New Jersey bridges
393
Bridges in Somerset · 20 in Poor condition
CR 523 32.7 t
New Jersey average 43.8 t

Live comparison across New Jersey.

Historical Sufficiency Rating

PlainBridge-computed
70.0 / 100 - historical 50–79.9 band
Structural adequacy /55
30.0
Serviceability /30
26.0
Essentiality /15
14.0
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 How the historical reference is calculated.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

Superstructure
7/9
Good (7–9)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
32.7 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
2001
Material
Concrete
Number of Spans
1
Structure Length
6.7 m (22 ft)
Deck Width
11.5 m (38 ft)
Owner
County Highway Agency
Avg Daily Traffic
4,905 vehicles/day
Structure Number
18D1110

Condition Analysis

  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) is in poor condition (4/9), showing advanced deterioration that may require priority repair.

How to read this record

CR 523 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 523 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 CR 523?

CR 523 in Somerset, New Jersey, superstructure rating of 7/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is CR 523 inspected?

CR 523'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 4,905 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CR 523 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 523?

CR 523 has an NBI inventory load rating of 32.7 metric tons.

Who is responsible for maintaining CR 523?

CR 523 is owned and maintained by County Highway Agency.

How old is CR 523 and does age affect safety?

CR 523 was built in 2001, making it 25 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.