FHWA NBI 2024 Inspection record Public-domain dataset

Chimney Rock CR525

Carrying Chimney Rock CR525 over MIDDLE BROOK

1.3 m N of US 22, Somerset, New Jersey

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
100 t Inventory load rating

Bridge Snapshot: Chimney Rock CR525

The Chimney Rock CR525 bridge in Somerset, New Jersey carries Chimney Rock CR525 over MIDDLE BROOK. It was built in 2003, making it 23 years old today. The structure is built primarily of steel and spans 1 section, stretching 14.3 meters (47 feet) end to end. Daily traffic averages 11,646 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 a deck rating of 7/9, superstructure at 8/9, substructure at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 99.9 metric tons.

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

How Chimney Rock CR525 compares

▲ 56.1
Load rating vs New Jersey average (43.8 t)
Top 4%
Higher load rating than 96% of New Jersey bridges
393
Bridges in Somerset · 20 in Poor condition
Chimney Rock CR525 99.9 t
New Jersey average 43.8 t

Live comparison across New Jersey.

Historical Sufficiency Rating

PlainBridge-computed
95.9 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
28.0
Essentiality /15
13.9
Special reductions
−1.0

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 How the historical reference is calculated.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
8/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
99.9 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2003
Material
Steel
Number of Spans
1
Structure Length
14.3 m (47 ft)
Deck Width
12.0 m (39 ft)
Owner
County Highway Agency
Avg Daily Traffic
11,646 vehicles/day
Structure Number
18G0812

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • At 8/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether Chimney Rock CR525 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 Chimney Rock CR525 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 Chimney Rock CR525?

Chimney Rock CR525 in Somerset, New Jersey has a deck rating of 7/9, superstructure rating of 8/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is Chimney Rock CR525 inspected?

Chimney Rock CR525'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 11,646 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. Chimney Rock CR525 is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for Chimney Rock CR525?

Chimney Rock CR525 has an NBI inventory load rating of 99.9 metric tons.

Who is responsible for maintaining Chimney Rock CR525?

Chimney Rock CR525 is owned and maintained by County Highway Agency.

How old is Chimney Rock CR525 and does age affect safety?

Chimney Rock CR525 was built in 2003, making it 23 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.