FHWA NBI 2024 Inspection record Public-domain dataset

SIDNEY RD (CR 617)

Carrying SIDNEY RD (CR 617) over Lehigh Valley ML

1.02 mi South of CR513, Hunterdon, New Jersey

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
29 t Inventory load rating

Bridge Snapshot: SIDNEY RD (CR 617)

The SIDNEY RD (CR 617) bridge in Hunterdon, New Jersey carries SIDNEY RD (CR 617) over Lehigh Valley ML. It was built in 1970, making it 56 years old today. It was last reconstructed in 1996, extending its service life. The structure is built primarily of steel and spans 3 sections, stretching 49.7 meters (163 feet) end to end. Daily traffic averages 2,770 vehicles, placing it in the moderately-trafficked tier of New Jersey bridges. It is owned and maintained by Unknown.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 4/9, substructure at 6/9. 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 29.0 metric tons.

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

How SIDNEY RD (CR 617) compares

▼ 14.8
Load rating vs New Jersey average (43.8 t)
Bottom 23%
Lower load rating than 77% of New Jersey bridges
370
Bridges in Hunterdon · 28 in Poor condition
SIDNEY RD (CR 617) 29.0 t
New Jersey average 43.8 t

Live comparison across New Jersey.

Historical Sufficiency Rating

PlainBridge-computed
47.5 / 100 - historical 20–49.9 band
Structural adequacy /55
28.0
Serviceability /30
9.0
Essentiality /15
13.5
Special reductions
−3.0

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 How the historical reference is calculated.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
4/9
Poor (1–4)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
29.0 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1970
Last Reconstructed
1996
Material
Steel
Number of Spans
3
Structure Length
49.7 m (163 ft)
Deck Width
11.6 m (38 ft)
Owner
Unknown
Avg Daily Traffic
2,770 vehicles/day
Structure Number
1050165

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) is in poor condition (4/9), showing advanced deterioration that may require priority repair.
  • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

SIDNEY RD (CR 617) 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 SIDNEY RD (CR 617) against other structures in Hunterdon 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 SIDNEY RD (CR 617)?

SIDNEY RD (CR 617) in Hunterdon, New Jersey has a deck rating of 7/9, superstructure rating of 4/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is SIDNEY RD (CR 617) inspected?

SIDNEY RD (CR 617)'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 2,770 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SIDNEY RD (CR 617) 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 SIDNEY RD (CR 617)?

SIDNEY RD (CR 617) has an NBI inventory load rating of 29.0 metric tons.

Who is responsible for maintaining SIDNEY RD (CR 617)?

SIDNEY RD (CR 617) is owned and maintained by Unknown.

How old is SIDNEY RD (CR 617) and does age affect safety?

SIDNEY RD (CR 617) was built in 1970, making it 56 years old and last reconstructed in 1996.

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.