FHWA NBI 2024 Inspection record Public-domain dataset

N OLDEN AVE-CR 622

Carrying N OLDEN AVE-CR 622 over ASSUNPINK CREEK

0.14 MI N OF AMTRAK, Mercer, New Jersey

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
28 t Inventory load rating

Bridge Snapshot: N OLDEN AVE-CR 622

The N OLDEN AVE-CR 622 bridge in Mercer, New Jersey carries N OLDEN AVE-CR 622 over ASSUNPINK CREEK. It was built in 1937, making it 89 years old today. It was last reconstructed in 2017, extending its service life. The structure is built primarily of prestressed concrete and spans 1 section, stretching 22.3 meters (73 feet) end to end. Daily traffic averages 14,115 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 8/9, superstructure at 8/9, substructure at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 28.2 metric tons.

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

How N OLDEN AVE-CR 622 compares

▼ 15.6
Load rating vs New Jersey average (43.8 t)
Bottom 23%
Lower load rating than 77% of New Jersey bridges
413
Bridges in Mercer · 35 in Poor condition
N OLDEN AVE-CR 622 28.2 t
New Jersey average 43.8 t

Live comparison across New Jersey.

Historical Sufficiency Rating

PlainBridge-computed
93.8 / 100 - historical 80–100 band
Structural adequacy /55
52.2
Serviceability /30
28.0
Essentiality /15
13.6
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 How the historical reference is calculated.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
8/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
28.2 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1937
Last Reconstructed
2017
Material
Prestressed Concrete
Number of Spans
1
Structure Length
22.3 m (73 ft)
Deck Width
18.1 m (59 ft)
Owner
County Highway Agency
Avg Daily Traffic
14,115 vehicles/day
Structure Number
1100056

Condition Analysis

  • The deck (driving surface) is in good condition (8/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) is in good condition (8/9), showing no significant deterioration.
  • 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 N OLDEN AVE-CR 622 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 N OLDEN AVE-CR 622 against other structures in Mercer 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 N OLDEN AVE-CR 622?

N OLDEN AVE-CR 622 in Mercer, New Jersey has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is N OLDEN AVE-CR 622 inspected?

N OLDEN AVE-CR 622'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 14,115 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. N OLDEN AVE-CR 622 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 N OLDEN AVE-CR 622?

N OLDEN AVE-CR 622 has an NBI inventory load rating of 28.2 metric tons.

Who is responsible for maintaining N OLDEN AVE-CR 622?

N OLDEN AVE-CR 622 is owned and maintained by County Highway Agency.

How old is N OLDEN AVE-CR 622 and does age affect safety?

N OLDEN AVE-CR 622 was built in 1937, making it 89 years old and last reconstructed in 2017.

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.