FHWA NBI 2024 Inspection record Public-domain dataset

N2450

Carrying N2450 over CHEYENNE CREEK

.5S 1E .9S OF CHEY.VALLEY, Major, Oklahoma

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
19 t Inventory load rating

Bridge Snapshot: N2450

The N2450 bridge in Major, Oklahoma carries N2450 over CHEYENNE CREEK. It was built in 1995, making it 31 years old today. The structure is built primarily of steel continuous and spans 3 sections, stretching 39.3 meters (129 feet) end to end. Daily traffic averages 60 vehicles, placing it in the lower-traffic tier of Oklahoma bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 6/9, substructure at 7/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 19.1 metric tons.

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

How N2450 compares

▼ 13.3
Load rating vs Oklahoma average (32.4 t)
Bottom 9%
Lower load rating than 91% of Oklahoma bridges
266
Bridges in Major · 22 in Poor condition
N2450 19.1 t
Oklahoma average 32.4 t

Live comparison across Oklahoma.

Historical Sufficiency Rating

PlainBridge-computed
83.2 / 100 - historical 80–100 band
Structural adequacy /55
39.2
Serviceability /30
29.0
Essentiality /15
15.0
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 How the historical reference is calculated.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

Deck
7/9
Good (7–9)
Superstructure
6/9
Fair (5–6)
Substructure
7/9
Good (7–9)
Inventory Load Rating
19.1 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1995
Material
Steel Continuous
Number of Spans
3
Structure Length
39.3 m (129 ft)
Deck Width
8.2 m (27 ft)
Owner
County Highway Agency
Avg Daily Traffic
60 vehicles/day
Structure Number
105340000000000

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 fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether N2450 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 N2450 against other structures in Major and across Oklahoma. Oklahoma 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 N2450?

N2450 in Major, Oklahoma has a deck rating of 7/9, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is N2450 inspected?

N2450'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 60 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. N2450 is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for N2450?

N2450 has an NBI inventory load rating of 19.1 metric tons.

Who is responsible for maintaining N2450?

N2450 is owned and maintained by County Highway Agency.

How old is N2450 and does age affect safety?

N2450 was built in 1995, making it 31 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.