FHWA NBI 2024 Inspection record Public-domain dataset

1124C/ N4418

Carrying 1124C/ N4418 over FOURTEEN MILE CREEK

3.5 MI N HULBERT SH 51, Cherokee, Oklahoma

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
47 t Inventory load rating

Bridge Snapshot: 1124C/ N4418

The 1124C/ N4418 bridge in Cherokee, Oklahoma carries 1124C/ N4418 over FOURTEEN MILE CREEK. It was built in 1981, making it 45 years old today. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 74.1 meters (243 feet) end to end. Daily traffic averages 800 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 6/9, superstructure at 7/9, substructure at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 47.3 metric tons.

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

How 1124C/ N4418 compares

▲ 14.9
Load rating vs Oklahoma average (32.4 t)
Top 11%
Higher load rating than 89% of Oklahoma bridges
203
Bridges in Cherokee · 22 in Poor condition
1124C/ N4418 47.3 t
Oklahoma average 32.4 t

Live comparison across Oklahoma.

Historical Sufficiency Rating

PlainBridge-computed
99.8 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
14.8
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
7/9
Good (7–9)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
47.3 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1981
Material
Prestressed Concrete
Number of Spans
3
Structure Length
74.1 m (243 ft)
Deck Width
10.6 m (35 ft)
Owner
County Highway Agency
Avg Daily Traffic
800 vehicles/day
Structure Number
199940000000000

Condition Analysis

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

How to read this record

This page shows what the last federal inspection recorded, not whether 1124C/ N4418 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 1124C/ N4418 against other structures in Cherokee 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 1124C/ N4418?

1124C/ N4418 in Cherokee, Oklahoma has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is 1124C/ N4418 inspected?

1124C/ N4418'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 800 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. 1124C/ N4418 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 1124C/ N4418?

1124C/ N4418 has an NBI inventory load rating of 47.3 metric tons.

Who is responsible for maintaining 1124C/ N4418?

1124C/ N4418 is owned and maintained by County Highway Agency.

How old is 1124C/ N4418 and does age affect safety?

1124C/ N4418 was built in 1981, making it 45 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.