N4000
Carrying N4000 over CUSSETAH CREEK TRIB.
2.0 E OKM; 1.25 N US62, Okmulgee, Oklahoma
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
N4000 in Okmulgee, Oklahoma sits above 28% of rated Oklahoma bridges on inventory load rating (23 t), while its 2005 build year is earlier than 20% of Okmulgee's recorded-year cohort (310 bridges).
N4000 in Okmulgee, Oklahoma is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2005, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure OK:273420000000000
POST-2000 · CONCRETE · MULTI-SPAN · CULVERT-LED · LOCAL-ADT · STANDARD-LOAD · CAT-GOOD
- POST-2000 2000+
- CONCRETE Concrete
- MULTI-SPAN 3 spans
- CULVERT-LED Culvert-led
- LOCAL-ADT Local ADT
- STANDARD-LOAD Standard load
- CAT-GOOD Good
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: N4000
The N4000 bridge in Okmulgee, Oklahoma carries N4000 over CUSSETAH CREEK TRIB.. It was built in 2005, making it 21 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 14.8 meters (49 feet) end to end. Daily traffic averages 100 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 culvert at 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range.
How N4000 compares
Age against the county: built in 2005, earlier than 61 of Okmulgee's 310 bridges with a recorded construction year (20%), against a county median build year of 1963. This is one of the newer structures in its county.
Live comparison across Oklahoma bridges with a recorded inventory load rating (22,909 of 22,917 rated).
N4000 vs every rated Oklahoma bridge
Inventory load rating (metric tons), FHWA NBI, this state
23 Top 72% higher than 28% of 22,909 bridges
rated Oklahoma bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Okmulgee inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 310 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 2005
- Material
- Concrete
- Number of Spans
- 3
- Structure Length
- 14.8 m (49 ft) 0
- Owner
- County Highway Agency
- Avg Daily Traffic
- 100 vehicles/day
- Structure Number
- 273420000000000
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether N4000 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 N4000 against other structures in Okmulgee 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 N4000?
N4000 in Okmulgee, Oklahoma on the FHWA's 0–9 scale.
How often is N4000 inspected?
N4000'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 100 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. N4000 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 N4000?
N4000 has an NBI inventory load rating of 22.5 metric tons.
Who is responsible for maintaining N4000?
N4000 is owned and maintained by County Highway Agency.
How old is N4000 and does age affect safety?
N4000 was built in 2005, making it 21 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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.