FHWA NBI 2024 Inspection record Public-domain dataset

E1406

Carrying E1406 over JOINTER CREEK

.5 N & 1 E OF CALVIN, Hughes, Oklahoma

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
45 t Inventory load rating Higher than 88% of rated Oklahoma bridges

E1406 in Hughes, Oklahoma sits above 88% of rated Oklahoma bridges on inventory load rating (45 t), while its 1993 build year is earlier than 40% of Hughes's recorded-year cohort (207 bridges).

E1406 in Hughes, Oklahoma is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1993, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. The lowest applicable rating sets the federal condition category, so this Poor 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:234780000000000

LATE-CENTURY · CONCRETE · MULTI-SPAN · CULVERT-LED · LOCAL-ADT · HEAVY-LOAD · CAT-POOR

  • LATE-CENTURY 1980–1999
  • CONCRETE Concrete
  • MULTI-SPAN 3 spans
  • CULVERT-LED Culvert-led
  • LOCAL-ADT Local ADT
  • HEAVY-LOAD Heavy load
  • CAT-POOR Poor

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: E1406

The E1406 bridge in Hughes, Oklahoma carries E1406 over JOINTER CREEK. It was built in 1993, making it 33 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 11.0 meters (36 feet) end to end. Daily traffic averages 200 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 4/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules.

How E1406 compares

▲ 13.4
Load rating vs Oklahoma average (32.0 t; 22,909 of 22,917 rated)
207
Bridges in Hughes · 18 in Poor condition

Age against the county: built in 1993, earlier than 83 of Hughes's 207 bridges with a recorded construction year (40%), against a county median build year of 1987. This is one of the newer structures in its county.

E1406 45.4 t
Oklahoma average (22,909 of 22,917 rated) 32.0 t

Live comparison across Oklahoma bridges with a recorded inventory load rating (22,909 of 22,917 rated).

E1406 vs every rated Oklahoma bridge

Inventory load rating (metric tons), FHWA NBI, this state

45 Top 12% higher than 88% 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

Culvert
4/9
Poor (1–4)
Inventory Load Rating
45.4 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Hughes inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 207 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
1993
Material
Concrete
Number of Spans
3
Structure Length
11.0 m (36 ft)
0
Owner
County Highway Agency
Avg Daily Traffic
200 vehicles/day
Structure Number
234780000000000

How to read this record

E1406 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 E1406 against other structures in Hughes 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 E1406?

E1406 in Hughes, Oklahoma on the FHWA's 0–9 scale.

How often is E1406 inspected?

E1406'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 200 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. E1406 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 E1406?

E1406 has an NBI inventory load rating of 45.4 metric tons.

Who is responsible for maintaining E1406?

E1406 is owned and maintained by County Highway Agency.

How old is E1406 and does age affect safety?

E1406 was built in 1993, making it 33 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

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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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.