FHWA NBI 2024 Inspection record Public-domain dataset

DRIVE B from SH 4

Carrying DRIVE B from SH 4 over CREEK

2.4 N OF S.H. 66, Canadian, Oklahoma

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
71 t Inventory load rating Higher than 97% of rated Oklahoma bridges

DRIVE B from SH 4 in Canadian, Oklahoma sits above 97% of rated Oklahoma bridges on inventory load rating (71 t), while its 2020 build year is earlier than 2% of Canadian's recorded-year cohort (493 bridges).

DRIVE B from SH 4 in Canadian, Oklahoma is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2020, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 8. 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:304210000000000

POST-2000 · CONCRETE · MULTI-SPAN · CULVERT-LED · LOCAL-ADT · HEAVY-LOAD · CAT-GOOD

  • POST-2000 2000+
  • CONCRETE Concrete
  • MULTI-SPAN 2 spans
  • CULVERT-LED Culvert-led
  • LOCAL-ADT Local ADT
  • HEAVY-LOAD Heavy 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: DRIVE B from SH 4

The DRIVE B from SH 4 bridge in Canadian, Oklahoma carries DRIVE B from SH 4 over CREEK. It was built in 2020, making it 6 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 6.4 meters (21 feet) end to end. Daily traffic averages 50 vehicles, placing it in the lower-traffic tier of Oklahoma bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show culvert at 8/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range.

How DRIVE B from SH 4 compares

▲ 39.1
Load rating vs Oklahoma average (32.0 t; 22,909 of 22,917 rated)
493
Bridges in Canadian · 17 in Poor condition

Age against the county: built in 2020, earlier than 8 of Canadian's 493 bridges with a recorded construction year (2%), against a county median build year of 1993. This is one of the newer structures in its county.

DRIVE B from SH 4 71.1 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).

DRIVE B from SH 4 vs every rated Oklahoma bridge

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

71 Top 3% higher than 97% 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
8/9
Good (7–9)
Inventory Load Rating
71.1 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Canadian inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 493 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
2020
Material
Concrete
Number of Spans
2
Structure Length
6.4 m (21 ft)
0
Owner
State Highway Agency
Avg Daily Traffic
50 vehicles/day
Structure Number
304210000000000

How to read this record

This page shows what the last federal inspection recorded, not whether DRIVE B from SH 4 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 DRIVE B from SH 4 against other structures in Canadian 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 DRIVE B from SH 4?

DRIVE B from SH 4 in Canadian, Oklahoma on the FHWA's 0–9 scale.

How often is DRIVE B from SH 4 inspected?

DRIVE B from SH 4'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 50 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. DRIVE B from SH 4 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 DRIVE B from SH 4?

DRIVE B from SH 4 has an NBI inventory load rating of 71.1 metric tons.

Who is responsible for maintaining DRIVE B from SH 4?

DRIVE B from SH 4 is owned and maintained by State Highway Agency.

How old is DRIVE B from SH 4 and does age affect safety?

DRIVE B from SH 4 was built in 2020, making it 6 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.