FHWA NBI 2024 Inspection record Public-domain dataset

NFA C334

Carrying NFA C334 over BRANCH

WALKER BLVD-E OF SR33, Knox, Tennessee

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
26 t Inventory load rating Lower than 74% of rated Tennessee bridges

NFA C334 in Knox, Tennessee sits above 26% of rated Tennessee bridges on inventory load rating (26 t), while its 2001 build year is earlier than 15% of Knox's recorded-year cohort (588 bridges).

NFA C334 in Knox, Tennessee is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2001, it carries 3 rated components 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 TN:470C3340003

POST-2000 · PRESTRESS · SINGLE-SPAN · TIED-CTRL · ARTERIAL-ADT · STANDARD-LOAD · CAT-GOOD

  • POST-2000 2000+
  • PRESTRESS Prestressed concrete
  • SINGLE-SPAN Single span
  • TIED-CTRL Tied control
  • ARTERIAL-ADT Arterial 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: NFA C334

The NFA C334 bridge in Knox, Tennessee carries NFA C334 over BRANCH. It was built in 2001, making it 25 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 12.5 meters (41 feet) end to end. Daily traffic averages 2,290 vehicles, placing it in the moderately-trafficked tier of Tennessee bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 8/9, superstructure at 8/9, substructure 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 NFA C334 compares

▼ 3.3
Load rating vs Tennessee average (29.5 t; 20,355 of 20,379 rated)
588
Bridges in Knox · 9 in Poor condition

Age against the county: built in 2001, earlier than 88 of Knox's 588 bridges with a recorded construction year (15%), against a county median build year of 1973. This is one of the newer structures in its county.

NFA C334 26.2 t
Tennessee average (20,355 of 20,379 rated) 29.5 t

Live comparison across Tennessee bridges with a recorded inventory load rating (20,355 of 20,379 rated).

NFA C334 vs every rated Tennessee bridge

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

26 Top 74% higher than 26% of 20,355 bridges

rated Tennessee 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

Deck
8/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
26.2 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.

Knox inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 588 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
2001
Material
Prestressed Concrete
Number of Spans
1
Structure Length
12.5 m (41 ft)
Deck Width
10.8 m (35 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
2,290 vehicles/day
Structure Number
470C3340003

Condition Analysis

  • The deck (driving surface) is in good condition (8/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) is in good condition (8/9), showing no significant deterioration.
  • The substructure (piers and abutments) rates good at 8/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether NFA C334 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 NFA C334 against other structures in Knox and across Tennessee. Tennessee 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 NFA C334?

NFA C334 in Knox, Tennessee has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is NFA C334 inspected?

NFA C334'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 2,290 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. NFA C334 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 NFA C334?

NFA C334 has an NBI inventory load rating of 26.2 metric tons.

Who is responsible for maintaining NFA C334?

NFA C334 is owned and maintained by City/Municipal Highway Agency.

How old is NFA C334 and does age affect safety?

NFA C334 was built in 2001, making it 25 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

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.

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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.