FHWA NBI 2024 Inspection record Public-domain dataset

NFA A595

Carrying NFA A595 over FOURTH CREEK

WEISGARBER RD-N OF LONAS, Knox, Tennessee

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
29 t Inventory load rating Lower than 68% of rated Tennessee bridges

NFA A595 in Knox, Tennessee sits above 32% of rated Tennessee bridges on inventory load rating (29 t), while its 1936 build year is earlier than 90% of Knox's recorded-year cohort (588 bridges).

NFA A595 in Knox, Tennessee is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1936, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 5. The lowest applicable rating sets the federal condition category, so this Fair 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:470A5950001

PRE-1950 · CONCRETE · MULTI-SPAN · CULVERT-LED · ARTERIAL-ADT · STANDARD-LOAD · CAT-FAIR

  • PRE-1950 Pre-1950
  • CONCRETE Concrete
  • MULTI-SPAN 3 spans
  • CULVERT-LED Culvert-led
  • ARTERIAL-ADT Arterial ADT
  • STANDARD-LOAD Standard load
  • CAT-FAIR Fair

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 A595

The NFA A595 bridge in Knox, Tennessee carries NFA A595 over FOURTH CREEK. It was built in 1936, making it 90 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 10.5 meters (34 feet) end to end. Daily traffic averages 1,790 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 culvert at 5/9. The weakest component sits in fair condition. All reported major components score above the Poor range.

How NFA A595 compares

▼ 0.7
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 1936, earlier than 530 of Knox's 588 bridges with a recorded construction year (90%), against a county median build year of 1973. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

NFA A595 28.8 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 A595 vs every rated Tennessee bridge

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

29 Top 68% higher than 32% 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

Culvert
5/9
Fair (5–6)
Inventory Load Rating
28.8 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

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
1936
Material
Concrete Continuous
Number of Spans
3
Structure Length
10.5 m (34 ft)
Deck Width
6.8 m (22 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
1,790 vehicles/day
Structure Number
470A5950001

How to read this record

This page shows what the last federal inspection recorded, not whether NFA A595 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 A595 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 A595?

NFA A595 in Knox, Tennessee on the FHWA's 0–9 scale.

How often is NFA A595 inspected?

NFA A595'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 1,790 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. NFA A595 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 NFA A595?

NFA A595 has an NBI inventory load rating of 28.8 metric tons.

Who is responsible for maintaining NFA A595?

NFA A595 is owned and maintained by City/Municipal Highway Agency.

How old is NFA A595 and does age affect safety?

NFA A595 was built in 1936, making it 90 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.