FHWA NBI 2024 Inspection record Public-domain dataset

NFA A446

Carrying NFA A446 over INDIAN CREEK

OLD HIGHWAY 64 N SR 15, Hardin, Tennessee

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
24 t Inventory load rating Lower than 86% of rated Tennessee bridges

NFA A446 in Hardin, Tennessee sits above 14% of rated Tennessee bridges on inventory load rating (24 t), while its 1930 build year is earlier than 99% of Hardin's recorded-year cohort (192 bridges).

NFA A446 in Hardin, Tennessee is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1930, it carries 3 rated components 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:360A4430001

PRE-1950 · CONCRETE · SINGLE-SPAN · TIED-CTRL · TRACE-ADT · STANDARD-LOAD · CAT-FAIR

  • PRE-1950 Pre-1950
  • CONCRETE Concrete
  • SINGLE-SPAN Single span
  • TIED-CTRL Tied control
  • TRACE-ADT Trace 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 A446

The NFA A446 bridge in Hardin, Tennessee carries NFA A446 over INDIAN CREEK. It was built in 1930, making it 96 years old today. The structure is built primarily of concrete and spans 1 section, stretching 38.4 meters (126 feet) end to end. Daily traffic averages 10 vehicles, placing it in the lower-traffic tier of Tennessee bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 5/9, substructure at 5/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range.

How NFA A446 compares

▼ 5.2
Load rating vs Tennessee average (29.5 t; 20,355 of 20,379 rated)
192
Bridges in Hardin · 7 in Poor condition

Age against the county: built in 1930, earlier than 190 of Hardin's 192 bridges with a recorded construction year (99%), against a county median build year of 1984. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

NFA A446 24.3 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 A446 vs every rated Tennessee bridge

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

24 Top 86% higher than 14% 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
5/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
24.3 t
NBI inventory level (metric tons)
Overall Condition
Fair

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.

Hardin inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 192 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
1930
Material
Concrete
Number of Spans
1
Structure Length
38.4 m (126 ft)
Deck Width
7.2 m (24 ft)
Owner
County Highway Agency
Avg Daily Traffic
10 vehicles/day
Structure Number
360A4430001

Condition Analysis

  • The deck (driving surface) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether NFA A446 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 A446 against other structures in Hardin 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 A446?

NFA A446 in Hardin, Tennessee has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is NFA A446 inspected?

NFA A446'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 10 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. NFA A446 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 A446?

NFA A446 has an NBI inventory load rating of 24.3 metric tons.

Who is responsible for maintaining NFA A446?

NFA A446 is owned and maintained by County Highway Agency.

How old is NFA A446 and does age affect safety?

NFA A446 was built in 1930, making it 96 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.

XFacebookLinkedInWhatsAppEmail

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.