FHWA NBI 2024 Inspection record Public-domain dataset

FAU 3328 343824X

Carrying FAU 3328 343824X over CSX RAILROAD

IN GALLATIN, Sumner, Tennessee

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

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

FAU 3328 343824X in Sumner, Tennessee sits above 14% of rated Tennessee bridges on inventory load rating (24 t), while its 1957 build year is earlier than 82% of Sumner's recorded-year cohort (398 bridges).

FAU 3328 343824X in Sumner, Tennessee is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1957, it carries 3 rated components 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 TN:83M33280001

INTERSTATE-ERA · CONCRETE · MULTI-SPAN · TIED-CTRL · ARTERIAL-ADT · STANDARD-LOAD · CAT-POOR

  • INTERSTATE-ERA 1950–1979
  • CONCRETE Concrete
  • MULTI-SPAN 3 spans
  • TIED-CTRL Tied control
  • ARTERIAL-ADT Arterial ADT
  • STANDARD-LOAD Standard 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: FAU 3328 343824X

The FAU 3328 343824X bridge in Sumner, Tennessee carries FAU 3328 343824X over CSX RAILROAD. It was built in 1957, making it 69 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 30.5 meters (100 feet) end to end. Daily traffic averages 5,029 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 6/9, superstructure at 4/9, substructure at 4/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed.

How FAU 3328 343824X compares

▼ 5.2
Load rating vs Tennessee average (29.5 t; 20,355 of 20,379 rated)
398
Bridges in Sumner · 18 in Poor condition

Age against the county: built in 1957, earlier than 326 of Sumner's 398 bridges with a recorded construction year (82%), against a county median build year of 1982. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

FAU 3328 343824X 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).

FAU 3328 343824X 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
6/9
Fair (5–6)
Superstructure
4/9
Poor (1–4)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
24.3 t
NBI inventory level (metric tons)
Overall Condition
Poor

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.

Sumner inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 398 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
1957
Material
Concrete
Number of Spans
3
Structure Length
30.5 m (100 ft)
Deck Width
9.3 m (31 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
5,029 vehicles/day
Structure Number
83M33280001

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • At 4/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear on file for this vintage.
  • At 4/9, the substructure (piers and abutments) is in poor shape, with advanced wear on file for this vintage.

How to read this record

FAU 3328 343824X 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 FAU 3328 343824X against other structures in Sumner 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 FAU 3328 343824X?

FAU 3328 343824X in Sumner, Tennessee has a deck rating of 6/9, superstructure rating of 4/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is FAU 3328 343824X inspected?

FAU 3328 343824X'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 5,029 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. FAU 3328 343824X 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 FAU 3328 343824X?

FAU 3328 343824X has an NBI inventory load rating of 24.3 metric tons.

Who is responsible for maintaining FAU 3328 343824X?

FAU 3328 343824X is owned and maintained by City/Municipal Highway Agency.

How old is FAU 3328 343824X and does age affect safety?

FAU 3328 343824X was built in 1957, making it 69 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.