FHWA NBI 2024 Inspection record Public-domain dataset

FAU 3633 841976T

Carrying FAU 3633 841976T over SOUTHERN RAILWAY

IN SODDY-DAISY, Hamilton, Tennessee

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
16 t Inventory load rating Lower than 97% of rated Tennessee bridges

FAU 3633 841976T in Hamilton, Tennessee sits above 3% of rated Tennessee bridges on inventory load rating (16 t), while its 1928 build year is earlier than 97% of Hamilton's recorded-year cohort (464 bridges).

FAU 3633 841976T in Hamilton, Tennessee is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1928, 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:33036330021

PRE-1950 · CONCRETE · LONG-SPAN-RUN · TIED-CTRL · ARTERIAL-ADT · LIGHT-LOAD · CAT-POOR

  • PRE-1950 Pre-1950
  • CONCRETE Concrete
  • LONG-SPAN-RUN 5 spans
  • TIED-CTRL Tied control
  • ARTERIAL-ADT Arterial ADT
  • LIGHT-LOAD Light 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 3633 841976T

The FAU 3633 841976T bridge in Hamilton, Tennessee carries FAU 3633 841976T over SOUTHERN RAILWAY. It was built in 1928, making it 98 years old today. It was last reconstructed in 1961, extending its service life. The structure is built primarily of concrete and spans 5 sections, stretching 54.6 meters (179 feet) end to end. Daily traffic averages 7,960 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 4/9, superstructure at 4/9, substructure at 4/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules.

How FAU 3633 841976T compares

▼ 13.6
Load rating vs Tennessee average (29.5 t; 20,355 of 20,379 rated)
464
Bridges in Hamilton · 29 in Poor condition

Age against the county: built in 1928, earlier than 451 of Hamilton's 464 bridges with a recorded construction year (97%), against a county median build year of 1976. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

FAU 3633 841976T 15.9 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 3633 841976T vs every rated Tennessee bridge

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

16 Top 97% higher than 3% 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
4/9
Poor (1–4)
Superstructure
4/9
Poor (1–4)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
15.9 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.

Hamilton inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 464 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
1928
Last Reconstructed
1961
Material
Concrete
Number of Spans
5
Structure Length
54.6 m (179 ft)
Deck Width
10.5 m (34 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
7,960 vehicles/day
Structure Number
33036330021

Condition Analysis

  • The deck (driving surface) rates poor at 4/9, with advanced deterioration recorded on the latest inspection.
  • The superstructure (beams and supports above the deck) is in poor condition (4/9), showing advanced deterioration on the inspecting agency's 0-9 scale.
  • 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 3633 841976T 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 3633 841976T against other structures in Hamilton 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 3633 841976T?

FAU 3633 841976T in Hamilton, Tennessee has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is FAU 3633 841976T inspected?

FAU 3633 841976T'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 7,960 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. FAU 3633 841976T 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 3633 841976T?

FAU 3633 841976T has an NBI inventory load rating of 15.9 metric tons.

Who is responsible for maintaining FAU 3633 841976T?

FAU 3633 841976T is owned and maintained by City/Municipal Highway Agency.

How old is FAU 3633 841976T and does age affect safety?

FAU 3633 841976T was built in 1928, making it 98 years old and last reconstructed in 1961.

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.