FHWA NBI 2024 Inspection record Public-domain dataset

FAU 33

Carrying FAU 33 over KNOB CREEK

1 M S OF SR168, Knox, Tennessee

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
32 t Inventory load rating

Bridge Snapshot: FAU 33

The FAU 33 bridge in Knox, Tennessee carries FAU 33 over KNOB CREEK. It was built in 1926, making it 100 years old today. It was last reconstructed in 1967, extending its service life. The structure is built primarily of concrete continuous and spans 2 sections, stretching 7.0 meters (23 feet) end to end. Daily traffic averages 5,874 vehicles, placing it in the moderately-trafficked tier of Tennessee bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show culvert at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 32.4 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How FAU 33 compares

▲ 2.9
Load rating vs Tennessee average (29.5 t)
Bottom 39%
Lower load rating than 61% of Tennessee bridges
588
Bridges in Knox · 3 in Poor condition
FAU 33 32.4 t
Tennessee average 29.5 t

Live comparison across Tennessee.

Historical Sufficiency Rating

PlainBridge-computed
82.9 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
0.0
Special reductions
−2.1

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

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

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

Structural Details

Year Built
1926
Last Reconstructed
1967
Material
Concrete Continuous
Number of Spans
2
Structure Length
7.0 m (23 ft)
Owner
State Highway Agency
Avg Daily Traffic
5,874 vehicles/day
Structure Number
47SR0330003

How to read this record

This page shows what the last federal inspection recorded, not whether FAU 33 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 FAU 33 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 FAU 33?

FAU 33 in Knox, Tennessee on the FHWA's 0–9 scale.

How often is FAU 33 inspected?

FAU 33'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 5,874 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. FAU 33 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 FAU 33?

FAU 33 has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining FAU 33?

FAU 33 is owned and maintained by State Highway Agency.

How old is FAU 33 and does age affect safety?

FAU 33 was built in 1926, making it 100 years old and last reconstructed in 1967.

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

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.