FHWA NBI 2024 Inspection record Public-domain dataset

NFA A389

Carrying NFA A389 over ARMS CREEK

1.1 MI SE JCT SR20&SR202, Decatur, Tennessee

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
29 t Inventory load rating

Bridge Snapshot: NFA A389

The NFA A389 bridge in Decatur, Tennessee carries NFA A389 over ARMS CREEK. It was built in 1984, making it 42 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 12.4 meters (41 feet) end to end. Daily traffic averages 130 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 culvert at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 28.8 metric tons.

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

How NFA A389 compares

▼ 0.7
Load rating vs Tennessee average (29.5 t)
Bottom 32%
Lower load rating than 68% of Tennessee bridges
104
Bridges in Decatur · 1 in Poor condition
NFA A389 28.8 t
Tennessee average 29.5 t

Live comparison across Tennessee.

Historical Sufficiency Rating

PlainBridge-computed
84.0 / 100 - historical 80–100 band
Structural adequacy /55
52.8
Serviceability /30
18.3
Essentiality /15
15.0
Special reductions
−2.0

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 How the historical reference is calculated.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
28.8 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1984
Material
Concrete Continuous
Number of Spans
3
Structure Length
12.4 m (41 ft)
Deck Width
7.8 m (26 ft)
Owner
County Highway Agency
Avg Daily Traffic
130 vehicles/day
Structure Number
200A3890001

How to read this record

This page shows what the last federal inspection recorded, not whether NFA A389 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 A389 against other structures in Decatur 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 A389?

NFA A389 in Decatur, Tennessee on the FHWA's 0–9 scale.

How often is NFA A389 inspected?

NFA A389'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 130 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. NFA A389 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 A389?

NFA A389 has an NBI inventory load rating of 28.8 metric tons.

Who is responsible for maintaining NFA A389?

NFA A389 is owned and maintained by County Highway Agency.

How old is NFA A389 and does age affect safety?

NFA A389 was built in 1984, making it 42 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

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.