FHWA NBI 2024 Inspection record Public-domain dataset

NFA A336

Carrying NFA A336 over PEMBERTON BRANCH

0.3 MI EAST OF SR266, Wilson, Tennessee

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
25 t Inventory load rating

Bridge Snapshot: NFA A336

The NFA A336 bridge in Wilson, Tennessee carries NFA A336 over PEMBERTON BRANCH. It was built in 1977, making it 49 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 7.0 meters (23 feet) end to end. Daily traffic averages 220 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 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 25.3 metric tons.

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

How NFA A336 compares

▼ 4.2
Load rating vs Tennessee average (29.5 t)
Bottom 25%
Lower load rating than 75% of Tennessee bridges
402
Bridges in Wilson · 29 in Poor condition
NFA A336 25.3 t
Tennessee average 29.5 t

Live comparison across Tennessee.

Historical Sufficiency Rating

PlainBridge-computed
71.7 / 100 - historical 50–79.9 band
Structural adequacy /55
48.8
Serviceability /30
11.0
Essentiality /15
14.8
Special reductions
−3.0

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 How the historical reference is calculated.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
7/9
Good (7–9)
Inventory Load Rating
25.3 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1977
Material
Concrete Continuous
Number of Spans
2
Structure Length
7.0 m (23 ft)
Deck Width
6.5 m (21 ft)
Owner
County Highway Agency
Avg Daily Traffic
220 vehicles/day
Structure Number
950A3360003

How to read this record

This page shows what the last federal inspection recorded, not whether NFA A336 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 A336 against other structures in Wilson 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 A336?

NFA A336 in Wilson, Tennessee on the FHWA's 0–9 scale.

How often is NFA A336 inspected?

NFA A336'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 220 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. NFA A336 is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for NFA A336?

NFA A336 has an NBI inventory load rating of 25.3 metric tons.

Who is responsible for maintaining NFA A336?

NFA A336 is owned and maintained by County Highway Agency.

How old is NFA A336 and does age affect safety?

NFA A336 was built in 1977, making it 49 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.