FHWA NBI 2024 Inspection record Public-domain dataset

NFA A316

Carrying NFA A316 over OVERFLOW

5 MI. W. OF HAYWOOD CO., Lauderdale, Tennessee

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor

Bridge Snapshot: NFA A316

The NFA A316 bridge in Lauderdale, Tennessee carries NFA A316 over OVERFLOW. It was built in 1973, making it 53 years old today. The structure is built primarily of wood or timber and spans 2 sections, stretching 9.1 meters (30 feet) end to end. Daily traffic averages 50 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 a deck rating of 4/9, superstructure at 6/9, substructure at 4/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order.

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

How NFA A316 compares

258
Bridges in Lauderdale · 17 in Poor condition

Live comparison across Tennessee.

Historical Sufficiency Rating

PlainBridge-computed
37.9 / 100 - historical 20–49.9 band
Structural adequacy /55
0.0
Serviceability /30
23.0
Essentiality /15
14.9
Special reductions
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 How the historical reference is calculated.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

Deck
4/9
Poor (1–4)
Superstructure
6/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Overall Condition
Poor

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

Structural Details

Year Built
1973
Material
Wood or Timber
Number of Spans
2
Structure Length
9.1 m (30 ft)
Deck Width
8.0 m (26 ft)
Owner
County Highway Agency
Avg Daily Traffic
50 vehicles/day
Structure Number
490A3160007

Condition Analysis

  • The deck (driving surface) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
  • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) is in poor condition (4/9), showing advanced deterioration that may require priority repair.

How to read this record

NFA A316 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 NFA A316 against other structures in Lauderdale 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 A316?

NFA A316 in Lauderdale, Tennessee has a deck rating of 4/9, superstructure rating of 6/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is NFA A316 inspected?

NFA A316'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 50 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. NFA A316 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 NFA A316?

An inventory load rating is not recorded for NFA A316.

Who is responsible for maintaining NFA A316?

NFA A316 is owned and maintained by County Highway Agency.

How old is NFA A316 and does age affect safety?

NFA A316 was built in 1973, making it 53 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.