FHWA NBI 2024 Inspection record Public-domain dataset

NFA K800

Carrying NFA K800 over WOLF RIVER

AUSTIN PEAY HWY.-MEMPHIS, Shelby, Tennessee

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
15 t Inventory load rating

Bridge Snapshot: NFA K800

The NFA K800 bridge in Shelby, Tennessee carries NFA K800 over WOLF RIVER. It was built in 1939, making it 87 years old today. The structure is built primarily of steel and spans 1 section, stretching 248.7 meters (816 feet) end to end. Daily traffic averages 11,202 vehicles, placing it in the heavily-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. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 15.2 metric tons.

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

How NFA K800 compares

▼ 14.3
Load rating vs Tennessee average (29.5 t)
Bottom 3%
Lower load rating than 97% of Tennessee bridges
1,077
Bridges in Shelby · 37 in Poor condition
NFA K800 15.2 t
Tennessee average 29.5 t

Live comparison across Tennessee.

Historical Sufficiency Rating

PlainBridge-computed
10.8 / 100 - historical under-20 band
Structural adequacy /55
6.8
Serviceability /30
4.0
Essentiality /15
0.0
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
15.2 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1939
Material
Steel
Number of Spans
1
Structure Length
248.7 m (816 ft)
Deck Width
18.6 m (61 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
11,202 vehicles/day
Structure Number
79SR0140029

Condition Analysis

  • At 4/9, the deck (driving surface) is in poor shape, with advanced wear flagged for priority repair.
  • At 4/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear flagged for priority repair.
  • The substructure (piers and abutments) rates poor at 4/9, advanced deterioration that should be prioritized for repair.

How to read this record

NFA K800 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 K800 against other structures in Shelby 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 K800?

NFA K800 in Shelby, 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 NFA K800 inspected?

NFA K800'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 11,202 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. NFA K800 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 K800?

NFA K800 has an NBI inventory load rating of 15.2 metric tons.

Who is responsible for maintaining NFA K800?

NFA K800 is owned and maintained by City/Municipal Highway Agency.

How old is NFA K800 and does age affect safety?

NFA K800 was built in 1939, making it 87 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.