FHWA NBI 2024 Inspection record Public-domain dataset

NFA A592

Carrying NFA A592 over CHISHOLM CREEK

2 M.S. SR15-@WAYNE CO. LN, Lawrence, Tennessee

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
16 t Inventory load rating

Bridge Snapshot: NFA A592

The NFA A592 bridge in Lawrence, Tennessee carries NFA A592 over CHISHOLM CREEK. It was built in 1975, making it 51 years old today. The structure is built primarily of steel and spans 1 section, stretching 12.7 meters (42 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 6/9, superstructure at 5/9, substructure at 7/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 16.2 metric tons.

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

How NFA A592 compares

▼ 13.3
Load rating vs Tennessee average (29.5 t)
Bottom 3%
Lower load rating than 97% of Tennessee bridges
211
Bridges in Lawrence · 4 in Poor condition
NFA A592 16.2 t
Tennessee average 29.5 t

Live comparison across Tennessee.

Historical Sufficiency Rating

PlainBridge-computed
65.8 / 100 - historical 50–79.9 band
Structural adequacy /55
23.8
Serviceability /30
27.0
Essentiality /15
15.0
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
7/9
Good (7–9)
Inventory Load Rating
16.2 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1975
Material
Steel
Number of Spans
1
Structure Length
12.7 m (42 ft)
Deck Width
6.0 m (20 ft)
Owner
County Highway Agency
Avg Daily Traffic
50 vehicles/day
Structure Number
500A5920001

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • At 5/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether NFA A592 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 A592 against other structures in Lawrence 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 A592?

NFA A592 in Lawrence, Tennessee has a deck rating of 6/9, superstructure rating of 5/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is NFA A592 inspected?

NFA A592'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 A592 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 A592?

NFA A592 has an NBI inventory load rating of 16.2 metric tons.

Who is responsible for maintaining NFA A592?

NFA A592 is owned and maintained by County Highway Agency.

How old is NFA A592 and does age affect safety?

NFA A592 was built in 1975, making it 51 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.