FHWA NBI 2024 Inspection record Public-domain dataset

NFA A231

Carrying NFA A231 over MARROWBONE CREEK

2.3 M. NE. SR12., Cheatham, Tennessee

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
21 t Inventory load rating

Bridge Snapshot: NFA A231

The NFA A231 bridge in Cheatham, Tennessee carries NFA A231 over MARROWBONE CREEK. It was built in 1965, making it 61 years old today. The structure is built primarily of prestressed concrete continuous and spans 2 sections, stretching 24.4 meters (80 feet) end to end. Daily traffic averages 110 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 7/9, 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. Its NBI inventory load rating is 20.7 metric tons.

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

How NFA A231 compares

▼ 8.8
Load rating vs Tennessee average (29.5 t)
Bottom 8%
Lower load rating than 92% of Tennessee bridges
128
Bridges in Cheatham · 7 in Poor condition
NFA A231 20.7 t
Tennessee average 29.5 t

Live comparison across Tennessee.

Historical Sufficiency Rating

PlainBridge-computed
47.4 / 100 - historical 20–49.9 band
Structural adequacy /55
17.0
Serviceability /30
25.5
Essentiality /15
12.9
Special reductions
−8.0

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 How the historical reference is calculated.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
7/9
Good (7–9)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
20.7 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1965
Material
Prestressed Concrete Continuous
Number of Spans
2
Structure Length
24.4 m (80 ft)
Deck Width
8.6 m (28 ft)
Owner
County Highway Agency
Avg Daily Traffic
110 vehicles/day
Structure Number
110A2310003

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • The substructure (piers and abutments) rates poor at 4/9, advanced deterioration that should be prioritized for repair.

How to read this record

NFA A231 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 A231 against other structures in Cheatham 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 A231?

NFA A231 in Cheatham, Tennessee has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is NFA A231 inspected?

NFA A231'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 110 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. NFA A231 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 A231?

NFA A231 has an NBI inventory load rating of 20.7 metric tons.

Who is responsible for maintaining NFA A231?

NFA A231 is owned and maintained by County Highway Agency.

How old is NFA A231 and does age affect safety?

NFA A231 was built in 1965, making it 61 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.