FHWA NBI 2024 Inspection record Public-domain dataset

Stone Road

Carrying Stone Road over Dry Creek

.9 MI west KY 139, Trigg, Kentucky

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
0 t Inventory load rating

Bridge Snapshot: Stone Road

The Stone Road bridge in Trigg, Kentucky carries Stone Road over Dry Creek. It was built in 1950, making it 76 years old today. The structure is built primarily of steel and spans 1 section, stretching 19.2 meters (63 feet) end to end. Daily traffic averages 835 vehicles, placing it in the lower-traffic tier of Kentucky bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 5/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 0.1 metric tons.

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

How Stone Road compares

▼ 39.1
Load rating vs Kentucky average (39.2 t)
Bottom 1%
Lower load rating than 99% of Kentucky bridges
109
Bridges in Trigg · 10 in Poor condition
Stone Road 0.1 t
Kentucky average 39.2 t

Live comparison across Kentucky.

Historical Sufficiency Rating

PlainBridge-computed
22.0 / 100 - historical 20–49.9 band
Structural adequacy /55
0.0
Serviceability /30
7.0
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
0.1 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1950
Material
Steel
Number of Spans
1
Structure Length
19.2 m (63 ft)
Deck Width
4.0 m (13 ft)
Owner
County Highway Agency
Avg Daily Traffic
835 vehicles/day
Structure Number
111C00042N

Condition Analysis

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

How to read this record

This page shows what the last federal inspection recorded, not whether Stone Road 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 Stone Road against other structures in Trigg and across Kentucky. Kentucky 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 Stone Road?

Stone Road in Trigg, Kentucky has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is Stone Road inspected?

Stone Road'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 835 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. Stone Road 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 Stone Road?

Stone Road has an NBI inventory load rating of 0.1 metric tons.

Who is responsible for maintaining Stone Road?

Stone Road is owned and maintained by County Highway Agency.

How old is Stone Road and does age affect safety?

Stone Road was built in 1950, making it 76 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.