FHWA NBI 2024 Inspection record Public-domain dataset

KY-1879

Carrying KY-1879 over LAYSONS BRANCH

1.4 MI N OF JCT US 68, Bourbon, Kentucky

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
97 t Inventory load rating

Bridge Snapshot: KY-1879

The KY-1879 bridge in Bourbon, Kentucky carries KY-1879 over LAYSONS BRANCH. It was built in 1969, making it 57 years old today. The structure is built primarily of steel and spans 2 sections, stretching 16.2 meters (53 feet) end to end. Daily traffic averages 999 vehicles, placing it in the lower-traffic tier of Kentucky bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show culvert at 6/9. 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 97.2 metric tons.

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

How KY-1879 compares

▲ 58.0
Load rating vs Kentucky average (39.2 t)
Top 1%
Higher load rating than 99% of Kentucky bridges
112
Bridges in Bourbon · 3 in Poor condition
KY-1879 97.2 t
Kentucky average 39.2 t

Live comparison across Kentucky.

Historical Sufficiency Rating

PlainBridge-computed
99.2 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
14.2
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 How the historical reference is calculated.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

Culvert
6/9
Fair (5–6)
Inventory Load Rating
97.2 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1969
Material
Steel
Number of Spans
2
Structure Length
16.2 m (53 ft)
Owner
State Highway Agency
Avg Daily Traffic
999 vehicles/day
Structure Number
009B00055N

How to read this record

This page shows what the last federal inspection recorded, not whether KY-1879 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 KY-1879 against other structures in Bourbon 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 KY-1879?

KY-1879 in Bourbon, Kentucky on the FHWA's 0–9 scale.

How often is KY-1879 inspected?

KY-1879'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 999 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. KY-1879 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 KY-1879?

KY-1879 has an NBI inventory load rating of 97.2 metric tons.

Who is responsible for maintaining KY-1879?

KY-1879 is owned and maintained by State Highway Agency.

How old is KY-1879 and does age affect safety?

KY-1879 was built in 1969, making it 57 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.