FHWA NBI 2024 Inspection record Public-domain dataset

KY-582

Carrying KY-582 over SMITH BRANCH

1.6 MI EAST OF JCT KY 160, Knott, Kentucky

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
20 t Inventory load rating

Bridge Snapshot: KY-582

The KY-582 bridge in Knott, Kentucky carries KY-582 over SMITH BRANCH. It was built in 1949, making it 77 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 6.4 meters (21 feet) end to end. Daily traffic averages 950 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. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 20.0 metric tons.

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

How KY-582 compares

▼ 19.2
Load rating vs Kentucky average (39.2 t)
Bottom 12%
Lower load rating than 88% of Kentucky bridges
134
Bridges in Knott · 17 in Poor condition
KY-582 20.0 t
Kentucky average 39.2 t

Live comparison across Kentucky.

Historical Sufficiency Rating

PlainBridge-computed
61.0 / 100 - historical 50–79.9 band
Structural adequacy /55
40.8
Serviceability /30
10.0
Essentiality /15
13.2
Special reductions
−3.0

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 How the historical reference is calculated.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
20.0 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1949
Material
Concrete
Number of Spans
2
Structure Length
6.4 m (21 ft)
Deck Width
8.8 m (29 ft)
Owner
State Highway Agency
Avg Daily Traffic
950 vehicles/day
Structure Number
060B00028N

How to read this record

This page shows what the last federal inspection recorded, not whether KY-582 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-582 against other structures in Knott 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-582?

KY-582 in Knott, Kentucky on the FHWA's 0–9 scale.

How often is KY-582 inspected?

KY-582'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 950 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. KY-582 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-582?

KY-582 has an NBI inventory load rating of 20.0 metric tons.

Who is responsible for maintaining KY-582?

KY-582 is owned and maintained by State Highway Agency.

How old is KY-582 and does age affect safety?

KY-582 was built in 1949, making it 77 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.