FHWA NBI 2024 Inspection record Public-domain dataset

KY 830

Carrying KY 830 over EAST FORK OF LYNN CAMP C

.75 MI SOU. OF JCT KY 312, Knox, Kentucky

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
49 t Inventory load rating

Bridge Snapshot: KY 830

The KY 830 bridge in Knox, Kentucky carries KY 830 over EAST FORK OF LYNN CAMP C. It was built in 1955, making it 71 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 25.6 meters (84 feet) end to end. Daily traffic averages 595 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 a deck rating of 5/9, superstructure at 6/9, 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 48.8 metric tons.

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

How KY 830 compares

▲ 9.6
Load rating vs Kentucky average (39.2 t)
Top 22%
Higher load rating than 78% of Kentucky bridges
127
Bridges in Knox · 10 in Poor condition
KY 830 48.8 t
Kentucky average 39.2 t

Live comparison across Kentucky.

Historical Sufficiency Rating

PlainBridge-computed
72.1 / 100 - historical 50–79.9 band
Structural adequacy /55
45.0
Serviceability /30
15.2
Essentiality /15
14.9
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 How the historical reference is calculated.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

Deck
5/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
48.8 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1955
Material
Concrete
Number of Spans
3
Structure Length
25.6 m (84 ft)
Deck Width
7.3 m (24 ft)
Owner
State Highway Agency
Avg Daily Traffic
595 vehicles/day
Structure Number
061B00009N

Condition Analysis

  • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) is in fair condition (5/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether KY 830 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 830 against other structures in Knox 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 830?

KY 830 in Knox, Kentucky has a deck rating of 5/9, superstructure rating of 6/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is KY 830 inspected?

KY 830'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 595 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. KY 830 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 830?

KY 830 has an NBI inventory load rating of 48.8 metric tons.

Who is responsible for maintaining KY 830?

KY 830 is owned and maintained by State Highway Agency.

How old is KY 830 and does age affect safety?

KY 830 was built in 1955, making it 71 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.