FHWA NBI 2024 Inspection record Public-domain dataset

KY-229

Carrying KY-229 over BIG RICHLAND CREEK

.05 MI NW OF JCT KY 1803, Knox, Kentucky

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
32 t Inventory load rating

Bridge Snapshot: KY-229

The KY-229 bridge in Knox, Kentucky carries KY-229 over BIG RICHLAND CREEK. It was built in 1950, making it 76 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 34.7 meters (114 feet) end to end. Daily traffic averages 1,177 vehicles, placing it in the moderately-trafficked tier of Kentucky bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 4/9, superstructure at 5/9, substructure at 6/9. 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 31.7 metric tons.

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

How KY-229 compares

▼ 7.5
Load rating vs Kentucky average (39.2 t)
Bottom 29%
Lower load rating than 71% of Kentucky bridges
127
Bridges in Knox · 10 in Poor condition
KY-229 31.7 t
Kentucky average 39.2 t

Live comparison across Kentucky.

Historical Sufficiency Rating

PlainBridge-computed
65.1 / 100 - historical 50–79.9 band
Structural adequacy /55
44.8
Serviceability /30
9.6
Essentiality /15
13.6
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Superstructure
5/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
31.7 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1950
Material
Concrete
Number of Spans
3
Structure Length
34.7 m (114 ft)
Deck Width
8.7 m (29 ft)
Owner
State Highway Agency
Avg Daily Traffic
1,177 vehicles/day
Structure Number
061B00012N

Condition Analysis

  • At 4/9, the deck (driving surface) is in poor shape, with advanced wear flagged for priority repair.
  • The superstructure (beams and supports above the deck) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

KY-229 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 KY-229 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-229?

KY-229 in Knox, Kentucky has a deck rating of 4/9, superstructure rating of 5/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is KY-229 inspected?

KY-229'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 1,177 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. KY-229 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 KY-229?

KY-229 has an NBI inventory load rating of 31.7 metric tons.

Who is responsible for maintaining KY-229?

KY-229 is owned and maintained by State Highway Agency.

How old is KY-229 and does age affect safety?

KY-229 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.