FHWA NBI 2024 Inspection record Public-domain dataset

KY-225

Carrying KY-225 over CUMBERLAND RIVER

.70 MI S OF JCT KY 930, Knox, Kentucky

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
52 t Inventory load rating

Bridge Snapshot: KY-225

The KY-225 bridge in Knox, Kentucky carries KY-225 over CUMBERLAND RIVER. It was built in 1978, making it 48 years old today. The structure is built primarily of prestressed concrete continuous and spans 7 sections, stretching 154.2 meters (506 feet) end to end. Daily traffic averages 707 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 7/9, substructure at 4/9. 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 52.3 metric tons.

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

How KY-225 compares

▲ 13.1
Load rating vs Kentucky average (39.2 t)
Top 16%
Higher load rating than 84% of Kentucky bridges
127
Bridges in Knox · 10 in Poor condition
KY-225 52.3 t
Kentucky average 39.2 t

Live comparison across Kentucky.

Historical Sufficiency Rating

PlainBridge-computed
66.9 / 100 - historical 50–79.9 band
Structural adequacy /55
30.0
Serviceability /30
22.0
Essentiality /15
14.9
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
7/9
Good (7–9)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
52.3 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1978
Material
Prestressed Concrete Continuous
Number of Spans
7
Structure Length
154.2 m (506 ft)
Deck Width
11.5 m (38 ft)
Owner
State Highway Agency
Avg Daily Traffic
707 vehicles/day
Structure Number
061B00078N

Condition Analysis

  • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • The substructure (piers and abutments) rates poor at 4/9, advanced deterioration that should be prioritized for repair.

How to read this record

KY-225 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-225 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-225?

KY-225 in Knox, Kentucky has a deck rating of 5/9, superstructure rating of 7/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is KY-225 inspected?

KY-225'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 707 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. KY-225 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-225?

KY-225 has an NBI inventory load rating of 52.3 metric tons.

Who is responsible for maintaining KY-225?

KY-225 is owned and maintained by State Highway Agency.

How old is KY-225 and does age affect safety?

KY-225 was built in 1978, making it 48 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.